./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro --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 63c3a28a771a7642d2d01d4b50ea8f0914adef37135dc9c64a20524a1e6d797b --- 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-8393723 [2022-11-18 20:21:09,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:21:09,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:21:09,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:21:09,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:21:09,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:21:09,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:21:09,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:21:09,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:21:09,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:21:09,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:21:09,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:21:09,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:21:09,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:21:09,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:21:09,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:21:09,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:21:09,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:21:09,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:21:09,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:21:09,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:21:09,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:21:09,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:21:09,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:21:09,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:21:09,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:21:09,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:21:09,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:21:09,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:21:09,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:21:09,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:21:09,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:21:09,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:21:09,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:21:09,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:21:09,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:21:09,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:21:09,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:21:09,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:21:09,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:21:09,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:21:09,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:21:09,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:21:09,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:21:09,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:21:09,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:21:09,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:21:09,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:21:09,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:21:09,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:21:09,528 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:21:09,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:21:09,529 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:21:09,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:21:09,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:21:09,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:21:09,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:21:09,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:21:09,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:21:09,531 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:21:09,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:21:09,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:21:09,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:21:09,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:21:09,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:21:09,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:21:09,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:21:09,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:21:09,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:21:09,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:21:09,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:21:09,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:21:09,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:21:09,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:21:09,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:21:09,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c3a28a771a7642d2d01d4b50ea8f0914adef37135dc9c64a20524a1e6d797b [2022-11-18 20:21:09,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:21:09,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:21:09,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:21:09,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:21:09,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:21:09,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem11_label24.c [2022-11-18 20:21:09,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/data/9895b004a/57d04a52293c4d6aa48c0084784b0153/FLAG2b67ca5ee [2022-11-18 20:21:10,661 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:21:10,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/sv-benchmarks/c/eca-rers2012/Problem11_label24.c [2022-11-18 20:21:10,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/data/9895b004a/57d04a52293c4d6aa48c0084784b0153/FLAG2b67ca5ee [2022-11-18 20:21:10,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/data/9895b004a/57d04a52293c4d6aa48c0084784b0153 [2022-11-18 20:21:10,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:21:10,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:21:10,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:21:10,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:21:10,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:21:10,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:21:10" (1/1) ... [2022-11-18 20:21:10,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76dbfa99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:10, skipping insertion in model container [2022-11-18 20:21:10,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:21:10" (1/1) ... [2022-11-18 20:21:10,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:21:11,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:21:11,394 WARN L234 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_9f4531a1-53e9-49cf-8642-a13842b64b2d/sv-benchmarks/c/eca-rers2012/Problem11_label24.c[7451,7464] [2022-11-18 20:21:11,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:21:11,692 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:21:11,733 WARN L234 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_9f4531a1-53e9-49cf-8642-a13842b64b2d/sv-benchmarks/c/eca-rers2012/Problem11_label24.c[7451,7464] [2022-11-18 20:21:11,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:21:11,887 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:21:11,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11 WrapperNode [2022-11-18 20:21:11,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:21:11,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:21:11,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:21:11,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:21:11,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:11,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,056 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-18 20:21:12,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:21:12,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:21:12,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:21:12,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:21:12,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,213 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:21:12,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:21:12,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:21:12,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:21:12,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (1/1) ... [2022-11-18 20:21:12,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:21:12,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:12,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:12,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:21:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:21:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:21:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:21:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:21:12,412 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:21:12,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:21:14,106 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:21:14,116 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:21:14,116 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:21:14,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:14 BoogieIcfgContainer [2022-11-18 20:21:14,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:21:14,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:21:14,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:21:14,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:21:14,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:21:10" (1/3) ... [2022-11-18 20:21:14,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597b8465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:21:14, skipping insertion in model container [2022-11-18 20:21:14,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:11" (2/3) ... [2022-11-18 20:21:14,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597b8465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:21:14, skipping insertion in model container [2022-11-18 20:21:14,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:14" (3/3) ... [2022-11-18 20:21:14,131 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label24.c [2022-11-18 20:21:14,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:21:14,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:21:14,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:21:14,257 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;@5d16715c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:21:14,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:21:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-18 20:21:14,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:14,276 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] [2022-11-18 20:21:14,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2022-11-18 20:21:14,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:14,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007843038] [2022-11-18 20:21:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:14,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:14,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:14,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007843038] [2022-11-18 20:21:14,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007843038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:14,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:14,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270857711] [2022-11-18 20:21:14,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:14,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:14,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:14,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:14,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:14,821 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:16,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:16,282 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-11-18 20:21:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:16,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-11-18 20:21:16,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:16,306 INFO L225 Difference]: With dead ends: 776 [2022-11-18 20:21:16,306 INFO L226 Difference]: Without dead ends: 413 [2022-11-18 20:21:16,314 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 [2022-11-18 20:21:16,319 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 176 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:16,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:21:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-18 20:21:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-11-18 20:21:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-11-18 20:21:16,418 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 51 [2022-11-18 20:21:16,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:16,419 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-11-18 20:21:16,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-11-18 20:21:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 20:21:16,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:16,433 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:16,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:21:16,434 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1424628072, now seen corresponding path program 1 times [2022-11-18 20:21:16,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:16,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058588829] [2022-11-18 20:21:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:16,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:16,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:16,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058588829] [2022-11-18 20:21:16,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058588829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:16,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:16,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:16,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950301219] [2022-11-18 20:21:16,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:16,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:16,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:16,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:16,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:16,744 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:17,878 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-11-18 20:21:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-11-18 20:21:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:17,883 INFO L225 Difference]: With dead ends: 1209 [2022-11-18 20:21:17,884 INFO L226 Difference]: Without dead ends: 800 [2022-11-18 20:21:17,885 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 [2022-11-18 20:21:17,886 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:17,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:21:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-18 20:21:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-11-18 20:21:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-11-18 20:21:17,936 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 119 [2022-11-18 20:21:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:17,939 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-11-18 20:21:17,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-11-18 20:21:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-18 20:21:17,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:17,947 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:17,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:21:17,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:17,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:17,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1033925576, now seen corresponding path program 1 times [2022-11-18 20:21:17,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:17,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944050135] [2022-11-18 20:21:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:17,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:18,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:18,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944050135] [2022-11-18 20:21:18,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944050135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:18,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:18,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:18,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492514562] [2022-11-18 20:21:18,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:18,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:18,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:18,411 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:19,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:19,418 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-11-18 20:21:19,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:19,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-11-18 20:21:19,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:19,423 INFO L225 Difference]: With dead ends: 1942 [2022-11-18 20:21:19,423 INFO L226 Difference]: Without dead ends: 1157 [2022-11-18 20:21:19,424 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 [2022-11-18 20:21:19,425 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:19,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-18 20:21:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-11-18 20:21:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-11-18 