./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.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_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/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_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/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_1c956e33-f4d9-4b4f-968d-6143306a2e51/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 cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 --- 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 15:46:45,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:46:45,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:46:45,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:46:45,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:46:45,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:46:45,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:46:45,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:46:45,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:46:45,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:46:45,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:46:45,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:46:45,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:46:45,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:46:45,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:46:45,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:46:45,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:46:45,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:46:45,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:46:45,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:46:45,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:46:45,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:46:45,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:46:45,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:46:45,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:46:45,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:46:45,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:46:45,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:46:45,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:46:45,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:46:45,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:46:45,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:46:45,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:46:45,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:46:45,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:46:45,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:46:45,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:46:45,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:46:45,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:46:45,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:46:45,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:46:45,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 15:46:45,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:46:45,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:46:45,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:46:45,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:46:45,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:46:45,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:46:45,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:46:45,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:46:45,214 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:46:45,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:46:45,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:46:45,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:46:45,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:46:45,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:46:45,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:46:45,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:46:45,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:46:45,218 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:46:45,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:46:45,218 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:46:45,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:46:45,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:46:45,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:46:45,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:46:45,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:46:45,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:46:45,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:46:45,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:46:45,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:46:45,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:46:45,221 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:46:45,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:46:45,222 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:46:45,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:46:45,222 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_1c956e33-f4d9-4b4f-968d-6143306a2e51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 [2022-11-25 15:46:45,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:46:45,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:46:45,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:46:45,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:46:45,625 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:46:45,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-11-25 15:46:48,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:46:49,175 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:46:49,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-11-25 15:46:49,196 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/data/073900b3d/b0113bb3a4394115bb1d6ec3303915b1/FLAG8775febf3 [2022-11-25 15:46:49,321 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/data/073900b3d/b0113bb3a4394115bb1d6ec3303915b1 [2022-11-25 15:46:49,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:46:49,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:46:49,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:46:49,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:46:49,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:46:49,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:46:49" (1/1) ... [2022-11-25 15:46:49,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150ca90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:49, skipping insertion in model container [2022-11-25 15:46:49,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:46:49" (1/1) ... [2022-11-25 15:46:49,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:46:49,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:46:50,096 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_1c956e33-f4d9-4b4f-968d-6143306a2e51/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-11-25 15:46:50,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:46:50,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:46:50,414 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_1c956e33-f4d9-4b4f-968d-6143306a2e51/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-11-25 15:46:50,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:46:50,458 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:46:50,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50 WrapperNode [2022-11-25 15:46:50,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:46:50,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:46:50,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:46:50,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:46:50,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,724 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-25 15:46:50,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:46:50,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:46:50,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:46:50,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:46:50,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:46:50,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:46:50,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:46:50,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:46:50,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (1/1) ... [2022-11-25 15:46:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:46:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:46:50,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:46:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:46:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:46:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:46:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:46:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:46:51,097 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:46:51,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:46:53,364 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:46:53,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:46:53,389 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:46:53,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:53 BoogieIcfgContainer [2022-11-25 15:46:53,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:46:53,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:46:53,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:46:53,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:46:53,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:46:49" (1/3) ... [2022-11-25 15:46:53,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bb985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:46:53, skipping insertion in model container [2022-11-25 15:46:53,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:50" (2/3) ... [2022-11-25 15:46:53,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bb985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:46:53, skipping insertion in model container [2022-11-25 15:46:53,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:53" (3/3) ... [2022-11-25 15:46:53,401 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label08.c [2022-11-25 15:46:53,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:46:53,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:46:53,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:46:53,486 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;@5252a1c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:46:53,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:46:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:46:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-25 15:46:53,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:46:53,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:46:53,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:46:53,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:46:53,515 INFO L85 PathProgramCache]: Analyzing trace with hash -576261461, now seen corresponding path program 1 times [2022-11-25 15:46:53,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:46:53,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411000430] [2022-11-25 15:46:53,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:46:53,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:46:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:46:54,611 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 15:46:54,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:46:54,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411000430] [2022-11-25 15:46:54,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411000430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:46:54,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:46:54,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:46:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461327122] [2022-11-25 15:46:54,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:46:54,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:46:54,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:46:54,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:46:54,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:54,676 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 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 15:46:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:46:55,960 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2022-11-25 15:46:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:46:55,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2022-11-25 