./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN --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 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de --- 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-6b4ec56 [2022-11-20 09:27:08,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:08,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:08,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:08,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:08,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:08,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:08,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:08,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:08,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:08,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:08,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:08,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:08,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:08,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:08,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:08,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:08,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:08,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:08,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:08,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:08,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:08,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:08,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:08,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:08,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:08,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:08,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:08,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:08,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:08,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:08,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:08,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:08,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:08,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:08,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:08,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:08,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:08,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:08,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:08,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:08,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:27:08,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:08,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:08,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:08,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:08,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:08,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:08,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:08,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:08,664 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:08,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:08,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:27:08,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:08,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:27:08,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:08,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:08,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:08,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:08,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:27:08,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:08,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:08,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:08,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:08,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:08,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:08,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:08,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:08,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:08,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:08,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:08,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:08,669 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:08,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:08,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:08,669 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_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de [2022-11-20 09:27:08,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:08,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:08,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:08,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:08,965 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:08,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2022-11-20 09:27:11,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:12,395 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:12,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2022-11-20 09:27:12,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/data/c26275c10/96a7904b3b3c4bbcbfa411466715a1d9/FLAG1d6071975 [2022-11-20 09:27:12,436 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/data/c26275c10/96a7904b3b3c4bbcbfa411466715a1d9 [2022-11-20 09:27:12,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:12,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:12,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:12,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:12,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:12,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d60cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12, skipping insertion in model container [2022-11-20 09:27:12,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:12,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:12,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2022-11-20 09:27:13,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:13,441 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:13,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2022-11-20 09:27:13,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:13,745 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:13,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13 WrapperNode [2022-11-20 09:27:13,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:13,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:13,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:13,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:13,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,023 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-11-20 09:27:14,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:14,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:14,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:14,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:14,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:14,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:14,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:14,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:14,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:14,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:14,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:14,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:14,438 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:14,441 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:17,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:17,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:17,922 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:27:17,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:17 BoogieIcfgContainer [2022-11-20 09:27:17,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:17,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:17,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:17,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:17,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:12" (1/3) ... [2022-11-20 09:27:17,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598584e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:17, skipping insertion in model container [2022-11-20 09:27:17,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (2/3) ... [2022-11-20 09:27:17,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598584e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:17, skipping insertion in model container [2022-11-20 09:27:17,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:17" (3/3) ... [2022-11-20 09:27:17,942 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label49.c [2022-11-20 09:27:17,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:17,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:18,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:18,071 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;@7938e5f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:18,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 09:27:18,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:18,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:18,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:18,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:18,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2022-11-20 09:27:18,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:18,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648375093] [2022-11-20 09:27:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:18,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:18,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648375093] [2022-11-20 