20:21:19,449 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 120 [2022-11-18 20:21:19,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:19,450 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-11-18 20:21:19,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-11-18 20:21:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-18 20:21:19,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:19,453 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:19,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:21:19,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:19,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:19,454 INFO L85 PathProgramCache]: Analyzing trace with hash -289166940, now seen corresponding path program 1 times [2022-11-18 20:21:19,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:19,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625899812] [2022-11-18 20:21:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:19,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:19,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:19,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625899812] [2022-11-18 20:21:19,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625899812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:19,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:19,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:19,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157005616] [2022-11-18 20:21:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:19,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:19,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:19,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:19,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:19,685 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:20,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:20,682 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2022-11-18 20:21:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:20,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-11-18 20:21:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:20,692 INFO L225 Difference]: With dead ends: 2691 [2022-11-18 20:21:20,693 INFO L226 Difference]: Without dead ends: 1721 [2022-11-18 20:21:20,695 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 [2022-11-18 20:21:20,700 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 155 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:20,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:21:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-11-18 20:21:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2022-11-18 20:21:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2022-11-18 20:21:20,735 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 163 [2022-11-18 20:21:20,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:20,737 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2022-11-18 20:21:20,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2022-11-18 20:21:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-18 20:21:20,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:20,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:20,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:21:20,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:20,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash -933543605, now seen corresponding path program 1 times [2022-11-18 20:21:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:20,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461841148] [2022-11-18 20:21:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:20,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:20,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461841148] [2022-11-18 20:21:20,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461841148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:20,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:20,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:20,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875613871] [2022-11-18 20:21:20,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:20,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:20,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:20,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:20,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:20,943 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:21,849 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2022-11-18 20:21:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:21,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 [2022-11-18 20:21:21,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:21,859 INFO L225 Difference]: With dead ends: 4158 [2022-11-18 20:21:21,859 INFO L226 Difference]: Without dead ends: 2632 [2022-11-18 20:21:21,861 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 [2022-11-18 20:21:21,865 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:21,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:21:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2022-11-18 20:21:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2022-11-18 20:21:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2022-11-18 20:21:21,920 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 178 [2022-11-18 20:21:21,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:21,921 INFO L495 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2022-11-18 20:21:21,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2022-11-18 20:21:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-18 20:21:21,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:21,929 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:21,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:21:21,930 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:21,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1329847317, now seen corresponding path program 1 times [2022-11-18 20:21:21,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:21,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203708457] [2022-11-18 20:21:21,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 20:21:22,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:22,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203708457] [2022-11-18 20:21:22,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203708457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:22,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:22,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:22,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078184093] [2022-11-18 20:21:22,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:22,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:22,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:22,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:22,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:22,264 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:23,107 INFO L93 Difference]: Finished difference Result 5452 states and 6620 transitions. [2022-11-18 20:21:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:23,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 194 [2022-11-18 20:21:23,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:23,117 INFO L225 Difference]: With dead ends: 5452 [2022-11-18 20:21:23,117 INFO L226 Difference]: Without dead ends: 3006 [2022-11-18 20:21:23,120 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 [2022-11-18 20:21:23,120 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:23,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 154 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:21:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2022-11-18 20:21:23,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 3005. [2022-11-18 20:21:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 3004 states have (on average 1.2113848202396804) internal successors, (3639), 3004 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 3639 transitions. [2022-11-18 20:21:23,199 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 3639 transitions. Word has length 194 [2022-11-18 20:21:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:23,200 INFO L495 AbstractCegarLoop]: Abstraction has 3005 states and 3639 transitions. [2022-11-18 20:21:23,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3639 transitions. [2022-11-18 20:21:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-18 20:21:23,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:23,204 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:21:23,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:21:23,204 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:23,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1440418757, now seen corresponding path program 1 times [2022-11-18 20:21:23,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:23,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952899985] [2022-11-18 20:21:23,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:23,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952899985] [2022-11-18 20:21:23,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952899985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:23,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:23,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:21:23,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304212291] [2022-11-18 20:21:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:23,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:21:23,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:23,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:21:23,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:23,927 INFO L87 Difference]: Start difference. First operand 3005 states and 3639 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:25,724 INFO L93 Difference]: Finished difference Result 8783 states and 10795 transitions. [2022-11-18 20:21:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:21:25,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 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 232 [2022-11-18 20:21:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:25,741 INFO L225 Difference]: With dead ends: 8783 [2022-11-18 20:21:25,741 INFO L226 Difference]: Without dead ends: 5780 [2022-11-18 20:21:25,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:25,747 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 319 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:25,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 119 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:21:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2022-11-18 20:21:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5404. [2022-11-18 20:21:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5404 states, 5403 states have (on average 1.2121043864519712) internal successors, (6549), 5403 states have internal predecessors, (6549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:25,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 6549 transitions. [2022-11-18 20:21:25,872 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 6549 transitions. Word has length 232 [2022-11-18 20:21:25,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:25,873 INFO L495 AbstractCegarLoop]: Abstraction has 5404 states and 6549 transitions. [2022-11-18 20:21:25,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 6549 transitions. [2022-11-18 20:21:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-18 20:21:25,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:25,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:21:25,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:21:25,878 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:25,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1400544816, now seen corresponding path program 1 times [2022-11-18 20:21:25,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:25,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447020303] [2022-11-18 20:21:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-18 20:21:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447020303] [2022-11-18 20:21:26,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447020303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:26,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:26,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:26,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114877741] [2022-11-18 20:21:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:26,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:26,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:26,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:26,097 INFO L87 Difference]: Start difference. First operand 5404 states and 6549 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-11-18 20:21:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:27,166 INFO L93 Difference]: Finished difference Result 11919 states and 14623 transitions. [2022-11-18 20:21:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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 233 [2022-11-18 20:21:27,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:27,190 INFO L225 Difference]: With dead ends: 11919 [2022-11-18 20:21:27,190 INFO L226 Difference]: Without dead ends: 6885 [2022-11-18 20:21:27,195 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 [2022-11-18 20:21:27,196 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 146 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:27,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 390 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6885 states. [2022-11-18 20:21:27,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6885 to 6692. [2022-11-18 20:21:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 6691 states have (on average 1.1927962935286205) internal successors, (7981), 6691 states have internal predecessors, (7981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 7981 transitions. [2022-11-18 20:21:27,334 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 7981 transitions. Word has length 233 [2022-11-18 20:21:27,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:27,335 INFO L495 AbstractCegarLoop]: Abstraction has 6692 states and 7981 transitions. [2022-11-18 20:21:27,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-11-18 20:21:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 7981 transitions. [2022-11-18 20:21:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-18 20:21:27,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:27,340 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:21:27,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:21:27,342 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:27,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:27,343 INFO L85 PathProgramCache]: Analyzing trace with hash 826529202, now seen corresponding path program 1 times [2022-11-18 20:21:27,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:27,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257918926] [2022-11-18 20:21:27,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:27,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257918926] [2022-11-18 20:21:27,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257918926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:27,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:27,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:27,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217246980] [2022-11-18 20:21:27,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:27,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:21:27,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:21:27,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:27,792 INFO L87 Difference]: Start difference. First operand 6692 states and 7981 transitions. Second operand has 4 states, 4 states have (on average 60.75) 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) [2022-11-18 20:21:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:29,625 INFO L93 Difference]: Finished difference Result 14861 states and 17819 transitions. [2022-11-18 20:21:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:21:29,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) 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 243 [2022-11-18 20:21:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:29,651 INFO L225 Difference]: With dead ends: 14861 [2022-11-18 20:21:29,651 INFO L226 Difference]: Without dead ends: 8539 [2022-11-18 20:21:29,658 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 [2022-11-18 20:21:29,658 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 254 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:29,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 141 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:21:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2022-11-18 20:21:29,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 8534. [2022-11-18 20:21:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8534 states, 8533 states have (on average 1.1736786593226298) internal successors, (10015), 8533 states have internal predecessors, (10015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8534 states to 8534 states and 10015 transitions. [2022-11-18 20:21:29,833 INFO L78 Accepts]: Start accepts. Automaton has 8534 states and 10015 transitions. Word has length 243 [2022-11-18 