15:46:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:46:55,984 INFO L225 Difference]: With dead ends: 824 [2022-11-25 15:46:55,984 INFO L226 Difference]: Without dead ends: 445 [2022-11-25 15:46:55,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:55,992 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 73 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:46:55,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 247 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 15:46:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-11-25 15:46:56,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2022-11-25 15:46:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.417607223476298) internal successors, (628), 443 states have internal predecessors, (628), 0 states have call successors, (0), 0 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 15:46:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 628 transitions. [2022-11-25 15:46:56,062 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 628 transitions. Word has length 157 [2022-11-25 15:46:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:46:56,064 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 628 transitions. [2022-11-25 15:46:56,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 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 15:46:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 628 transitions. [2022-11-25 15:46:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 15:46:56,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:46:56,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:46:56,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:46:56,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:46:56,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:46:56,070 INFO L85 PathProgramCache]: Analyzing trace with hash 933680492, now seen corresponding path program 1 times [2022-11-25 15:46:56,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:46:56,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966022420] [2022-11-25 15:46:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:46:56,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:46:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:46:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:46:56,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:46:56,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966022420] [2022-11-25 15:46:56,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966022420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:46:56,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:46:56,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:46:56,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167548265] [2022-11-25 15:46:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:46:56,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:46:56,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:46:56,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:46:56,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:56,385 INFO L87 Difference]: Start difference. First operand 444 states and 628 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 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 15:46:57,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:46:57,622 INFO L93 Difference]: Finished difference Result 1313 states and 1864 transitions. [2022-11-25 15:46:57,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:46:57,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2022-11-25 15:46:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:46:57,633 INFO L225 Difference]: With dead ends: 1313 [2022-11-25 15:46:57,633 INFO L226 Difference]: Without dead ends: 871 [2022-11-25 15:46:57,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:57,636 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:46:57,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 15:46:57,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-11-25 15:46:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 857. [2022-11-25 15:46:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.3843457943925233) internal successors, (1185), 856 states have internal predecessors, (1185), 0 states have call successors, (0), 0 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 15:46:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1185 transitions. [2022-11-25 15:46:57,679 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1185 transitions. Word has length 165 [2022-11-25 15:46:57,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:46:57,680 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1185 transitions. [2022-11-25 15:46:57,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 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 15:46:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1185 transitions. [2022-11-25 15:46:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-25 15:46:57,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:46:57,686 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:46:57,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:46:57,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:46:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:46:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1802100129, now seen corresponding path program 1 times [2022-11-25 15:46:57,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:46:57,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060221044] [2022-11-25 15:46:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:46:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:46:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:46:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 15:46:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:46:57,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060221044] [2022-11-25 15:46:57,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060221044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:46:57,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:46:57,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:46:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528179106] [2022-11-25 15:46:57,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:46:57,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:46:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:46:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:46:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:57,985 INFO L87 Difference]: Start difference. First operand 857 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 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 15:46:59,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:46:59,119 INFO L93 Difference]: Finished difference Result 2130 states and 3052 transitions. [2022-11-25 15:46:59,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:46:59,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-11-25 15:46:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:46:59,126 INFO L225 Difference]: With dead ends: 2130 [2022-11-25 15:46:59,126 INFO L226 Difference]: Without dead ends: 1275 [2022-11-25 15:46:59,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:59,130 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 121 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:46:59,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 346 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:46:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-25 15:46:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1273. [2022-11-25 15:46:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1272 states have (on average 1.395440251572327) internal successors, (1775), 1272 states have internal predecessors, (1775), 0 states have call successors, (0), 0 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 15:46:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1775 transitions. [2022-11-25 15:46:59,169 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1775 transitions. Word has length 172 [2022-11-25 15:46:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:46:59,170 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1775 transitions. [2022-11-25 15:46:59,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 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 15:46:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1775 transitions. [2022-11-25 15:46:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-25 15:46:59,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:46:59,176 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:46:59,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:46:59,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:46:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:46:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash 549135955, now seen corresponding path program 1 times [2022-11-25 15:46:59,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:46:59,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669891079] [2022-11-25 15:46:59,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:46:59,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:46:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:46:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 15:46:59,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:46:59,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669891079] [2022-11-25 15:46:59,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669891079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:46:59,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:46:59,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:46:59,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313210827] [2022-11-25 15:46:59,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:46:59,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:46:59,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:46:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:46:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:46:59,553 INFO L87 Difference]: Start difference. First operand 1273 states and 1775 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:00,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:00,735 INFO L93 Difference]: Finished difference Result 3774 states and 5271 transitions. [2022-11-25 15:47:00,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:00,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2022-11-25 15:47:00,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:00,746 INFO L225 Difference]: With dead ends: 3774 [2022-11-25 15:47:00,746 INFO L226 Difference]: Without dead ends: 2503 [2022-11-25 15:47:00,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:00,750 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:00,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 365 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:47:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-25 15:47:00,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2499. [2022-11-25 15:47:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2498 states have (on average 1.3062449959967974) internal successors, (3263), 2498 states have internal predecessors, (3263), 0 states have call successors, (0), 0 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 15:47:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3263 transitions. [2022-11-25 15:47:00,818 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3263 transitions. Word has length 178 [2022-11-25 15:47:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:00,819 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 3263 transitions. [2022-11-25 15:47:00,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3263 transitions. [2022-11-25 15:47:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 15:47:00,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:00,826 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:00,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:47:00,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1011238727, now seen corresponding path program 1 times [2022-11-25 15:47:00,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:00,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46243144] [2022-11-25 15:47:00,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 15:47:01,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:01,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46243144] [2022-11-25 