09:27:18,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648375093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:18,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:18,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:18,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925793860] [2022-11-20 09:27:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:18,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:18,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:18,817 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:22,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:22,217 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2022-11-20 09:27:22,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:22,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-11-20 09:27:22,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:22,244 INFO L225 Difference]: With dead ends: 1191 [2022-11-20 09:27:22,244 INFO L226 Difference]: Without dead ends: 688 [2022-11-20 09:27:22,248 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 [2022-11-20 09:27:22,255 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 319 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:22,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 230 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 09:27:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-11-20 09:27:22,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2022-11-20 09:27:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2022-11-20 09:27:22,342 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 52 [2022-11-20 09:27:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:22,343 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2022-11-20 09:27:22,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2022-11-20 09:27:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 09:27:22,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:22,347 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, 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] [2022-11-20 09:27:22,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:27:22,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:22,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:22,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1878954897, now seen corresponding path program 1 times [2022-11-20 09:27:22,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:22,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543691606] [2022-11-20 09:27:22,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:22,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:22,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:22,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543691606] [2022-11-20 09:27:22,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543691606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:22,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:22,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:22,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544015414] [2022-11-20 09:27:22,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:22,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:22,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:22,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:22,788 INFO L87 Difference]: Start difference. First operand 680 states and 1093 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) [2022-11-20 09:27:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:24,981 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2022-11-20 09:27:24,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:24,982 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 [2022-11-20 09:27:24,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:24,988 INFO L225 Difference]: With dead ends: 1964 [2022-11-20 09:27:24,988 INFO L226 Difference]: Without dead ends: 1286 [2022-11-20 09:27:24,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:24,992 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:24,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 360 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 09:27:24,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-11-20 09:27:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2022-11-20 09:27:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2022-11-20 09:27:25,038 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 120 [2022-11-20 09:27:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:25,039 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2022-11-20 09:27:25,040 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) [2022-11-20 09:27:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2022-11-20 09:27:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 09:27:25,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:25,044 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, 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] [2022-11-20 09:27:25,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:27:25,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:25,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:25,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1194964867, now seen corresponding path program 1 times [2022-11-20 09:27:25,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:25,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323780531] [2022-11-20 09:27:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:25,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:25,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323780531] [2022-11-20 09:27:25,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323780531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:25,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:25,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:25,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533486482] [2022-11-20 09:27:25,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:25,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:25,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:25,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:25,227 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:28,307 INFO L93 Difference]: Finished difference Result 3766 states and 5246 transitions. [2022-11-20 09:27:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:28,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-11-20 09:27:28,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:28,322 INFO L225 Difference]: With dead ends: 3766 [2022-11-20 09:27:28,322 INFO L226 Difference]: Without dead ends: 2487 [2022-11-20 09:27:28,328 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 [2022-11-20 09:27:28,332 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 276 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:28,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:27:28,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2022-11-20 09:27:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2487. [2022-11-20 09:27:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.244569589702333) internal successors, (3094), 2486 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3094 transitions. [2022-11-20 09:27:28,421 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3094 transitions. Word has length 128 [2022-11-20 09:27:28,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:28,422 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3094 transitions. [2022-11-20 09:27:28,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3094 transitions. [2022-11-20 09:27:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-20 09:27:28,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:28,439 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, 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] [2022-11-20 09:27:28,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:27:28,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:28,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:28,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1487686959, now seen corresponding path program 1 times [2022-11-20 09:27:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:28,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002580611] [2022-11-20 09:27:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:28,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:28,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:28,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002580611] [2022-11-20 09:27:28,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002580611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:28,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:28,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:28,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597316495] [2022-11-20 09:27:28,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:28,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:28,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:28,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:28,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:28,622 INFO L87 Difference]: Start difference. First operand 2487 states and 3094 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:31,100 INFO L93 Difference]: Finished difference Result 6173 states and 7859 transitions. [2022-11-20 09:27:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:31,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-11-20 09:27:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:31,114 INFO L225 Difference]: With dead ends: 6173 [2022-11-20 09:27:31,114 