20:21:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:29,834 INFO L495 AbstractCegarLoop]: Abstraction has 8534 states and 10015 transitions. [2022-11-18 20:21:29,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) 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) [2022-11-18 20:21:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8534 states and 10015 transitions. [2022-11-18 20:21:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 20:21:29,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:29,840 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:21:29,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:21:29,841 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:29,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:29,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1535621630, now seen corresponding path program 1 times [2022-11-18 20:21:29,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:29,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795408812] [2022-11-18 20:21:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-18 20:21:30,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:30,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795408812] [2022-11-18 20:21:30,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795408812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:30,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:30,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3427290] [2022-11-18 20:21:30,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:30,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:30,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:30,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:30,110 INFO L87 Difference]: Start difference. First operand 8534 states and 10015 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-11-18 20:21:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:31,106 INFO L93 Difference]: Finished difference Result 18740 states and 22056 transitions. [2022-11-18 20:21:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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 253 [2022-11-18 20:21:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:31,131 INFO L225 Difference]: With dead ends: 18740 [2022-11-18 20:21:31,131 INFO L226 Difference]: Without dead ends: 10576 [2022-11-18 20:21:31,140 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 [2022-11-18 20:21:31,140 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 151 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:31,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 190 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:21:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10576 states. [2022-11-18 20:21:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10576 to 10190. [2022-11-18 20:21:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10190 states, 10189 states have (on average 1.1690057905584454) internal successors, (11911), 10189 states have internal predecessors, (11911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10190 states to 10190 states and 11911 transitions. [2022-11-18 20:21:31,317 INFO L78 Accepts]: Start accepts. Automaton has 10190 states and 11911 transitions. Word has length 253 [2022-11-18 20:21:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:31,317 INFO L495 AbstractCegarLoop]: Abstraction has 10190 states and 11911 transitions. [2022-11-18 20:21:31,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-11-18 20:21:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10190 states and 11911 transitions. [2022-11-18 20:21:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-18 20:21:31,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:31,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:31,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:21:31,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:31,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:31,364 INFO L85 PathProgramCache]: Analyzing trace with hash 943642801, now seen corresponding path program 1 times [2022-11-18 20:21:31,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:31,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64239923] [2022-11-18 20:21:31,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:31,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-18 20:21:31,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:31,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64239923] [2022-11-18 20:21:31,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64239923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:31,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:31,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:31,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965039917] [2022-11-18 20:21:31,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:31,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:31,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:31,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:31,618 INFO L87 Difference]: Start difference. First operand 10190 states and 11911 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) [2022-11-18 20:21:32,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:32,678 INFO L93 Difference]: Finished difference Result 20567 states and 24033 transitions. [2022-11-18 20:21:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:32,679 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 281 [2022-11-18 20:21:32,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:32,698 INFO L225 Difference]: With dead ends: 20567 [2022-11-18 20:21:32,698 INFO L226 Difference]: Without dead ends: 10563 [2022-11-18 20:21:32,708 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 [2022-11-18 20:21:32,708 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 150 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:32,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 361 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:32,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2022-11-18 20:21:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10557. [2022-11-18 20:21:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10557 states, 10556 states have (on average 1.139920424403183) internal successors, (12033), 10556 states have internal predecessors, (12033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10557 states to 10557 states and 12033 transitions. [2022-11-18 20:21:32,938 INFO L78 Accepts]: Start accepts. Automaton has 10557 states and 12033 transitions. Word has length 281 [2022-11-18 20:21:32,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:32,938 INFO L495 AbstractCegarLoop]: Abstraction has 10557 states and 12033 transitions. [2022-11-18 20:21:32,939 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) [2022-11-18 20:21:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 10557 states and 12033 transitions. [2022-11-18 20:21:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-18 20:21:32,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:32,948 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:32,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:21:32,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:32,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:32,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2146355781, now seen corresponding path program 1 times [2022-11-18 20:21:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:32,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006155685] [2022-11-18 20:21:32,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 20:21:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:33,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006155685] [2022-11-18 20:21:33,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006155685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:33,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:33,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:33,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238824074] [2022-11-18 20:21:33,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:33,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:33,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:33,315 INFO L87 Difference]: Start difference. First operand 10557 states and 12033 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:34,422 INFO L93 Difference]: Finished difference Result 23886 states and 27410 transitions. [2022-11-18 20:21:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:34,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 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 314 [2022-11-18 20:21:34,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:34,450 INFO L225 Difference]: With dead ends: 23886 [2022-11-18 20:21:34,450 INFO L226 Difference]: Without dead ends: 13699 [2022-11-18 20:21:34,459 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 [2022-11-18 20:21:34,460 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 142 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:34,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 135 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13699 states. [2022-11-18 20:21:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13699 to 13694. [2022-11-18 20:21:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13694 states, 13693 states have (on average 1.1337179580807712) internal successors, (15524), 13693 states have internal predecessors, (15524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13694 states to 13694 states and 15524 transitions. [2022-11-18 20:21:34,690 INFO L78 Accepts]: Start accepts. Automaton has 13694 states and 15524 transitions. Word has length 314 [2022-11-18 20:21:34,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:34,691 INFO L495 AbstractCegarLoop]: Abstraction has 13694 states and 15524 transitions. [2022-11-18 20:21:34,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 13694 states and 15524 transitions. [2022-11-18 20:21:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-18 20:21:34,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:34,702 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:34,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:21:34,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:34,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:34,703 INFO L85 PathProgramCache]: Analyzing trace with hash 263747274, now seen corresponding path program 1 times [2022-11-18 20:21:34,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:34,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070170109] [2022-11-18 20:21:34,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:34,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 20:21:35,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:35,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070170109] [2022-11-18 20:21:35,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070170109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:35,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:35,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:35,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493047313] [2022-11-18 20:21:35,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:35,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:35,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:35,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:35,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:35,081 INFO L87 Difference]: Start difference. First operand 13694 states and 15524 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) 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) [2022-11-18 20:21:36,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:36,287 INFO L93 Difference]: Finished difference Result 30517 states and 34553 transitions. [2022-11-18 20:21:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) 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 322 [2022-11-18 20:21:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:36,319 INFO L225 Difference]: With dead ends: 30517 [2022-11-18 20:21:36,319 INFO L226 Difference]: Without dead ends: 17193 [2022-11-18 20:21:36,333 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 [2022-11-18 20:21:36,334 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 156 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:36,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 73 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:21:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2022-11-18 20:21:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 17190. [2022-11-18 20:21:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17190 states, 17189 states have (on average 1.1226365698993543) internal successors, (19297), 17189 states have internal predecessors, (19297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17190 states to 17190 states and 19297 transitions. [2022-11-18 20:21:36,642 INFO L78 Accepts]: Start accepts. Automaton has 17190 states and 19297 transitions. Word has length 322 [2022-11-18 20:21:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:36,643 INFO L495 AbstractCegarLoop]: Abstraction has 17190 states and 19297 transitions. [2022-11-18 20:21:36,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) 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) [2022-11-18 20:21:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17190 states and 19297 transitions. [2022-11-18 20:21:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-18 20:21:36,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:36,655 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:36,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:21:36,655 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:36,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:36,656 INFO L85 PathProgramCache]: Analyzing trace with hash -379447870, now seen corresponding path program 1 times [2022-11-18 20:21:36,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:36,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884190502] [2022-11-18 20:21:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:36,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 227 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:37,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:37,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884190502] [2022-11-18 20:21:37,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884190502] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:21:37,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452395021] [2022-11-18 20:21:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:37,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:21:37,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:37,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:21:37,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:21:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:21:38,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:21:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-18 20:21:38,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:21:38,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452395021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:38,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:21:38,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-18 20:21:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605764582] [2022-11-18 20:21:38,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:38,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:38,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:38,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:21:38,499 INFO L87 Difference]: Start difference. First operand 17190 states and 19297 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:39,650 INFO L93 Difference]: Finished difference Result 35504 states and 40039 transitions. [2022-11-18 20:21:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:39,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2022-11-18 20:21:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:39,685 INFO L225 Difference]: With dead ends: 35504 [2022-11-18 20:21:39,685 INFO L226 Difference]: Without dead ends: 18684 [2022-11-18 20:21:39,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:21:39,698 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:39,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 359 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2022-11-18 20:21:40,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18676. [2022-11-18 20:21:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18676 states, 18675 states have (on average 1.121178045515395) internal successors, (20938), 18675 states have internal predecessors, (20938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18676 states to 18676 states and 20938 transitions. [2022-11-18 20:21:40,056 INFO L78 Accepts]: Start accepts. Automaton has 18676 states and 20938 transitions. Word has length 324 [2022-11-18 20:21:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:40,056 INFO L495 AbstractCegarLoop]: Abstraction has 18676 states and 20938 transitions. [2022-11-18 20:21:40,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 18676 states and 20938 transitions. [2022-11-18 20:21:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-18 20:21:40,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:40,067 