15:47:01,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46243144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:01,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:01,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:01,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441494001] [2022-11-25 15:47:01,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:01,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:01,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:01,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:01,356 INFO L87 Difference]: Start difference. First operand 2499 states and 3263 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 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 15:47:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:02,521 INFO L93 Difference]: Finished difference Result 5818 states and 7631 transitions. [2022-11-25 15:47:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:02,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2022-11-25 15:47:02,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:02,533 INFO L225 Difference]: With dead ends: 5818 [2022-11-25 15:47:02,534 INFO L226 Difference]: Without dead ends: 3321 [2022-11-25 15:47:02,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:02,538 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:02,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:47:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2022-11-25 15:47:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3312. [2022-11-25 15:47:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 1.266384778012685) internal successors, (4193), 3311 states have internal predecessors, (4193), 0 states have call successors, (0), 0 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 15:47:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4193 transitions. [2022-11-25 15:47:02,624 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4193 transitions. Word has length 185 [2022-11-25 15:47:02,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:02,625 INFO L495 AbstractCegarLoop]: Abstraction has 3312 states and 4193 transitions. [2022-11-25 15:47:02,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 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 15:47:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4193 transitions. [2022-11-25 15:47:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-25 15:47:02,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:02,633 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:02,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:47:02,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:02,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1412304688, now seen corresponding path program 1 times [2022-11-25 15:47:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:02,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918823024] [2022-11-25 15:47:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:47:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:03,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918823024] [2022-11-25 15:47:03,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918823024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:03,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:03,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943505459] [2022-11-25 15:47:03,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:03,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:03,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:03,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:03,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:03,134 INFO L87 Difference]: Start difference. First operand 3312 states and 4193 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 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 15:47:04,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:04,353 INFO L93 Difference]: Finished difference Result 8881 states and 11393 transitions. [2022-11-25 15:47:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:04,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2022-11-25 15:47:04,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:04,374 INFO L225 Difference]: With dead ends: 8881 [2022-11-25 15:47:04,374 INFO L226 Difference]: Without dead ends: 5571 [2022-11-25 15:47:04,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:04,380 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:04,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 238 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:47:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-11-25 15:47:04,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5551. [2022-11-25 15:47:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 1.2855855855855856) internal successors, (7135), 5550 states have internal predecessors, (7135), 0 states have call successors, (0), 0 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 15:47:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 7135 transitions. [2022-11-25 15:47:04,506 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 7135 transitions. Word has length 200 [2022-11-25 15:47:04,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:04,506 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 7135 transitions. [2022-11-25 15:47:04,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 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 15:47:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 7135 transitions. [2022-11-25 15:47:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 15:47:04,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:04,515 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:04,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 15:47:04,516 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:04,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash -174676994, now seen corresponding path program 1 times [2022-11-25 15:47:04,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:04,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703567287] [2022-11-25 15:47:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:04,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:04,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:04,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703567287] [2022-11-25 15:47:04,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703567287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:04,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:04,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:04,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104537214] [2022-11-25 15:47:04,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:04,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:47:04,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:04,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:47:04,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:04,968 INFO L87 Difference]: Start difference. First operand 5551 states and 7135 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 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 15:47:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:06,660 INFO L93 Difference]: Finished difference Result 10714 states and 13855 transitions. [2022-11-25 15:47:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:47:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2022-11-25 15:47:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:06,678 INFO L225 Difference]: With dead ends: 10714 [2022-11-25 15:47:06,678 INFO L226 Difference]: Without dead ends: 5571 [2022-11-25 15:47:06,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:06,687 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 448 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:06,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 122 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 15:47:06,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-11-25 15:47:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5348. [2022-11-25 15:47:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 5347 states have (on average 1.2870768655320741) internal successors, (6882), 5347 states have internal predecessors, (6882), 0 states have call successors, (0), 0 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 15:47:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 6882 transitions. [2022-11-25 15:47:06,808 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 6882 transitions. Word has length 201 [2022-11-25 15:47:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:06,808 INFO L495 AbstractCegarLoop]: Abstraction has 5348 states and 6882 transitions. [2022-11-25 15:47:06,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 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 15:47:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 6882 transitions. [2022-11-25 15:47:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-25 15:47:06,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:06,817 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:06,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 15:47:06,818 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:06,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2108065721, now seen corresponding path program 1 times [2022-11-25 15:47:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:06,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561902575] [2022-11-25 15:47:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 15:47:07,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:07,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561902575] [2022-11-25 15:47:07,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561902575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:07,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:07,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900964928] [2022-11-25 15:47:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:07,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:07,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:07,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:07,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:07,336 INFO L87 Difference]: Start difference. First operand 5348 states and 6882 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 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 15:47:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:08,392 INFO L93 Difference]: Finished difference Result 14174 states and 18487 transitions. [2022-11-25 15:47:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:08,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-11-25 15:47:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:08,440 INFO L225 Difference]: With dead ends: 14174 [2022-11-25 15:47:08,440 INFO L226 Difference]: Without dead ends: 9234 [2022-11-25 15:47:08,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:08,448 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 217 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:08,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 167 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 15:47:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2022-11-25 15:47:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9226. [2022-11-25 15:47:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9225 states have (on average 1.2719783197831978) internal successors, (11734), 9225 states have internal predecessors, (11734), 0 states have call successors, (0), 0 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 15:47:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 11734 transitions. [2022-11-25 15:47:08,703 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 11734 transitions. Word has length 204 [2022-11-25 15:47:08,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:08,703 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 11734 transitions. [2022-11-25 15:47:08,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 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 15:47:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 11734 transitions. [2022-11-25 15:47:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-25 15:47:08,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:08,716 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:08,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 