INFO L226 Difference]: Without dead ends: 3688 [2022-11-20 09:27:31,117 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 [2022-11-20 09:27:31,118 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 233 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:31,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 364 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:27:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-11-20 09:27:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3387. [2022-11-20 09:27:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3386 states have (on average 1.2114589486119314) internal successors, (4102), 3386 states have internal predecessors, (4102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4102 transitions. [2022-11-20 09:27:31,199 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4102 transitions. Word has length 134 [2022-11-20 09:27:31,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:31,200 INFO L495 AbstractCegarLoop]: Abstraction has 3387 states and 4102 transitions. [2022-11-20 09:27:31,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4102 transitions. [2022-11-20 09:27:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-20 09:27:31,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:31,207 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:31,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:27:31,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:31,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash 649952050, now seen corresponding path program 1 times [2022-11-20 09:27:31,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:31,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958457309] [2022-11-20 09:27:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-20 09:27:31,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:31,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958457309] [2022-11-20 09:27:31,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958457309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:31,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:31,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919746993] [2022-11-20 09:27:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:31,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:31,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:31,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:31,662 INFO L87 Difference]: Start difference. First operand 3387 states and 4102 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:34,162 INFO L93 Difference]: Finished difference Result 9172 states and 11160 transitions. [2022-11-20 09:27:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:34,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 248 [2022-11-20 09:27:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:34,182 INFO L225 Difference]: With dead ends: 9172 [2022-11-20 09:27:34,182 INFO L226 Difference]: Without dead ends: 5787 [2022-11-20 09:27:34,186 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 [2022-11-20 09:27:34,187 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 117 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:34,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 317 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:27:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2022-11-20 09:27:34,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5186. [2022-11-20 09:27:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 5185 states have (on average 1.1778206364513018) internal successors, (6107), 5185 states have internal predecessors, (6107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6107 transitions. [2022-11-20 09:27:34,299 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6107 transitions. Word has length 248 [2022-11-20 09:27:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:34,300 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 6107 transitions. [2022-11-20 09:27:34,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6107 transitions. [2022-11-20 09:27:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-20 09:27:34,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:34,307 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:34,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:27:34,308 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1477243746, now seen corresponding path program 1 times [2022-11-20 09:27:34,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:34,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898355569] [2022-11-20 09:27:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 09:27:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:35,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898355569] [2022-11-20 09:27:35,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898355569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:35,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:35,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967887325] [2022-11-20 09:27:35,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:35,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:35,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:35,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:35,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:35,090 INFO L87 Difference]: Start difference. First operand 5186 states and 6107 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:37,343 INFO L93 Difference]: Finished difference Result 10669 states and 12523 transitions. [2022-11-20 09:27:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:37,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 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 329 [2022-11-20 09:27:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:37,364 INFO L225 Difference]: With dead ends: 10669 [2022-11-20 09:27:37,365 INFO L226 Difference]: Without dead ends: 5485 [2022-11-20 09:27:37,370 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 [2022-11-20 09:27:37,374 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:37,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 09:27:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2022-11-20 09:27:37,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5485. [2022-11-20 09:27:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 5484 states have (on average 1.1692195477753464) internal successors, (6412), 5484 states have internal predecessors, (6412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 6412 transitions. [2022-11-20 09:27:37,487 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 6412 transitions. Word has length 329 [2022-11-20 09:27:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:37,488 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 6412 transitions. [2022-11-20 09:27:37,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 6412 transitions. [2022-11-20 09:27:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-20 09:27:37,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:37,494 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:37,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:27:37,494 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:37,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:37,495 INFO L85 PathProgramCache]: Analyzing trace with hash -68625954, now seen corresponding path program 1 times [2022-11-20 09:27:37,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:37,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28676993] [2022-11-20 09:27:37,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 09:27:37,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:37,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28676993] [2022-11-20 09:27:37,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28676993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:37,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:37,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602169295] [2022-11-20 09:27:37,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:37,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:37,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:37,744 INFO L87 Difference]: Start difference. First operand 5485 states and 6412 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:40,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:40,417 INFO L93 Difference]: Finished difference Result 12762 states and 15152 transitions. [2022-11-20 09:27:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:40,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 339 [2022-11-20 09:27:40,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:40,450 INFO L225 Difference]: With dead ends: 12762 [2022-11-20 09:27:40,451 INFO L226 Difference]: Without dead ends: 7578 [2022-11-20 09:27:40,456 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 [2022-11-20 09:27:40,457 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 263 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:40,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:27:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7578 states. [2022-11-20 09:27:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7578 to 4883. [2022-11-20 09:27:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 4882 states have (on average 1.1798443260958624) internal successors, (5760), 4882 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 5760 transitions. [2022-11-20 09:27:40,563 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 5760 transitions. Word has length 339 [2022-11-20 09:27:40,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:40,564 INFO L495 AbstractCegarLoop]: Abstraction has 4883 states and 