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:40,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:40,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 20:21:40,274 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:40,275 INFO L85 PathProgramCache]: Analyzing trace with hash -56733327, now seen corresponding path program 1 times [2022-11-18 20:21:40,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:40,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726691222] [2022-11-18 20:21:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-18 20:21:40,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:40,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726691222] [2022-11-18 20:21:40,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726691222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:40,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:40,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:40,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271731712] [2022-11-18 20:21:40,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:40,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:40,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:40,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:40,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:40,558 INFO L87 Difference]: Start difference. First operand 18676 states and 20938 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:41,471 INFO L93 Difference]: Finished difference Result 40109 states and 44936 transitions. [2022-11-18 20:21:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:41,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 326 [2022-11-18 20:21:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:41,508 INFO L225 Difference]: With dead ends: 40109 [2022-11-18 20:21:41,509 INFO L226 Difference]: Without dead ends: 21803 [2022-11-18 20:21:41,520 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 [2022-11-18 20:21:41,521 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 168 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:41,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 155 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:21:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21803 states. [2022-11-18 20:21:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21803 to 14439. [2022-11-18 20:21:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14439 states, 14438 states have (on average 1.13159717412384) internal successors, (16338), 14438 states have internal predecessors, (16338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 16338 transitions. [2022-11-18 20:21:41,848 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 16338 transitions. Word has length 326 [2022-11-18 20:21:41,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:41,851 INFO L495 AbstractCegarLoop]: Abstraction has 14439 states and 16338 transitions. [2022-11-18 20:21:41,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 16338 transitions. [2022-11-18 20:21:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-11-18 20:21:41,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:41,859 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:21:41,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:21:41,860 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash 234214298, now seen corresponding path program 1 times [2022-11-18 20:21:41,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:41,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448103427] [2022-11-18 20:21:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:41,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:21:42,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:42,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448103427] [2022-11-18 20:21:42,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448103427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:42,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:42,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:21:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87619098] [2022-11-18 20:21:42,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:42,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:42,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:42,250 INFO L87 Difference]: Start difference. First operand 14439 states and 16338 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:42,801 INFO L93 Difference]: Finished difference Result 28500 states and 32286 transitions. [2022-11-18 20:21:42,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:42,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 333 [2022-11-18 20:21:42,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:42,826 INFO L225 Difference]: With dead ends: 28500 [2022-11-18 20:21:42,826 INFO L226 Difference]: Without dead ends: 14431 [2022-11-18 20:21:42,835 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 [2022-11-18 20:21:42,836 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:42,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 40 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:21:42,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14431 states. [2022-11-18 20:21:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14431 to 14428. [2022-11-18 20:21:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14428 states, 14427 states have (on average 1.1309350523324322) internal successors, (16316), 14427 states have internal predecessors, (16316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14428 states to 14428 states and 16316 transitions. [2022-11-18 20:21:43,175 INFO L78 Accepts]: Start accepts. Automaton has 14428 states and 16316 transitions. Word has length 333 [2022-11-18 20:21:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:43,176 INFO L495 AbstractCegarLoop]: Abstraction has 14428 states and 16316 transitions. [2022-11-18 20:21:43,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14428 states and 16316 transitions. [2022-11-18 20:21:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-18 20:21:43,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:43,186 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:43,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:21:43,186 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:43,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:43,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1309922959, now seen corresponding path program 1 times [2022-11-18 20:21:43,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:43,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20084656] [2022-11-18 20:21:43,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:43,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-18 20:21:43,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:43,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20084656] [2022-11-18 20:21:43,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20084656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:43,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:43,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:43,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220061170] [2022-11-18 20:21:43,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:43,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:21:43,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:43,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:21:43,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:21:43,699 INFO L87 Difference]: Start difference. First operand 14428 states and 16316 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:44,850 INFO L93 Difference]: Finished difference Result 32350 states and 36463 transitions. [2022-11-18 20:21:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:21:44,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 357 [2022-11-18 20:21:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:44,869 INFO L225 Difference]: With dead ends: 32350 [2022-11-18 20:21:44,869 INFO L226 Difference]: Without dead ends: 16448 [2022-11-18 20:21:44,880 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 [2022-11-18 20:21:44,880 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 150 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:44,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 309 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:21:44,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16448 states. [2022-11-18 20:21:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16448 to 14052. [2022-11-18 20:21:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14052 states, 14051 states have (on average 1.095224539178706) internal successors, (15389), 14051 states have internal predecessors, (15389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 15389 transitions. [2022-11-18 20:21:45,101 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 15389 transitions. Word has length 357 [2022-11-18 20:21:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:45,101 INFO L495 AbstractCegarLoop]: Abstraction has 14052 states and 15389 transitions. [2022-11-18 20:21:45,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 15389 transitions. [2022-11-18 20:21:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-11-18 20:21:45,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:45,108 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:45,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:21:45,109 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2132777761, now seen corresponding path program 1 times [2022-11-18 20:21:45,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:45,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008208050] [2022-11-18 20:21:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:45,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-18 20:21:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:46,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008208050] [2022-11-18 20:21:46,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008208050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:46,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:46,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:21:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315313257] [2022-11-18 20:21:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:46,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:21:46,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:46,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:21:46,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:46,015 INFO L87 Difference]: Start difference. First operand 14052 states and 15389 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:47,637 INFO L93 Difference]: Finished difference Result 28841 states and 31559 transitions. [2022-11-18 20:21:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:21:47,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 358 [2022-11-18 20:21:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:47,650 INFO L225 Difference]: With dead ends: 28841 [2022-11-18 20:21:47,650 INFO L226 Difference]: Without dead ends: 15159 [2022-11-18 20:21:47,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:47,656 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 307 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:47,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 111 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 20:21:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2022-11-18 20:21:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 14236. [2022-11-18 20:21:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14235 states have (on average 1.0942746750965928) internal successors, (15577), 14235 states have internal predecessors, (15577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 15577 transitions. [2022-11-18 20:21:47,858 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 15577 transitions. Word has length 358 [2022-11-18 20:21:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:47,859 INFO L495 AbstractCegarLoop]: Abstraction has 14236 states and 15577 transitions. [2022-11-18 20:21:47,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 15577 transitions. [2022-11-18 20:21:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-11-18 20:21:47,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:47,868 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:47,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:21:47,868 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:47,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash 827224776, now seen corresponding path program 1 times [2022-11-18 20:21:47,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:47,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993410699] [2022-11-18 20:21:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-18 20:21:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:48,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993410699] [2022-11-18 20:21:48,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993410699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:48,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:48,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:21:48,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350305117] [2022-11-18 20:21:48,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:48,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:21:48,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:48,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:21:48,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:21:48,388 INFO L87 Difference]: Start difference. First operand 14236 states and 15577 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:21:49,869 INFO L93 Difference]: Finished difference Result 36219 states and 39627 transitions. [2022-11-18 20:21:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:21:49,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2022-11-18 20:21:49,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:21:49,887 INFO L225 Difference]: With dead ends: 36219 [2022-11-18 20:21:49,887 INFO L226 Difference]: Without dead ends: 21801 [2022-11-18 20:21:49,896 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 [2022-11-18 20:21:49,897 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 211 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:21:49,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 78 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:21:49,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21801 states. [2022-11-18 20:21:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21801 to 20506. [2022-11-18 20:21:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20506 states, 20505 states have (on average 1.090904657400634) internal successors, (22369), 20505 states have internal predecessors, (22369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20506 states to 20506 states and 22369 transitions. [2022-11-18 20:21:50,285 INFO L78 Accepts]: Start accepts. Automaton has 20506 states and 22369 transitions. Word has length 372 [2022-11-18 20:21:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:21:50,286 INFO L495 AbstractCegarLoop]: Abstraction has 20506 states and 22369 transitions. [2022-11-18 20:21:50,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:21:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 20506 states and 22369 transitions. [2022-11-18 20:21:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-18 20:21:50,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:21:50,298 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:21:50,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:21:50,299 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:21:50,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1553293930, now seen corresponding path program 1 times [2022-11-18 20:21:50,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:50,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628924387] [2022-11-18 20:21:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:50,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 146 proven. 