15:47:08,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash 338982323, now seen corresponding path program 1 times [2022-11-25 15:47:08,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:08,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186414423] [2022-11-25 15:47:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:47:09,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:09,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186414423] [2022-11-25 15:47:09,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186414423] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:09,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271811642] [2022-11-25 15:47:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:09,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:09,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:47:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:09,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:47:09,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 15:47:09,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:09,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271811642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:09,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:09,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 15:47:09,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796018253] [2022-11-25 15:47:09,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:09,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:09,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:09,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:09,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:09,760 INFO L87 Difference]: Start difference. First operand 9226 states and 11734 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:10,868 INFO L93 Difference]: Finished difference Result 18272 states and 23294 transitions. [2022-11-25 15:47:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:10,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2022-11-25 15:47:10,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:10,901 INFO L225 Difference]: With dead ends: 18272 [2022-11-25 15:47:10,901 INFO L226 Difference]: Without dead ends: 9048 [2022-11-25 15:47:10,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:10,913 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 81 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:10,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 350 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 15:47:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9048 states. [2022-11-25 15:47:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9048 to 9023. [2022-11-25 15:47:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9023 states, 9022 states have (on average 1.262912879627577) internal successors, (11394), 9022 states have internal predecessors, (11394), 0 states have call successors, (0), 0 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 15:47:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9023 states to 9023 states and 11394 transitions. [2022-11-25 15:47:11,158 INFO L78 Accepts]: Start accepts. Automaton has 9023 states and 11394 transitions. Word has length 208 [2022-11-25 15:47:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:11,159 INFO L495 AbstractCegarLoop]: Abstraction has 9023 states and 11394 transitions. [2022-11-25 15:47:11,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 9023 states and 11394 transitions. [2022-11-25 15:47:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-25 15:47:11,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:11,175 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:11,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 15:47:11,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:11,382 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:11,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:11,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1274347428, now seen corresponding path program 1 times [2022-11-25 15:47:11,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:11,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569058329] [2022-11-25 15:47:11,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:11,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 15:47:11,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:11,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569058329] [2022-11-25 15:47:11,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569058329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:11,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898423202] [2022-11-25 15:47:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:11,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:11,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:11,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:11,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:47:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:12,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:47:12,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 15:47:12,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:12,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898423202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:12,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:12,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-25 15:47:12,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269917756] [2022-11-25 15:47:12,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:12,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:12,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:12,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:12,385 INFO L87 Difference]: Start difference. First operand 9023 states and 11394 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:13,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:13,002 INFO L93 Difference]: Finished difference Result 17391 states and 22071 transitions. [2022-11-25 15:47:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:13,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-11-25 15:47:13,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:13,021 INFO L225 Difference]: With dead ends: 17391 [2022-11-25 15:47:13,022 INFO L226 Difference]: Without dead ends: 8776 [2022-11-25 15:47:13,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:13,033 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:13,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 15:47:13,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8776 states. [2022-11-25 15:47:13,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8776 to 8776. [2022-11-25 15:47:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8776 states, 8775 states have (on average 1.2361253561253562) internal successors, (10847), 8775 states have internal predecessors, (10847), 0 states have call successors, (0), 0 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 15:47:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8776 states to 8776 states and 10847 transitions. [2022-11-25 15:47:13,254 INFO L78 Accepts]: Start accepts. Automaton has 8776 states and 10847 transitions. Word has length 242 [2022-11-25 15:47:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:13,254 INFO L495 AbstractCegarLoop]: Abstraction has 8776 states and 10847 transitions. [2022-11-25 15:47:13,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8776 states and 10847 transitions. [2022-11-25 15:47:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-25 15:47:13,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:13,269 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:13,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:47:13,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:13,476 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1060980689, now seen corresponding path program 1 times [2022-11-25 15:47:13,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:13,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178121716] [2022-11-25 15:47:13,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:13,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-25 15:47:13,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:13,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178121716] [2022-11-25 15:47:13,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178121716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:13,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:13,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:13,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760881175] [2022-11-25 15:47:13,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:13,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:47:13,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:13,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:47:13,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:13,924 INFO L87 Difference]: Start difference. First operand 8776 states and 10847 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 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 15:47:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:15,141 INFO L93 Difference]: Finished difference Result 22219 states and 27711 transitions. [2022-11-25 15:47:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:47:15,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-11-25 15:47:15,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:15,170 INFO L225 Difference]: With dead ends: 22219 [2022-11-25 15:47:15,170 INFO L226 Difference]: Without dead ends: 13851 [2022-11-25 15:47:15,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:15,182 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 450 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:15,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 55 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:47:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2022-11-25 15:47:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 13445. [2022-11-25 15:47:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 13444 states have (on average 1.1928741445998214) internal successors, (16037), 13444 states have internal predecessors, (16037), 0 states have call successors, (0), 0 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 15:47:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 16037 transitions. [2022-11-25 15:47:15,436 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 16037 transitions. Word has length 247 [2022-11-25 15:47:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:15,437 INFO L495 AbstractCegarLoop]: Abstraction has 13445 states and 16037 transitions. [2022-11-25 15:47:15,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 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 15:47:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 16037 transitions. [2022-11-25 15:47:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-25 15:47:15,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:15,459 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 15:47:15,460 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash -892888228, now seen corresponding path program 1 times [2022-11-25 15:47:15,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:15,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390496411] [2022-11-25 15:47:15,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:15,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-25 15:47:16,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:16,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390496411] [2022-11-25 15:47:16,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390496411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:16,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:16,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:16,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561899252] [2022-11-25 15:47:16,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:16,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:16,005 INFO L87 Difference]: Start difference. First operand 13445 states and 16037 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:17,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:17,059 INFO L93 Difference]: Finished difference Result 35644 states and 42941 transitions. [2022-11-25 15:47:17,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:17,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2022-11-25 