5760 transitions. [2022-11-20 09:27:40,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 5760 transitions. [2022-11-20 09:27:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-20 09:27:40,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:40,573 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:40,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:27:40,574 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:40,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash 746881843, now seen corresponding path program 1 times [2022-11-20 09:27:40,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:40,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204197277] [2022-11-20 09:27:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:41,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204197277] [2022-11-20 09:27:41,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204197277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:41,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:41,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933546958] [2022-11-20 09:27:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:41,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:41,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:41,077 INFO L87 Difference]: Start difference. First operand 4883 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:43,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:43,308 INFO L93 Difference]: Finished difference Result 11270 states and 13601 transitions. [2022-11-20 09:27:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:43,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 404 [2022-11-20 09:27:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:43,333 INFO L225 Difference]: With dead ends: 11270 [2022-11-20 09:27:43,333 INFO L226 Difference]: Without dead ends: 6688 [2022-11-20 09:27:43,338 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 [2022-11-20 09:27:43,340 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:43,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 603 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 09:27:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6688 states. [2022-11-20 09:27:43,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6688 to 6087. [2022-11-20 09:27:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6087 states, 6086 states have (on average 1.1625041077883667) internal successors, (7075), 6086 states have internal predecessors, (7075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 7075 transitions. [2022-11-20 09:27:43,478 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 7075 transitions. Word has length 404 [2022-11-20 09:27:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:43,480 INFO L495 AbstractCegarLoop]: Abstraction has 6087 states and 7075 transitions. [2022-11-20 09:27:43,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 7075 transitions. [2022-11-20 09:27:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-20 09:27:43,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:43,490 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:43,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:27:43,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:43,494 INFO L85 PathProgramCache]: Analyzing trace with hash -564953075, now seen corresponding path program 1 times [2022-11-20 09:27:43,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:43,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081683846] [2022-11-20 09:27:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 09:27:43,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:43,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081683846] [2022-11-20 09:27:43,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081683846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:43,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:43,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:43,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937492054] [2022-11-20 09:27:43,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:43,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:43,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:43,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:43,883 INFO L87 Difference]: Start difference. First operand 6087 states and 7075 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:45,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:45,950 INFO L93 Difference]: Finished difference Result 13667 states and 16218 transitions. [2022-11-20 09:27:45,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 421 [2022-11-20 09:27:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:45,966 INFO L225 Difference]: With dead ends: 13667 [2022-11-20 09:27:45,967 INFO L226 Difference]: Without dead ends: 7881 [2022-11-20 09:27:45,973 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 [2022-11-20 09:27:45,974 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 248 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:45,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 617 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 09:27:45,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2022-11-20 09:27:46,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7877. [2022-11-20 09:27:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7877 states, 7876 states have (on average 1.1452513966480447) internal successors, (9020), 7876 states have internal predecessors, (9020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7877 states to 7877 states and 9020 transitions. [2022-11-20 09:27:46,097 INFO L78 Accepts]: Start accepts. Automaton has 7877 states and 9020 transitions. Word has length 421 [2022-11-20 09:27:46,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:46,098 INFO L495 AbstractCegarLoop]: Abstraction has 7877 states and 9020 transitions. [2022-11-20 09:27:46,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 7877 states and 9020 transitions. [2022-11-20 09:27:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-20 09:27:46,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:46,108 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:46,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:27:46,109 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:46,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1419669949, now seen corresponding path program 1 times [2022-11-20 09:27:46,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:46,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361979962] [2022-11-20 09:27:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:46,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 50 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:47,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361979962] [2022-11-20 09:27:47,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361979962] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:47,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675155097] [2022-11-20 09:27:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:47,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:47,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:27:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:47,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:27:47,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 09:27:50,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:27:50,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675155097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:50,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:27:50,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 09:27:50,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826638052] [2022-11-20 09:27:50,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:50,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:27:50,260 INFO L87 Difference]: Start difference. First operand 7877 states and 9020 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:52,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:52,852 INFO L93 Difference]: Finished difference Result 19641 states and 22592 transitions. [2022-11-20 09:27:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:52,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 429 [2022-11-20 09:27:52,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:52,869 INFO L225 Difference]: With dead ends: 19641 [2022-11-20 09:27:52,869 INFO L226 Difference]: Without dead ends: 9673 [2022-11-20 09:27:52,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:27:52,877 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 301 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:52,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 590 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 09:27:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9673 states. [2022-11-20 09:27:52,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9673 to 9673. [2022-11-20 09:27:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9672 states have (on average 1.087882547559967) internal successors, (10522), 9672 states have internal predecessors, (10522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 10522 transitions. [2022-11-20 09:27:53,018 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 10522 transitions. Word has length 429 [2022-11-20 09:27:53,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:53,019 INFO L495 AbstractCegarLoop]: Abstraction has 9673 states and 10522 transitions. [2022-11-20 09:27:53,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 10522 transitions. [2022-11-20 09:27:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-11-20 09:27:53,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:53,026 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:53,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:27:53,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 09:27:53,232 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:53,233 INFO L85 PathProgramCache]: Analyzing trace with hash -507123401, now seen corresponding path program 1 times [2022-11-20 09:27:53,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:53,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586476036] [2022-11-20 09:27:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 350 proven. 