200 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-18 20:21:50,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:50,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628924387] [2022-11-18 20:21:50,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628924387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:21:50,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635009907] [2022-11-18 20:21:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:21:50,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:50,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:21:50,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:21:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:21:51,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:21:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 244 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:52,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:21:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 244 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:56,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635009907] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:21:56,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:21:56,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2022-11-18 20:21:56,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266927296] [2022-11-18 20:21:56,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:21:56,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:21:56,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:56,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:21:56,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:21:56,667 INFO L87 Difference]: Start difference. First operand 20506 states and 22369 transitions. Second operand has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:05,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:05,912 INFO L93 Difference]: Finished difference Result 61536 states and 66765 transitions. [2022-11-18 20:22:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 20:22:05,913 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 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 389 [2022-11-18 20:22:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:05,947 INFO L225 Difference]: With dead ends: 61536 [2022-11-18 20:22:05,947 INFO L226 Difference]: Without dead ends: 40662 [2022-11-18 20:22:05,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=464, Invalid=1176, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 20:22:05,957 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 5470 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 6640 mSolverCounterSat, 1724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5470 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 8364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 6640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:05,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5470 Valid, 181 Invalid, 8364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1724 Valid, 6640 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-18 20:22:05,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40662 states. [2022-11-18 20:22:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40662 to 35614. [2022-11-18 20:22:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35614 states, 35613 states have (on average 1.0764046836829249) internal successors, (38334), 35613 states have internal predecessors, (38334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35614 states to 35614 states and 38334 transitions. [2022-11-18 20:22:06,456 INFO L78 Accepts]: Start accepts. Automaton has 35614 states and 38334 transitions. Word has length 389 [2022-11-18 20:22:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:06,457 INFO L495 AbstractCegarLoop]: Abstraction has 35614 states and 38334 transitions. [2022-11-18 20:22:06,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 35614 states and 38334 transitions. [2022-11-18 20:22:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-11-18 20:22:06,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:06,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:22:06,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 20:22:06,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:22:06,666 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:06,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1546004851, now seen corresponding path program 1 times [2022-11-18 20:22:06,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:06,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712794531] [2022-11-18 20:22:06,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:06,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-18 20:22:07,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:07,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712794531] [2022-11-18 20:22:07,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712794531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:07,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:07,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:07,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464204364] [2022-11-18 20:22:07,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:07,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:22:07,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:07,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:22:07,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:07,403 INFO L87 Difference]: Start difference. First operand 35614 states and 38334 transitions. Second operand has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:09,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:09,079 INFO L93 Difference]: Finished difference Result 72893 states and 78533 transitions. [2022-11-18 20:22:09,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:22:09,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 394 [2022-11-18 20:22:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:09,113 INFO L225 Difference]: With dead ends: 72893 [2022-11-18 20:22:09,113 INFO L226 Difference]: Without dead ends: 37649 [2022-11-18 20:22:09,128 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 [2022-11-18 20:22:09,128 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 200 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:09,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 105 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:22:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37649 states. [2022-11-18 20:22:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37649 to 33762. [2022-11-18 20:22:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33762 states, 33761 states have (on average 1.0759752377003051) internal successors, (36326), 33761 states have internal predecessors, (36326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33762 states to 33762 states and 36326 transitions. [2022-11-18 20:22:09,597 INFO L78 Accepts]: Start accepts. Automaton has 33762 states and 36326 transitions. Word has length 394 [2022-11-18 20:22:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:09,597 INFO L495 AbstractCegarLoop]: Abstraction has 33762 states and 36326 transitions. [2022-11-18 20:22:09,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 33762 states and 36326 transitions. [2022-11-18 20:22:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-11-18 20:22:09,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:09,606 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:22:09,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:22:09,606 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:09,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:09,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1148113260, now seen corresponding path program 1 times [2022-11-18 20:22:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:09,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757262003] [2022-11-18 20:22:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-18 20:22:10,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:10,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757262003] [2022-11-18 20:22:10,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757262003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:10,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:10,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:10,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317931787] [2022-11-18 20:22:10,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:10,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:22:10,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:22:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:22:10,348 INFO L87 Difference]: Start difference. First operand 33762 states and 36326 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:11,519 INFO L93 Difference]: Finished difference Result 69174 states and 74442 transitions. [2022-11-18 20:22:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:22:11,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 434 [2022-11-18 20:22:11,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:11,555 INFO L225 Difference]: With dead ends: 69174 [2022-11-18 20:22:11,556 INFO L226 Difference]: Without dead ends: 35782 [2022-11-18 20:22:11,571 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 [2022-11-18 20:22:11,572 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 156 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:11,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 316 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:22:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35782 states. [2022-11-18 20:22:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35782 to 29520. [2022-11-18 20:22:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29520 states, 29519 states have (on average 1.0707679799451202) internal successors, (31608), 29519 states have internal predecessors, (31608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29520 states to 29520 states and 31608 transitions. [2022-11-18 20:22:11,972 INFO L78 Accepts]: Start accepts. Automaton has 29520 states and 31608 transitions. Word has length 434 [2022-11-18 20:22:11,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:11,973 INFO L495 AbstractCegarLoop]: Abstraction has 29520 states and 31608 transitions. [2022-11-18 20:22:11,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 29520 states and 31608 transitions. [2022-11-18 20:22:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-18 20:22:11,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:11,986 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:11,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:22:11,987 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:11,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:11,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1848032332, now seen corresponding path program 1 times [2022-11-18 20:22:11,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:11,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069547587] [2022-11-18 20:22:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 20:22:12,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:12,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069547587] [2022-11-18 20:22:12,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069547587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:12,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:12,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:12,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002073368] [2022-11-18 20:22:12,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:12,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:22:12,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:22:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:22:12,534 INFO L87 Difference]: Start difference. First operand 29520 states and 31608 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:13,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:13,559 INFO L93 Difference]: Finished difference Result 57758 states and 61913 transitions. [2022-11-18 20:22:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:22:13,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 468 [2022-11-18 20:22:13,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:13,588 INFO L225 Difference]: With dead ends: 57758 [2022-11-18 20:22:13,588 INFO L226 Difference]: Without dead ends: 30816 [2022-11-18 20:22:13,600 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 [2022-11-18 20:22:13,600 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 134 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:13,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 111 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:22:13,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30816 states. [2022-11-18 20:22:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30816 to 29152. [2022-11-18 20:22:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29152 states, 29151 states have (on average 1.0702205756234777) internal successors, (31198), 29151 states have internal predecessors, (31198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29152 states to 29152 states and 31198 transitions. [2022-11-18 20:22:14,179 INFO L78 Accepts]: Start accepts. Automaton has 29152 states and 31198 transitions. Word has length 468 [2022-11-18 20:22:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:14,180 INFO L495 AbstractCegarLoop]: Abstraction has 29152 states and 31198 transitions. [2022-11-18 20:22:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29152 states and 31198 transitions. [2022-11-18 20:22:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-11-18 20:22:14,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:14,187 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:14,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:22:14,188 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:14,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:14,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1117136727, now seen corresponding path program 1 times [2022-11-18 20:22:14,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:14,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078753130] [2022-11-18 20:22:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 269 proven. 132 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-18 20:22:14,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:14,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078753130] [2022-11-18 20:22:14,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078753130] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:22:14,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520157278] [2022-11-18 20:22:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:22:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:22:14,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:22:14,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:22:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:15,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:22:15,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:22:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-18 20:22:15,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:22:15,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520157278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:15,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:22:15,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-18 20:22:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99182115] [2022-11-18 20:22:15,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:15,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:22:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:15,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:22:15,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:22:15,439 INFO L87 Difference]: Start difference. First operand 29152 states and 31198 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:16,402 INFO L93 Difference]: Finished difference Result 55910 states and 59881 transitions. [2022-11-18 20:22:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:22:16,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 472 [2022-11-18 20:22:16,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:16,428 INFO L225 Difference]: With dead ends: 55910 [2022-11-18 20:22:16,429 INFO L226 Difference]: Without dead ends: 28782 [2022-11-18 20:22:16,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:22:16,441 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 120 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:16,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 163 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:22:16,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28782 states. [2022-11-18 20:22:16,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28782 to 28046. [2022-11-18 20:22:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28046 states, 28045 states have (on average 1.0686040292387236) internal successors, (29969), 28045 states have internal predecessors, (29969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28046 states to 28046 states and 29969 transitions. [2022-11-18 20:22:16,904 INFO L78 Accepts]: Start accepts. Automaton has 28046 states and 29969 transitions. Word has length 472 [2022-11-18 20:22:16,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:16,905 INFO L495 AbstractCegarLoop]: Abstraction has 28046 states and 29969 transitions. [2022-11-18 20:22:16,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:16,905 INFO L276 IsEmpty]: Start isEmpty. Operand 28046 states and 29969 transitions. [2022-11-18 20:22:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-11-18 20:22:16,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:16,914 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:22:16,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:22:17,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:22:17,115 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:17,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:17,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2131901513, now seen corresponding path program 1 times [2022-11-18 20:22:17,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:17,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109696832] [2022-11-18 20:22:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-18 20:22:18,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:18,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109696832] [2022-11-18 20:22:18,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109696832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:18,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:18,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:22:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925696354] [2022-11-18 