15:47:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:17,110 INFO L225 Difference]: With dead ends: 35644 [2022-11-25 15:47:17,111 INFO L226 Difference]: Without dead ends: 22810 [2022-11-25 15:47:17,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:17,127 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 226 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:17,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 111 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22810 states. [2022-11-25 15:47:17,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22810 to 22807. [2022-11-25 15:47:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22807 states, 22806 states have (on average 1.1956941155836183) internal successors, (27269), 22806 states have internal predecessors, (27269), 0 states have call successors, (0), 0 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 15:47:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22807 states to 22807 states and 27269 transitions. [2022-11-25 15:47:17,618 INFO L78 Accepts]: Start accepts. Automaton has 22807 states and 27269 transitions. Word has length 255 [2022-11-25 15:47:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:17,618 INFO L495 AbstractCegarLoop]: Abstraction has 22807 states and 27269 transitions. [2022-11-25 15:47:17,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 22807 states and 27269 transitions. [2022-11-25 15:47:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-25 15:47:17,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:17,646 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:17,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 15:47:17,647 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:17,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1106386329, now seen corresponding path program 1 times [2022-11-25 15:47:17,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:17,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235651162] [2022-11-25 15:47:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-25 15:47:18,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:18,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235651162] [2022-11-25 15:47:18,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235651162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:18,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:18,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:18,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121072027] [2022-11-25 15:47:18,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:18,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:18,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:18,183 INFO L87 Difference]: Start difference. First operand 22807 states and 27269 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:19,140 INFO L93 Difference]: Finished difference Result 36250 states and 43285 transitions. [2022-11-25 15:47:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2022-11-25 15:47:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:19,179 INFO L225 Difference]: With dead ends: 36250 [2022-11-25 15:47:19,180 INFO L226 Difference]: Without dead ends: 23822 [2022-11-25 15:47:19,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:19,192 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 161 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:19,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 360 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 15:47:19,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23822 states. [2022-11-25 15:47:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23822 to 23822. [2022-11-25 15:47:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23822 states, 23821 states have (on average 1.1860543218168842) internal successors, (28253), 23821 states have internal predecessors, (28253), 0 states have call successors, (0), 0 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 15:47:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23822 states to 23822 states and 28253 transitions. [2022-11-25 15:47:19,576 INFO L78 Accepts]: Start accepts. Automaton has 23822 states and 28253 transitions. Word has length 261 [2022-11-25 15:47:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:19,576 INFO L495 AbstractCegarLoop]: Abstraction has 23822 states and 28253 transitions. [2022-11-25 15:47:19,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 23822 states and 28253 transitions. [2022-11-25 15:47:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-25 15:47:19,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:19,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:19,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 15:47:19,603 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:19,604 INFO L85 PathProgramCache]: Analyzing trace with hash 609352996, now seen corresponding path program 1 times [2022-11-25 15:47:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:19,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082373656] [2022-11-25 15:47:19,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-25 15:47:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:19,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082373656] [2022-11-25 15:47:19,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082373656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:19,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:19,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:19,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167341239] [2022-11-25 15:47:19,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:19,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:19,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:19,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:19,965 INFO L87 Difference]: Start difference. First operand 23822 states and 28253 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:21,104 INFO L93 Difference]: Finished difference Result 52514 states and 62881 transitions. [2022-11-25 15:47:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:21,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-11-25 15:47:21,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:21,164 INFO L225 Difference]: With dead ends: 52514 [2022-11-25 15:47:21,164 INFO L226 Difference]: Without dead ends: 30318 [2022-11-25 15:47:21,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:21,181 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:21,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 151 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30318 states. [2022-11-25 15:47:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30318 to 30318. [2022-11-25 15:47:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30318 states, 30317 states have (on average 1.1489923145429957) internal successors, (34834), 30317 states have internal predecessors, (34834), 0 states have call successors, (0), 0 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 15:47:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 34834 transitions. [2022-11-25 15:47:21,773 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 34834 transitions. Word has length 271 [2022-11-25 15:47:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:21,773 INFO L495 AbstractCegarLoop]: Abstraction has 30318 states and 34834 transitions. [2022-11-25 15:47:21,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 34834 transitions. [2022-11-25 15:47:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-25 15:47:21,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:21,796 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:21,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 15:47:21,796 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:21,797 INFO L85 PathProgramCache]: Analyzing trace with hash -614942145, now seen corresponding path program 1 times [2022-11-25 15:47:21,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:21,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182736699] [2022-11-25 15:47:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:21,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-25 15:47:22,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:22,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182736699] [2022-11-25 15:47:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182736699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:22,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:22,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:22,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41199278] [2022-11-25 15:47:22,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:22,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:22,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:22,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:22,237 INFO L87 Difference]: Start difference. First operand 30318 states and 34834 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 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 15:47:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:23,408 INFO L93 Difference]: Finished difference Result 54341 states and 62556 transitions. [2022-11-25 15:47:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:23,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2022-11-25 15:47:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:23,456 INFO L225 Difference]: With dead ends: 54341 [2022-11-25 15:47:23,457 INFO L226 Difference]: Without dead ends: 36838 [2022-11-25 15:47:23,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:23,473 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 160 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:23,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 179 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36838 states. [2022-11-25 15:47:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36838 to 33781. [2022-11-25 15:47:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33781 states, 33780 states have (on average 1.159650680876258) internal successors, (39173), 33780 states have internal predecessors, (39173), 0 states have call successors, (0), 0 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 15:47:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33781 states to 33781 states and 39173 transitions. [2022-11-25 15:47:24,217 INFO L78 Accepts]: Start accepts. Automaton has 33781 states and 39173 transitions. Word has length 278 [2022-11-25 15:47:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:24,218 INFO L495 AbstractCegarLoop]: Abstraction has 33781 states and 39173 transitions. [2022-11-25 15:47:24,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 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 15:47:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33781 states and 39173 transitions. [2022-11-25 15:47:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-25 15:47:24,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:24,251 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:24,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 15:47:24,251 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:24,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:24,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1402650254, now seen corresponding path program 1 times [2022-11-25 15:47:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:24,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410230834] [2022-11-25 15:47:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:24,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-25 15:47:24,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:24,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410230834] [2022-11-25 15:47:24,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410230834] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:24,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094937521] [2022-11-25 15:47:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:24,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:24,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:24,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:47:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:47:25,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-25 15:47:25,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:25,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094937521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:25,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:25,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 15:47:25,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298347808] [2022-11-25 15:47:25,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:25,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:25,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:25,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:25,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:25,672 INFO L87 Difference]: Start difference. First operand 33781 states and 39173 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 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 15:47:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:26,822 INFO L93 Difference]: Finished difference Result 73076 states and 85096 transitions. [2022-11-25 15:47:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-11-25 15:47:26,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:26,865 INFO L225 Difference]: With dead ends: 73076 [2022-11-25 15:47:26,865 INFO L226 Difference]: Without dead ends: 41327 [2022-11-25 15:47:26,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:26,885 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 100 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:26,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 91 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41327 states. [2022-11-25 15:47:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41327 to 39894. [2022-11-25 15:47:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39894 states, 39893 states have (on average 1.1409019126162485) internal successors, (45514), 39893 states have internal predecessors, (45514), 0 states have call successors, (0), 0 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 15:47:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39894 states to 39894 states and 45514 transitions. [2022-11-25 15:47:27,804 INFO L78 Accepts]: Start accepts. Automaton has 39894 states and 45514 transitions. Word has length 283 [2022-11-25 15:47:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:27,805 INFO L495 AbstractCegarLoop]: Abstraction has 39894 states and 45514 transitions. [2022-11-25 15:47:27,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 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 15:47:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand 39894 states and 45514 transitions. [2022-11-25 15:47:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-25 15:47:27,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:27,835 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:27,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:47:28,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 15:47:28,042 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:28,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash 209122463, now seen corresponding path program 1 times [2022-11-25 15:47:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:28,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594000991] [2022-11-25 15:47:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:28,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:28,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:28,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594000991] [2022-11-25 15:47:28,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594000991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:28,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:28,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:28,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569403909] [2022-11-25 15:47:28,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:28,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:28,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:28,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:28,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:28,534 INFO L87 Difference]: Start difference. First operand 39894 states and 45514 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 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 15:47:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:29,703 INFO L93 Difference]: Finished difference Result 72261 states and 82440 transitions. [2022-11-25 15:47:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:29,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 287 [2022-11-25 15:47:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:29,739 INFO L225 Difference]: With dead ends: 72261 [2022-11-25 15:47:29,739 INFO L226 Difference]: Without dead ends: 34399 [2022-11-25 15:47:29,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:29,762 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:29,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 349 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34399 states. [2022-11-25 15:47:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34399 to 34391. [2022-11-25 15:47:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34391 states, 34390 states have (on average 1.128351264902588) internal successors, (38804), 34390 states have internal predecessors, (38804), 0 states have call successors, (0), 0 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 15:47:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34391 states to 34391 states and 38804 transitions. [2022-11-25 15:47:30,425 INFO L78 Accepts]: Start accepts. Automaton has 34391 states and 38804 transitions. Word has length 287 [2022-11-25 15:47:30,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:30,425 INFO L495 AbstractCegarLoop]: Abstraction has 34391 states and 38804 transitions. [2022-11-25 15:47:30,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 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 15:47:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34391 states and 38804 transitions. [2022-11-25 15:47:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-11-25 15:47:30,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:30,464 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:30,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 15:47:30,464 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:30,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1112573616, now seen corresponding path program 1 times [2022-11-25 15:47:30,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:30,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952392559] [2022-11-25 15:47:30,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 118 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-25 15:47:31,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:31,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952392559] [2022-11-25 15:47:31,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952392559] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:31,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256315875] [2022-11-25 15:47:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:31,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:31,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:47:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:31,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:47:31,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-25 15:47:31,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:31,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256315875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:31,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:31,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 15:47:31,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966356330] [2022-11-25 15:47:31,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:31,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:31,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:31,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:31,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:31,779 INFO L87 Difference]: Start difference. First operand 34391 states and 38804 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:32,913 INFO L93 Difference]: Finished difference Result 65532 states and 74079 transitions. [2022-11-25 15:47:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:32,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 381 [2022-11-25 15:47:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:32,957 INFO L225 Difference]: With dead ends: 65532 [2022-11-25 15:47:32,957 INFO L226 Difference]: Without dead ends: 33173 [2022-11-25 15:47:32,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:32,977 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:32,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 118 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33173 states. [2022-11-25 15:47:33,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33173 to 31543. [2022-11-25 15:47:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31543 states, 31542 states have (on average 1.1144505738380572) internal successors, (35152), 31542 states have internal predecessors, (35152), 0 states have call successors, (0), 0 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 15:47:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31543 states to 31543 states and 35152 transitions. [2022-11-25 15:47:33,573 INFO L78 Accepts]: Start accepts. Automaton has 31543 states and 35152 transitions. Word has length 381 [2022-11-25 15:47:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:33,574 INFO L495 AbstractCegarLoop]: Abstraction has 31543 states and 35152 transitions. [2022-11-25 15:47:33,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 31543 states and 35152 transitions. [2022-11-25 15:47:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-25 15:47:33,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:33,601 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:33,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:47:33,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 15:47:33,809 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:33,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1832401213, now seen corresponding path program 1 times [2022-11-25 15:47:33,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:33,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63954897] [2022-11-25 15:47:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:33,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-25 15:47:34,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:34,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63954897] [2022-11-25 15:47:34,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63954897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:34,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:34,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:34,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792820690] [2022-11-25 15:47:34,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:34,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:47:34,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:47:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:34,376 INFO L87 Difference]: Start difference. First operand 31543 states and 35152 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:35,955 INFO L93 Difference]: Finished difference Result 65348 states and 72943 transitions. [2022-11-25 15:47:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:47:35,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 385 [2022-11-25 15:47:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:36,005 INFO L225 Difference]: With dead ends: 65348 [2022-11-25 15:47:36,006 INFO L226 Difference]: Without dead ends: 34416 [2022-11-25 15:47:36,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:36,027 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 374 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:36,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 115 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 15:47:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34416 states. [2022-11-25 15:47:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34416 to 32769. [2022-11-25 15:47:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32769 states, 32768 states have (on average 1.115478515625) internal successors, (36552), 32768 states have internal predecessors, (36552), 0 states have call successors, (0), 0 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 15:47:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32769 states to 32769 states and 36552 transitions. [2022-11-25 