20:22:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:18,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:22:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:22:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:22:18,454 INFO L87 Difference]: Start difference. First operand 28046 states and 29969 transitions. Second operand has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:20,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:20,681 INFO L93 Difference]: Finished difference Result 59353 states and 63381 transitions. [2022-11-18 20:22:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:22:20,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 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 523 [2022-11-18 20:22:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:20,709 INFO L225 Difference]: With dead ends: 59353 [2022-11-18 20:22:20,709 INFO L226 Difference]: Without dead ends: 33701 [2022-11-18 20:22:20,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:22:20,717 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 336 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:20,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 188 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:22:20,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33701 states. [2022-11-18 20:22:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33701 to 29152. [2022-11-18 20:22:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29152 states, 29151 states have (on average 1.069054234846146) internal successors, (31164), 29151 states have internal predecessors, (31164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29152 states to 29152 states and 31164 transitions. [2022-11-18 20:22:21,251 INFO L78 Accepts]: Start accepts. Automaton has 29152 states and 31164 transitions. Word has length 523 [2022-11-18 20:22:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:21,252 INFO L495 AbstractCegarLoop]: Abstraction has 29152 states and 31164 transitions. [2022-11-18 20:22:21,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29152 states and 31164 transitions. [2022-11-18 20:22:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-11-18 20:22:21,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:21,268 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:21,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 20:22:21,268 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:21,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:21,269 INFO L85 PathProgramCache]: Analyzing trace with hash 435204898, now seen corresponding path program 1 times [2022-11-18 20:22:21,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:21,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222324530] [2022-11-18 20:22:21,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 606 proven. 8 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-18 20:22:22,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222324530] [2022-11-18 20:22:22,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222324530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:22:22,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934992422] [2022-11-18 20:22:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:22:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:22:22,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:22:22,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:22:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:23,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:22:23,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:22:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 493 proven. 121 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-18 20:22:24,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:22:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 493 proven. 121 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-18 20:22:26,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934992422] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:22:26,007 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:22:26,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2022-11-18 20:22:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952003520] [2022-11-18 20:22:26,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:22:26,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:22:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:22:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:22:26,010 INFO L87 Difference]: Start difference. First operand 29152 states and 31164 transitions. Second operand has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:31,638 INFO L93 Difference]: Finished difference Result 65046 states and 69319 transitions. [2022-11-18 20:22:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 20:22:31,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 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 533 [2022-11-18 20:22:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:31,669 INFO L225 Difference]: With dead ends: 65046 [2022-11-18 20:22:31,669 INFO L226 Difference]: Without dead ends: 36251 [2022-11-18 20:22:31,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1095 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=864, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 20:22:31,683 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1271 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 4154 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 4888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 4154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:31,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 200 Invalid, 4888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [734 Valid, 4154 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-18 20:22:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36251 states. [2022-11-18 20:22:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36251 to 21775. [2022-11-18 20:22:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21775 states, 21774 states have (on average 1.050013777900248) internal successors, (22863), 21774 states have internal predecessors, (22863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21775 states to 21775 states and 22863 transitions. [2022-11-18 20:22:32,300 INFO L78 Accepts]: Start accepts. Automaton has 21775 states and 22863 transitions. Word has length 533 [2022-11-18 20:22:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:32,300 INFO L495 AbstractCegarLoop]: Abstraction has 21775 states and 22863 transitions. [2022-11-18 20:22:32,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21775 states and 22863 transitions. [2022-11-18 20:22:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-11-18 20:22:32,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:32,311 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:22:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:22:32,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-18 20:22:32,517 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:32,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:32,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1729367067, now seen corresponding path program 1 times [2022-11-18 20:22:32,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:32,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769305900] [2022-11-18 20:22:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:32,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 390 proven. 206 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-18 20:22:33,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:33,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769305900] [2022-11-18 20:22:33,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769305900] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:22:33,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084466427] [2022-11-18 20:22:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:22:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:22:33,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:22:33,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:22:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:33,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:22:33,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:22:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 341 proven. 255 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-18 20:22:35,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:22:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 527 proven. 69 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-18 20:22:38,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084466427] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:22:38,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:22:38,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 20:22:38,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394977209] [2022-11-18 20:22:38,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:22:38,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:22:38,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:38,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:22:38,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:22:38,624 INFO L87 Difference]: Start difference. First operand 21775 states and 22863 transitions. Second operand has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:43,071 INFO L93 Difference]: Finished difference Result 53331 states and 56044 transitions. [2022-11-18 20:22:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:22:43,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 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 536 [2022-11-18 20:22:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:43,106 INFO L225 Difference]: With dead ends: 53331 [2022-11-18 20:22:43,107 INFO L226 Difference]: Without dead ends: 31926 [2022-11-18 20:22:43,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1066 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:22:43,120 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 1180 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:43,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 144 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-18 20:22:43,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31926 states. [2022-11-18 20:22:43,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31926 to 26571. [2022-11-18 20:22:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26571 states, 26570 states have (on average 1.047986450884456) internal successors, (27845), 26570 states have internal predecessors, (27845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26571 states to 26571 states and 27845 transitions. [2022-11-18 20:22:43,569 INFO L78 Accepts]: Start accepts. Automaton has 26571 states and 27845 transitions. Word has length 536 [2022-11-18 20:22:43,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:43,569 INFO L495 AbstractCegarLoop]: Abstraction has 26571 states and 27845 transitions. [2022-11-18 20:22:43,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 26571 states and 27845 transitions. [2022-11-18 20:22:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-11-18 20:22:43,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:43,582 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-11-18 20:22:43,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:22:43,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-18 20:22:43,793 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:43,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:43,793 INFO L85 PathProgramCache]: Analyzing trace with hash -832566384, now seen corresponding path program 1 times [2022-11-18 20:22:43,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:43,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19877184] [2022-11-18 20:22:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-18 20:22:44,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19877184] [2022-11-18 20:22:44,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19877184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:44,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:44,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:44,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631433280] [2022-11-18 20:22:44,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:44,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:22:44,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:44,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:22:44,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:44,334 INFO L87 Difference]: Start difference. First operand 26571 states and 27845 transitions. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:45,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:45,519 INFO L93 Difference]: Finished difference Result 51486 states and 53969 transitions. [2022-11-18 20:22:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:22:45,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 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 554 [2022-11-18 20:22:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:45,538 INFO L225 Difference]: With dead ends: 51486 [2022-11-18 20:22:45,538 INFO L226 Difference]: Without dead ends: 23442 [2022-11-18 20:22:45,548 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 [2022-11-18 20:22:45,549 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 103 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:45,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 116 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:22:45,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2022-11-18 20:22:45,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14959. [2022-11-18 20:22:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14959 states, 14958 states have (on average 1.0451932076480812) internal successors, (15634), 14958 states have internal predecessors, (15634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14959 states to 14959 states and 15634 transitions. [2022-11-18 20:22:45,866 INFO L78 Accepts]: Start accepts. Automaton has 14959 states and 15634 transitions. Word has length 554 [2022-11-18 20:22:45,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:45,866 INFO L495 AbstractCegarLoop]: Abstraction has 14959 states and 15634 transitions. [2022-11-18 20:22:45,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14959 states and 15634 transitions. [2022-11-18 20:22:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2022-11-18 20:22:45,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:45,874 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-18 20:22:45,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-18 20:22:45,874 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:45,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -90709383, now seen corresponding path program 1 times [2022-11-18 20:22:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:45,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431063669] [2022-11-18 20:22:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-11-18 20:22:46,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:46,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431063669] [2022-11-18 20:22:46,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431063669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:46,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:46,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:46,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279104502] [2022-11-18 20:22:46,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:46,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:22:46,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:46,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:22:46,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:22:46,478 INFO L87 Difference]: Start difference. First operand 14959 states and 15634 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:47,252 INFO L93 Difference]: Finished difference Result 27144 states and 28353 transitions. [2022-11-18 20:22:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:22:47,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 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 670 [2022-11-18 20:22:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:47,261 INFO L225 Difference]: With dead ends: 27144 [2022-11-18 20:22:47,261 INFO L226 Difference]: Without dead ends: 10713 [2022-11-18 20:22:47,267 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 [2022-11-18 20:22:47,267 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:47,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 258 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 20:22:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10713 states. [2022-11-18 20:22:47,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10713 to 9237. [2022-11-18 20:22:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9237 states, 9236 states have (on average 1.031940233867475) internal successors, (9531), 9236 states have internal predecessors, (9531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9237 states to 9237 states and 9531 transitions. [2022-11-18 20:22:47,389 INFO L78 Accepts]: Start accepts. Automaton has 9237 states and 9531 transitions. Word has length 670 [2022-11-18 20:22:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:47,390 INFO L495 AbstractCegarLoop]: Abstraction has 9237 states and 9531 transitions. [2022-11-18 20:22:47,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9237 states and 9531 transitions. [2022-11-18 20:22:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2022-11-18 20:22:47,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:47,395 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:47,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-18 20:22:47,395 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:47,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:47,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1608734886, now seen corresponding path program 1 times [2022-11-18 20:22:47,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:47,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208097123] [2022-11-18 20:22:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 911 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-18 20:22:48,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:48,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208097123] [2022-11-18 20:22:48,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208097123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:48,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:48,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:22:48,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426055378] [2022-11-18 20:22:48,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:48,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:22:48,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:48,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:22:48,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:48,184 INFO L87 Difference]: Start difference. First operand 9237 states and 9531 transitions. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:49,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:49,266 INFO L93 Difference]: Finished difference Result 20133 states and 20782 transitions. [2022-11-18 20:22:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:22:49,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 677 [2022-11-18 20:22:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:49,273 INFO L225 Difference]: With dead ends: 20133 [2022-11-18 20:22:49,274 INFO L226 Difference]: Without dead ends: 9057 [2022-11-18 20:22:49,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:49,279 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 214 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:49,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 60 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:22:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9057 states. [2022-11-18 20:22:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9057 to 6102. [2022-11-18 20:22:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6102 states, 6101 states have (on average 1.0273725618751024) internal successors, (6268), 6101 states have internal predecessors, (6268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 6268 transitions. [2022-11-18 20:22:49,466 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 6268 transitions. Word has length 677 [2022-11-18 20:22:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:49,467 INFO L495 AbstractCegarLoop]: Abstraction has 6102 states and 6268 transitions. [2022-11-18 20:22:49,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 6268 transitions. [2022-11-18 20:22:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2022-11-18 20:22:49,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:49,473 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:49,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-18 20:22:49,473 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:49,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1890581185, now seen corresponding path program 1 times [2022-11-18 20:22:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:49,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393801578] [2022-11-18 20:22:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 921 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-18 20:22:50,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:50,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393801578] [2022-11-18 20:22:50,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393801578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:50,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:50,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:22:50,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377104920] [2022-11-18 20:22:50,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:50,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:22:50,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:50,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:22:50,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:50,313 INFO L87 Difference]: Start difference. First operand 6102 states and 6268 transitions. Second operand has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:51,258 INFO L93 Difference]: Finished difference Result 12947 states and 13295 transitions. [2022-11-18 20:22:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:22:51,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 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 733 [2022-11-18 20:22:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:51,265 INFO L225 Difference]: With dead ends: 12947 [2022-11-18 20:22:51,265 INFO L226 Difference]: Without dead ends: 6295 [2022-11-18 20:22:51,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:22:51,269 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 223 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:51,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 47 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:22:51,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2022-11-18 20:22:51,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 4814. [2022-11-18 20:22:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4814 states, 4813 states have (on average 1.0274257220029088) internal successors, (4945), 4813 states have internal predecessors, (4945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4814 states and 4945 transitions. [2022-11-18 20:22:51,378 INFO L78 Accepts]: Start accepts. Automaton has 4814 states and 4945 transitions. Word has length 733 [2022-11-18 20:22:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:51,378 INFO L495 AbstractCegarLoop]: Abstraction has 4814 states and 4945 transitions. [2022-11-18 20:22:51,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 4945 transitions. [2022-11-18 20:22:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2022-11-18 20:22:51,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:22:51,386 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:22:51,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-18 20:22:51,386 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:22:51,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:22:51,387 INFO L85 PathProgramCache]: Analyzing trace with hash 470610289, now seen corresponding path program 1 times [2022-11-18 20:22:51,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:22:51,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442134292] [2022-11-18 20:22:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:22:51,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:22:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:22:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 1018 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-11-18 20:22:52,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:22:52,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442134292] [2022-11-18 20:22:52,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442134292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:22:52,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:22:52,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:22:52,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437336761] [2022-11-18 20:22:52,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:22:52,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:22:52,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:22:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:22:52,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:22:52,113 INFO L87 Difference]: Start difference. First operand 4814 states and 4945 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:52,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:22:52,624 INFO L93 Difference]: Finished difference Result 6303 states and 6469 transitions. [2022-11-18 20:22:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:22:52,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 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 757 [2022-11-18 20:22:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:22:52,625 INFO L225 Difference]: With dead ends: 6303 [2022-11-18 20:22:52,625 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:22:52,627 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 [2022-11-18 20:22:52,627 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 83 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:22:52,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 16 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 20:22:52,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:22:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:22:52,628 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) [2022-11-18 20:22:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:22:52,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 757 [2022-11-18 20:22:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:22:52,629 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:22:52,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:22:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:22:52,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:22:52,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:22:52,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-18 20:22:52,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:24:48,630 WARN L233 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 1725 DAG size of output: 1708 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-18 20:26:51,296 WARN L233 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 1725 DAG size of output: 1708 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-18 20:27:13,502 WARN L233 SmtUtils]: Spent 22.19s on a formula simplification. DAG size of input: 1707 DAG size of output: 222 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 20:27:35,185 WARN L233 SmtUtils]: Spent 21.67s on a formula simplification. DAG size of input: 1707 DAG size of output: 222 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 20:27:35,190 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,191 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,192 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,193 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-18 20:27:35,194 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,195 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-18 20:27:35,196 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-18 20:27:35,196 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-18 20:27:35,196 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,196 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,196 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,197 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse38 (+ (* ~a29~0 3) (- 554771)))) (let ((.cse16 (<= 307 ~a23~0)) (.cse23 (<= ~a23~0 312)) (.cse13 (= ~a25~0 13)) (.cse8 (<= 260 ~a29~0)) (.cse19 (<= ~a25~0 10)) (.cse9 (= ~a25~0 12)) (.cse5 (<= ~a23~0 247)) (.cse22 (<= ~a29~0 274)) (.cse2 (= ~a4~0 1)) (.cse3 (= ~a8~0 15)) (.cse7 (<= 130 ~a29~0)) (.cse37 (div .cse38 25)) (.cse4 (= ~a25~0 10)) (.cse39 (not (<= ~a29~0 277)))) (let ((.cse20 (or .cse39 (not (= ~a25~0 9)))) (.cse21 (or .cse39 (not .cse4))) (.cse0 (<= ~a23~0 599997)) (.cse29 (<= ~a29~0 232)) (.cse24 (<= ~a29~0 220)) (.cse27 (<= ~a25~0 9)) (.cse11 (or (< 0 (+ 115704 .cse37)) (not (= (mod (div .cse38 5) 5) 0)))) (.cse12 (< 0 (+ 115705 .cse37))) (.cse15 (<= ~a29~0 130)) (.cse34 (let ((.cse36 (<= 115953 ~a29~0))) (or (and .cse13 .cse16 .cse2 .cse23 .cse3 .cse36) (and .cse13 .cse5 .cse22 .cse2 .cse3 .cse7) (and .cse8 .cse5 .cse19 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse36) (and .cse9 .cse5 .cse22 .cse2 .cse3 .cse7)))) (.cse30 (<= (+ ~a23~0 55) 0)) (.cse25 (<= ~a29~0 140)) (.cse10 (<= ~a4~0 0)) (.cse28 (<= 141 ~a29~0)) (.cse33 (<= 21782 ~a23~0)) (.cse6 (= ~a25~0 11)) (.cse31 (<= 93781 ~a29~0)) (.cse14 (<= 0 (+ ~a23~0 599772))) (.cse32 (<= 253 ~a29~0)) (.cse17 (<= ~a23~0 600000)) (.cse26 (not (<= (+ ~a23~0 43) 0))) (.cse18 (<= 246 ~a29~0)) (.cse1 (= ~a3~0 1)) (.cse35 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0))))) (or (and .cse0 .cse1 .cse2 (<= 0 (+ ~a29~0 554195)) .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse7) (and .cse8 (<= ~a29~0 275) .cse9 .cse1 .cse3 .cse10) (and .cse11 .cse0 .cse12 (or (and .cse13 .cse14 .cse1 .cse2 .cse3 .cse15) (and .cse13 .cse16 .cse1 .cse2 .cse3))) (and .cse17 .cse6 .cse1 .cse2 .cse3 .cse18 .cse7) (and .cse17 .cse8 .cse19 .cse1 .cse20 .cse2 .cse3 .cse21) (and .cse9 .cse22 .cse1 .cse2 .cse23 .cse3 .cse18 .cse7) (and .cse13 .cse1 .cse24 .cse2 .cse23 .cse3 .cse7) (and .cse11 .cse25 .cse12 .cse1 .cse26 .cse2 .cse23 .cse27 .cse3) (and .cse9 .cse22 .cse1 .cse3 .cse18 .cse10 .cse7) (and .cse13 .cse22 .cse28 .cse1 .cse2 .cse29 .cse3 .cse7) (and .cse30 .cse11 .cse19 .cse12 .cse1 .cse3 .cse15) (and .cse8 .cse19 .cse1 .cse20 .cse2 .cse31 .cse3 .cse21) (and .cse9 .cse5 .cse22 .cse1 .cse32 .cse3) (and .cse14 .cse5 .cse6 .cse22 .cse1 .cse32 .cse3) (and .cse30 .cse11 .cse6 .cse12 .cse1 .cse3 .cse15) (and .cse0 .cse28 (or (and .cse9 .cse22 .cse1 .cse33 .cse2 .cse29 .cse3 .cse7) (and (or (and .cse9 .cse16 .cse1 .cse24 .cse3) (and .cse6 .cse1 .cse24 .cse3)) .cse2))) (and .cse1 .cse34 (or .cse13 .cse9)) (and .cse14 .cse1 (or (and .cse13 .cse5 .cse2 .cse3 .cse15) (and .cse5 .cse19 .cse2 .cse3 .cse15) (and .cse9 .cse5 .cse2 .cse3))) (and .cse5 (<= 10250 ~a29~0) .cse1 .cse27 .cse3) (and .cse30 (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse11 .cse9 .cse14 .cse12 .cse1 .cse3 .cse10 .cse15) (and (or (and .cse1 .cse34) (and .cse5 .cse19 .cse1 .cse2 .cse3 .cse18)) .cse26) (and .cse5 .cse2 .cse3 .cse4) (and .cse30 .cse9 .cse22 .cse1 .cse3 (not .cse25) .cse10 .cse7) (and .cse9 .cse14 .cse5 .cse22 .cse1 .cse3 .cse18) (and .cse22 .cse19 .cse28 .cse1 .cse33 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse31 .cse3 .cse18 .cse7) (and .cse13 .cse14 .cse5 .cse22 .cse1 .cse32 .cse3) (and .cse17 (or (and .cse9 .cse16 .cse35 .cse1 .cse2 .cse3 .cse18) (and .cse13 .cse22 (<= 192 ~a29~0) .cse1 .cse2 .cse3 .cse7))) (and .cse13 .cse8 .cse1 .cse26 .cse2 .cse23 .cse3) (and (or (and .cse16 .cse19 .cse1 .cse2 .cse3 .cse18) (and .cse8 .cse19 .cse1 .cse2 .cse3)) .cse35))))) [2022-11-18 20:27:35,197 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,197 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-18 20:27:35,197 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-18 20:27:35,197 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-18 20:27:35,198 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,199 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-18 20:27:35,200 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,201 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,202 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,202 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-18 20:27:35,202 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-18 20:27:35,202 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-18 20:27:35,202 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,203 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse38 (+ (* ~a29~0 3) (- 554771)))) (let ((.cse16 (<= 307 ~a23~0)) (.cse23 (<= ~a23~0 312)) (.cse13 (= ~a25~0 13)) (.cse8 (<= 260 ~a29~0)) (.cse19 (<= ~a25~0 10)) (.cse9 (= ~a25~0 12)) (.cse5 (<= ~a23~0 247)) (.cse22 (<= ~a29~0 274)) (.cse2 (= ~a4~0 1)) (.cse3 (= ~a8~0 15)) (.cse7 (<= 130 ~a29~0)) (.cse37 (div .cse38 25)) (.cse4 (= ~a25~0 10)) (.cse39 (not (<= ~a29~0 277)))) (let ((.cse20 (or .cse39 (not (= ~a25~0 9)))) (.cse21 (or .cse39 (not .cse4))) (.cse0 (<= ~a23~0 599997)) (.cse29 (<= ~a29~0 232)) (.cse24 (<= ~a29~0 220)) (.cse27 (<= ~a25~0 9)) (.cse11 (or (< 0 (+ 115704 .cse37)) (not (= (mod (div .cse38 5) 5) 0)))) (.cse12 (< 0 (+ 115705 .cse37))) (.cse15 (<= ~a29~0 130)) (.cse34 (let ((.cse36 (<= 115953 ~a29~0))) (or (and .cse13 .cse16 .cse2 .cse23 .cse3 .cse36) (and .cse13 .cse5 .cse22 .cse2 .cse3 .cse7) (and .cse8 .cse5 .cse19 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse36) (and .cse9 .cse5 .cse22 .cse2 .cse3 .cse7)))) (.cse30 (<= (+ ~a23~0 55) 0)) (.cse25 (<= ~a29~0 140)) (.cse10 (<= ~a4~0 0)) (.cse28 (<= 141 ~a29~0)) (.cse33 (<= 21782 ~a23~0)) (.cse6 (= ~a25~0 11)) (.cse31 (<= 93781 ~a29~0)) (.cse14 (<= 0 (+ ~a23~0 599772))) (.cse32 (<= 253 ~a29~0)) (.cse17 (<= ~a23~0 600000)) (.cse26 (not (<= (+ ~a23~0 43) 0))) (.cse18 (<= 246 ~a29~0)) (.cse1 (= ~a3~0 1)) (.cse35 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0))))) (or (and .cse0 .cse1 .cse2 (<= 0 (+ ~a29~0 554195)) .