15:47:36,655 INFO L78 Accepts]: Start accepts. Automaton has 32769 states and 36552 transitions. Word has length 385 [2022-11-25 15:47:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:36,656 INFO L495 AbstractCegarLoop]: Abstraction has 32769 states and 36552 transitions. [2022-11-25 15:47:36,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32769 states and 36552 transitions. [2022-11-25 15:47:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-25 15:47:36,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:36,693 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:36,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 15:47:36,694 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:36,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:36,694 INFO L85 PathProgramCache]: Analyzing trace with hash -994476096, now seen corresponding path program 1 times [2022-11-25 15:47:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:36,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374766179] [2022-11-25 15:47:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:36,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-25 15:47:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:37,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374766179] [2022-11-25 15:47:37,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374766179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:37,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:37,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:37,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532468640] [2022-11-25 15:47:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:37,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:47:37,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:37,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:47:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:37,412 INFO L87 Difference]: Start difference. First operand 32769 states and 36552 transitions. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 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 15:47:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:38,978 INFO L93 Difference]: Finished difference Result 97088 states and 108424 transitions. [2022-11-25 15:47:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:47:38,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 397 [2022-11-25 15:47:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:39,045 INFO L225 Difference]: With dead ends: 97088 [2022-11-25 15:47:39,045 INFO L226 Difference]: Without dead ends: 64930 [2022-11-25 15:47:39,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:39,062 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 428 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:39,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 495 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 15:47:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64930 states. [2022-11-25 15:47:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64930 to 64928. [2022-11-25 15:47:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64928 states, 64927 states have (on average 1.114621035932663) internal successors, (72369), 64927 states have internal predecessors, (72369), 0 states have call successors, (0), 0 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 15:47:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64928 states to 64928 states and 72369 transitions. [2022-11-25 15:47:40,428 INFO L78 Accepts]: Start accepts. Automaton has 64928 states and 72369 transitions. Word has length 397 [2022-11-25 15:47:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:40,428 INFO L495 AbstractCegarLoop]: Abstraction has 64928 states and 72369 transitions. [2022-11-25 15:47:40,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 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 15:47:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 64928 states and 72369 transitions. [2022-11-25 15:47:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-25 15:47:40,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:40,460 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:40,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 15:47:40,461 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:40,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:40,461 INFO L85 PathProgramCache]: Analyzing trace with hash 311525937, now seen corresponding path program 1 times [2022-11-25 15:47:40,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:40,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174227847] [2022-11-25 15:47:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:40,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 143 proven. 6 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-25 15:47:41,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:41,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174227847] [2022-11-25 15:47:41,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174227847] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:41,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345480997] [2022-11-25 15:47:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:41,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:47:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:41,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:47:41,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-25 15:47:41,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:41,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345480997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:41,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:41,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 15:47:41,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238730525] [2022-11-25 15:47:41,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:41,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:41,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:41,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:41,605 INFO L87 Difference]: Start difference. First operand 64928 states and 72369 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:42,955 INFO L93 Difference]: Finished difference Result 133344 states and 148656 transitions. [2022-11-25 15:47:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:42,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2022-11-25 15:47:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:43,024 INFO L225 Difference]: With dead ends: 133344 [2022-11-25 15:47:43,024 INFO L226 Difference]: Without dead ends: 69027 [2022-11-25 15:47:43,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:43,047 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 205 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:43,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 126 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 15:47:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69027 states. [2022-11-25 15:47:44,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69027 to 62480. [2022-11-25 15:47:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62480 states, 62479 states have (on average 1.110309063845452) internal successors, (69371), 62479 states have internal predecessors, (69371), 0 states have call successors, (0), 0 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 15:47:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62480 states to 62480 states and 69371 transitions. [2022-11-25 15:47:44,201 INFO L78 Accepts]: Start accepts. Automaton has 62480 states and 69371 transitions. Word has length 401 [2022-11-25 15:47:44,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:44,202 INFO L495 AbstractCegarLoop]: Abstraction has 62480 states and 69371 transitions. [2022-11-25 15:47:44,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 62480 states and 69371 transitions. [2022-11-25 15:47:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-25 15:47:44,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:44,254 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:44,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-25 15:47:44,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-25 15:47:44,456 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash 616995643, now seen corresponding path program 1 times [2022-11-25 15:47:44,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:44,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299939232] [2022-11-25 15:47:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:45,155 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-25 15:47:45,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:45,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299939232] [2022-11-25 15:47:45,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299939232] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:47:45,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529440523] [2022-11-25 15:47:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:47:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:45,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:47:45,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:47:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:45,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:47:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:47:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-25 15:47:45,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:47:45,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529440523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:45,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:47:45,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 15:47:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676004969] [2022-11-25 15:47:45,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:45,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:45,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:45,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:45,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:45,732 INFO L87 Difference]: Start difference. First operand 62480 states and 69371 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 15:47:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:46,982 INFO L93 Difference]: Finished difference Result 121083 states and 134510 transitions. [2022-11-25 15:47:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:46,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 405 [2022-11-25 15:47:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:46,989 INFO L225 Difference]: With dead ends: 121083 [2022-11-25 15:47:46,990 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:47:47,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:47,022 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:47,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 95 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:47:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:47:47,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:47:47,023 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 15:47:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:47:47,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 405 [2022-11-25 15:47:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:47,023 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:47:47,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 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 15:47:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:47:47,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:47:47,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:47:47,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:47:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-25 15:47:47,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:48:04,843 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-25 15:48:04,843 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-25 15:48:04,843 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,843 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-25 15:48:04,843 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,844 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,845 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,846 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,847 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,848 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,848 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,848 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,848 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,848 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-25 15:48:04,849 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,850 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,851 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,852 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,852 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-25 15:48:04,852 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-25 15:48:04,852 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,852 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,853 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,854 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,855 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-25 15:48:04,856 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,857 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-25 15:48:04,858 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-25 15:48:04,859 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,859 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,859 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,859 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,859 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,860 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,861 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,862 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:48:04,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1516) no Hoare annotation was computed. [2022-11-25 15:48:04,863 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-25 15:48:04,863 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-25 15:48:04,863 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-25 15:48:04,863 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-25 15:48:04,864 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-25 15:48:04,864 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,864 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,864 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,864 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-25 15:48:04,865 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-25 15:48:04,866 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-25 15:48:04,867 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,867 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,867 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,867 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-25 15:48:04,867 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,868 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-25 15:48:04,869 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-25 15:48:04,870 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,870 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,870 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,871 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-11-25 15:48:04,871 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,872 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,872 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,872 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-25 15:48:04,872 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-25 15:48:04,873 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,873 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,873 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,873 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-25 15:48:04,873 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,873 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,874 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,874 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,874 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,874 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,874 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,875 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,876 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,876 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,876 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,876 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,876 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-25 15:48:04,877 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,878 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-25 15:48:04,879 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-25 15:48:04,880 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,880 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,880 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,880 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,880 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,881 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,881 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,881 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:48:04,881 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,882 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,883 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-25 15:48:04,883 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,883 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,883 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,883 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-25 15:48:04,884 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-25 15:48:04,885 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,885 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,885 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,885 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,885 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,886 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,886 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,886 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,886 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-25 15:48:04,886 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-25 15:48:04,887 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,888 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,888 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,888 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,888 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,889 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,890 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-25 15:48:04,890 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-25 15:48:04,890 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-25 15:48:04,890 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,890 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,891 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-25 15:48:04,892 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,893 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,893 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,893 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,893 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-25 15:48:04,893 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-25 15:48:04,894 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-25 15:48:04,894 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,894 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,894 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-25 15:48:04,898 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:48:04,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:48:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:48:04 BoogieIcfgContainer [2022-11-25 15:48:04,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:48:04,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:48:04,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:48:04,938 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:48:04,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:53" (3/4) ... [2022-11-25 15:48:04,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:48:04,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 15:48:04,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 15:48:04,979 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:48:04,982 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:48:05,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:48:05,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:48:05,207 INFO L158 Benchmark]: Toolchain (without parser) took 75876.18ms. Allocated memory was 167.8MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 126.8MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. [2022-11-25 15:48:05,209 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:48:05,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.62ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 64.1MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 15:48:05,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 263.80ms. Allocated memory is still 167.8MB. Free memory was 64.1MB in the beginning and 124.3MB in the end (delta: -60.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-25 15:48:05,210 INFO L158 Benchmark]: Boogie Preprocessor took 142.28ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 113.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:48:05,210 INFO L158 Benchmark]: RCFGBuilder took 2523.83ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 113.8MB in the beginning and 110.6MB in the end (delta: 3.2MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2022-11-25 15:48:05,210 INFO L158 Benchmark]: TraceAbstraction took 71542.33ms. Allocated memory was 228.6MB in the beginning and 10.1GB in the end (delta: 9.8GB). Free memory was 110.6MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 5.7GB. Max. memory is 16.1GB. [2022-11-25 15:48:05,213 INFO L158 Benchmark]: Witness Printer took 265.36ms. Allocated memory is still 10.1GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 15:48:05,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.62ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 64.1MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 263.80ms. Allocated memory is still 167.8MB. Free memory was 64.1MB in the beginning and 124.3MB in the end (delta: -60.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.28ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 113.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2523.83ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 113.8MB in the beginning and 110.6MB in the end (delta: 3.2MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. * TraceAbstraction took 71542.33ms. Allocated memory was 228.6MB in the beginning and 10.1GB in the end (delta: 9.8GB). Free memory was 110.6MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 5.7GB. Max. memory is 16.1GB. * Witness Printer took 265.36ms. Allocated memory is still 10.1GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1516]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.4s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4933 SdHoareTripleChecker+Valid, 22.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4933 mSDsluCounter, 4565 SdHoareTripleChecker+Invalid, 18.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2463 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14454 IncrementalHoareTripleChecker+Invalid, 16917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2463 mSolverCounterUnsat, 3894 mSDtfsCounter, 14454 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1973 GetRequests, 1935 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64928occurred in iteration=20, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.0s AutomataMinimizationTime, 22 MinimizatonAttempts, 15039 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 523 NumberOfFragments, 1307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 180 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 21078 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 7683 NumberOfCodeBlocks, 7683 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7655 ConstructedInterpolants, 0 QuantifiedInterpolants, 14206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3726 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 5531/5567 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-25 15:48:05,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c956e33-f4d9-4b4f-968d-6143306a2e51/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