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse7) (and .cse8 (<= ~a29~0 275) .cse9 .cse1 .cse3 .cse10) (and .cse11 .cse0 .cse12 (or (and .cse13 .cse14 .cse1 .cse2 .cse3 .cse15) (and .cse13 .cse16 .cse1 .cse2 .cse3))) (and .cse17 .cse6 .cse1 .cse2 .cse3 .cse18 .cse7) (and .cse17 .cse8 .cse19 .cse1 .cse20 .cse2 .cse3 .cse21) (and .cse9 .cse22 .cse1 .cse2 .cse23 .cse3 .cse18 .cse7) (and .cse13 .cse1 .cse24 .cse2 .cse23 .cse3 .cse7) (and .cse11 .cse25 .cse12 .cse1 .cse26 .cse2 .cse23 .cse27 .cse3) (and .cse9 .cse22 .cse1 .cse3 .cse18 .cse10 .cse7) (and .cse13 .cse22 .cse28 .cse1 .cse2 .cse29 .cse3 .cse7) (and .cse30 .cse11 .cse19 .cse12 .cse1 .cse3 .cse15) (and .cse8 .cse19 .cse1 .cse20 .cse2 .cse31 .cse3 .cse21) (and .cse9 .cse5 .cse22 .cse1 .cse32 .cse3) (and .cse14 .cse5 .cse6 .cse22 .cse1 .cse32 .cse3) (and .cse30 .cse11 .cse6 .cse12 .cse1 .cse3 .cse15) (and .cse0 .cse28 (or (and .cse9 .cse22 .cse1 .cse33 .cse2 .cse29 .cse3 .cse7) (and (or (and .cse9 .cse16 .cse1 .cse24 .cse3) (and .cse6 .cse1 .cse24 .cse3)) .cse2))) (and .cse1 .cse34 (or .cse13 .cse9)) (and .cse14 .cse1 (or (and .cse13 .cse5 .cse2 .cse3 .cse15) (and .cse5 .cse19 .cse2 .cse3 .cse15) (and .cse9 .cse5 .cse2 .cse3))) (and .cse5 (<= 10250 ~a29~0) .cse1 .cse27 .cse3) (and .cse30 (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse11 .cse9 .cse14 .cse12 .cse1 .cse3 .cse10 .cse15) (and (or (and .cse1 .cse34) (and .cse5 .cse19 .cse1 .cse2 .cse3 .cse18)) .cse26) (and .cse5 .cse2 .cse3 .cse4) (and .cse30 .cse9 .cse22 .cse1 .cse3 (not .cse25) .cse10 .cse7) (and .cse9 .cse14 .cse5 .cse22 .cse1 .cse3 .cse18) (and .cse22 .cse19 .cse28 .cse1 .cse33 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse31 .cse3 .cse18 .cse7) (and .cse13 .cse14 .cse5 .cse22 .cse1 .cse32 .cse3) (and .cse17 (or (and .cse9 .cse16 .cse35 .cse1 .cse2 .cse3 .cse18) (and .cse13 .cse22 (<= 192 ~a29~0) .cse1 .cse2 .cse3 .cse7))) (and .cse13 .cse8 .cse1 .cse26 .cse2 .cse23 .cse3) (and (or (and .cse16 .cse19 .cse1 .cse2 .cse3 .cse18) (and .cse8 .cse19 .cse1 .cse2 .cse3)) .cse35))))) [2022-11-18 20:27:35,203 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,203 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,204 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-18 20:27:35,205 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,206 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-18 20:27:35,207 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,208 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,209 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,210 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,211 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2022-11-18 20:27:35,212 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,213 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-18 20:27:35,214 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,215 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-18 20:27:35,216 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,217 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,218 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-18 20:27:35,219 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,220 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-18 20:27:35,221 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,222 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,223 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,224 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-18 20:27:35,225 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,226 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,227 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-18 20:27:35,228 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,229 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-18 20:27:35,230 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,231 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,232 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,233 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,234 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-18 20:27:35,234 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-18 20:27:35,234 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-18 20:27:35,234 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-18 20:27:35,237 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:35,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:27:35,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:27:35 BoogieIcfgContainer [2022-11-18 20:27:35,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:27:35,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:27:35,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:27:35,283 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:27:35,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:14" (3/4) ... [2022-11-18 20:27:35,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:27:35,306 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 20:27:35,308 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:27:35,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:27:35,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:27:35,432 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:27:35,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:27:35,433 INFO L158 Benchmark]: Toolchain (without parser) took 384453.22ms. Allocated memory was 113.2MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 71.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-18 20:27:35,433 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:35,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.08ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 54.4MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:27:35,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.11ms. Allocated memory is still 113.2MB. Free memory was 54.4MB in the beginning and 78.4MB in the end (delta: -24.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-11-18 20:27:35,434 INFO L158 Benchmark]: Boogie Preprocessor took 179.35ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 73.6MB in the end (delta: 4.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:35,434 INFO L158 Benchmark]: RCFGBuilder took 1882.07ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 73.6MB in the beginning and 95.9MB in the end (delta: -22.2MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-11-18 20:27:35,435 INFO L158 Benchmark]: TraceAbstraction took 381158.26ms. Allocated memory was 163.6MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 94.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-18 20:27:35,435 INFO L158 Benchmark]: Witness Printer took 149.27ms. Allocated memory is still 2.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:27:35,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.08ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 54.4MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.11ms. Allocated memory is still 113.2MB. Free memory was 54.4MB in the beginning and 78.4MB in the end (delta: -24.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.35ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 73.6MB in the end (delta: 4.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1882.07ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 73.6MB in the beginning and 95.9MB in the end (delta: -22.2MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * TraceAbstraction took 381158.26ms. Allocated memory was 163.6MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 94.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 149.27ms. Allocated memory is still 2.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 169]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 381.0s, OverallIterations: 32, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 54.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 282.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12846 SdHoareTripleChecker+Valid, 45.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12846 mSDsluCounter, 5517 SdHoareTripleChecker+Invalid, 38.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1085 mSDsCounter, 5881 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34026 IncrementalHoareTripleChecker+Invalid, 39907 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5881 mSolverCounterUnsat, 4432 mSDtfsCounter, 34026 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3869 GetRequests, 3736 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35614occurred in iteration=20, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 32 MinimizatonAttempts, 69729 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 2423 HoareAnnotationTreeSize, 3 FomulaSimplifications, 657026 FormulaSimplificationTreeSizeReduction, 238.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2374598 FormulaSimplificationTreeSizeReductionInter, 43.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 30.2s InterpolantComputationTime, 14167 NumberOfCodeBlocks, 14167 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 15585 ConstructedInterpolants, 0 QuantifiedInterpolants, 64041 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3083 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 40 InterpolantComputations, 29 PerfectInterpolantSequences, 18506/20113 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a23 <= 599997 && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a8 == 15) && a25 == 10) || ((((a23 <= 247 && a25 == 11) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((((0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && a23 <= 599997) && 0 < 115705 + (a29 * 3 + -554771) / 25) && ((((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130) || ((((a25 == 13 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)))) || ((((((a23 <= 600000 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || (((((((a23 <= 600000 && 260 <= a29) && a25 <= 10) && a3 == 1) && (!(a29 <= 277) || !(a25 == 9))) && a4 == 1) && a8 == 15) && (!(a29 <= 277) || !(a25 == 10)))) || (((((((a25 == 12 && a29 <= 274) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((((((0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && a29 <= 140) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29) && a4 <= 0) && 130 <= a29)) || (((((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29)) || ((((((a23 + 55 <= 0 && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 <= 10) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a29 <= 130)) || (((((((260 <= a29 && a25 <= 10) && a3 == 1) && (!(a29 <= 277) || !(a25 == 9))) && a4 == 1) && 93781 <= a29) && a8 == 15) && (!(a29 <= 277) || !(a25 == 10)))) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || ((((((0 <= a23 + 599772 && a23 <= 247) && a25 == 11) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || ((((((a23 + 55 <= 0 && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 == 11) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a29 <= 130)) || ((a23 <= 599997 && 141 <= a29) && ((((((((a25 == 12 && a29 <= 274) && a3 == 1) && 21782 <= a23) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a8 == 15) || (((a25 == 11 && a3 == 1) && a29 <= 220) && a8 == 15)) && a4 == 1)))) || ((a3 == 1 && (((((((((a25 == 13 && 307 <= a23) && a4 == 1) && a23 <= 312) && a8 == 15) && 115953 <= a29) || (((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a23 <= 247) && a25 <= 10) && a4 == 1) && a8 == 15)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29))) && (a25 == 13 || a25 == 12))) || ((0 <= a23 + 599772 && a3 == 1) && ((((((a25 == 13 && a23 <= 247) && a4 == 1) && a8 == 15) && a29 <= 130) || ((((a23 <= 247 && a25 <= 10) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((a25 == 12 && a23 <= 247) && a4 == 1) && a8 == 15)))) || ((((a23 <= 247 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || (((((((((a23 + 55 <= 0 && !(input == 3)) && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 == 12) && 0 <= a23 + 599772) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((a3 == 1 && (((((((((a25 == 13 && 307 <= a23) && a4 == 1) && a23 <= 312) && a8 == 15) && 115953 <= a29) || (((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a23 <= 247) && a25 <= 10) && a4 == 1) && a8 == 15)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29))) || (((((a23 <= 247 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29)) && !(a23 + 43 <= 0))) || (((a23 <= 247 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((((a23 + 55 <= 0 && a25 == 12) && a29 <= 274) && a3 == 1) && a8 == 15) && !(a29 <= 140)) && a4 <= 0) && 130 <= a29)) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 274 && a25 <= 10) && 141 <= a29) && a3 == 1) && 21782 <= a23) && a4 == 1) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && a4 == 1) && 93781 <= a29) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 13 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || (a23 <= 600000 && (((((((a25 == 12 && 307 <= a23) && (!(306 < a23) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) || ((((((a25 == 13 && a29 <= 274) && 192 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)))) || ((((((a25 == 13 && 260 <= a29) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) || ((((260 <= a29 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) && (!(306 < a23) || !(277 < a29))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a23 <= 599997 && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a8 == 15) && a25 == 10) || ((((a23 <= 247 && a25 == 11) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((((0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && a23 <= 599997) && 0 < 115705 + (a29 * 3 + -554771) / 25) && ((((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130) || ((((a25 == 13 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)))) || ((((((a23 <= 600000 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || (((((((a23 <= 600000 && 260 <= a29) && a25 <= 10) && a3 == 1) && (!(a29 <= 277) || !(a25 == 9))) && a4 == 1) && a8 == 15) && (!(a29 <= 277) || !(a25 == 10)))) || (((((((a25 == 12 && a29 <= 274) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((((((0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && a29 <= 140) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29) && a4 <= 0) && 130 <= a29)) || (((((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29)) || ((((((a23 + 55 <= 0 && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 <= 10) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a29 <= 130)) || (((((((260 <= a29 && a25 <= 10) && a3 == 1) && (!(a29 <= 277) || !(a25 == 9))) && a4 == 1) && 93781 <= a29) && a8 == 15) && (!(a29 <= 277) || !(a25 == 10)))) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || ((((((0 <= a23 + 599772 && a23 <= 247) && a25 == 11) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || ((((((a23 + 55 <= 0 && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 == 11) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a29 <= 130)) || ((a23 <= 599997 && 141 <= a29) && ((((((((a25 == 12 && a29 <= 274) && a3 == 1) && 21782 <= a23) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a8 == 15) || (((a25 == 11 && a3 == 1) && a29 <= 220) && a8 == 15)) && a4 == 1)))) || ((a3 == 1 && (((((((((a25 == 13 && 307 <= a23) && a4 == 1) && a23 <= 312) && a8 == 15) && 115953 <= a29) || (((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a23 <= 247) && a25 <= 10) && a4 == 1) && a8 == 15)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29))) && (a25 == 13 || a25 == 12))) || ((0 <= a23 + 599772 && a3 == 1) && ((((((a25 == 13 && a23 <= 247) && a4 == 1) && a8 == 15) && a29 <= 130) || ((((a23 <= 247 && a25 <= 10) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((a25 == 12 && a23 <= 247) && a4 == 1) && a8 == 15)))) || ((((a23 <= 247 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || (((((((((a23 + 55 <= 0 && !(input == 3)) && (0 < 115704 + (a29 * 3 + -554771) / 25 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a25 == 12) && 0 <= a23 + 599772) && 0 < 115705 + (a29 * 3 + -554771) / 25) && a3 == 1) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((a3 == 1 && (((((((((a25 == 13 && 307 <= a23) && a4 == 1) && a23 <= 312) && a8 == 15) && 115953 <= a29) || (((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a23 <= 247) && a25 <= 10) && a4 == 1) && a8 == 15)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29))) || (((((a23 <= 247 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29)) && !(a23 + 43 <= 0))) || (((a23 <= 247 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((((a23 + 55 <= 0 && a25 == 12) && a29 <= 274) && a3 == 1) && a8 == 15) && !(a29 <= 140)) && a4 <= 0) && 130 <= a29)) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 274 && a25 <= 10) && 141 <= a29) && a3 == 1) && 21782 <= a23) && a4 == 1) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && a4 == 1) && 93781 <= a29) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 13 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || (a23 <= 600000 && (((((((a25 == 12 && 307 <= a23) && (!(306 < a23) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) || ((((((a25 == 13 && a29 <= 274) && 192 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)))) || ((((((a25 == 13 && 260 <= a29) && a3 == 1) && !(a23 + 43 <= 0)) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) || ((((260 <= a29 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) && (!(306 < a23) || !(277 < a29))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:27:35,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4531a1-53e9-49cf-8642-a13842b64b2d/bin/uautomizer-TMbwUNV5ro/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