106 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 09:27:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:55,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586476036] [2022-11-20 09:27:55,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586476036] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:55,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219170664] [2022-11-20 09:27:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:55,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:55,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:27:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:56,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:27:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 399 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:56,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 399 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:58,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219170664] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:58,510 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:58,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-20 09:27:58,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236550047] [2022-11-20 09:27:58,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:58,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:27:58,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:58,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:27:58,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:27:58,514 INFO L87 Difference]: Start difference. First operand 9673 states and 10522 transitions. Second operand has 9 states, 9 states have (on average 144.55555555555554) internal successors, (1301), 9 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:07,031 INFO L93 Difference]: Finished difference Result 25445 states and 27763 transitions. [2022-11-20 09:28:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 09:28:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 144.55555555555554) internal successors, (1301), 9 states have internal predecessors, (1301), 0 states have call successors, (0), 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 574 [2022-11-20 09:28:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:07,059 INFO L225 Difference]: With dead ends: 25445 [2022-11-20 09:28:07,059 INFO L226 Difference]: Without dead ends: 16073 [2022-11-20 09:28:07,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1174 GetRequests, 1155 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:28:07,067 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 2440 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 7512 mSolverCounterSat, 933 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 8445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 7512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:07,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 385 Invalid, 8445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [933 Valid, 7512 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-20 09:28:07,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16073 states. [2022-11-20 09:28:07,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16073 to 14157. [2022-11-20 09:28:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0662616558349816) internal successors, (15094), 14156 states have internal predecessors, (15094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 15094 transitions. [2022-11-20 09:28:07,377 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 15094 transitions. Word has length 574 [2022-11-20 09:28:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:07,378 INFO L495 AbstractCegarLoop]: Abstraction has 14157 states and 15094 transitions. [2022-11-20 09:28:07,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 144.55555555555554) internal successors, (1301), 9 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 15094 transitions. [2022-11-20 09:28:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2022-11-20 09:28:07,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:07,393 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:07,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:28:07,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 09:28:07,608 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:07,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1216004057, now seen corresponding path program 1 times [2022-11-20 09:28:07,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:07,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247867945] [2022-11-20 09:28:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 534 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-20 09:28:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:08,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247867945] [2022-11-20 09:28:08,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247867945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:08,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:08,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:08,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446481804] [2022-11-20 09:28:08,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:08,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:08,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:08,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:08,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:08,220 INFO L87 Difference]: Start difference. First operand 14157 states and 15094 transitions. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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) [2022-11-20 09:28:09,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:09,879 INFO L93 Difference]: Finished difference Result 31599 states and 33652 transitions. [2022-11-20 09:28:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:09,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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) Word has length 670 [2022-11-20 09:28:09,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:09,911 INFO L225 Difference]: With dead ends: 31599 [2022-11-20 09:28:09,912 INFO L226 Difference]: Without dead ends: 17743 [2022-11-20 09:28:09,922 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 [2022-11-20 09:28:09,923 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 175 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:09,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 577 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 09:28:09,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17743 states. [2022-11-20 09:28:10,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17743 to 16846. [2022-11-20 09:28:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16846 states, 16845 states have (on average 1.0596022558622737) internal successors, (17849), 16845 states have internal predecessors, (17849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16846 states to 16846 states and 17849 transitions. [2022-11-20 09:28:10,215 INFO L78 Accepts]: Start accepts. Automaton has 16846 states and 17849 transitions. Word has length 670 [2022-11-20 09:28:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:10,216 INFO L495 AbstractCegarLoop]: Abstraction has 16846 states and 17849 transitions. [2022-11-20 09:28:10,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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) [2022-11-20 09:28:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 16846 states and 17849 transitions. [2022-11-20 09:28:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-11-20 09:28:10,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:10,227 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 09:28:10,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:28:10,227 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1160879552, now seen corresponding path program 1 times [2022-11-20 09:28:10,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:10,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301453664] [2022-11-20 09:28:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-20 09:28:11,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:11,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301453664] [2022-11-20 09:28:11,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301453664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:11,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:11,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446614950] [2022-11-20 09:28:11,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:11,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:11,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:11,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:11,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:11,004 INFO L87 Difference]: Start difference. First operand 16846 states and 17849 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:13,169 INFO L93 Difference]: Finished difference Result 38210 states and 40656 transitions. [2022-11-20 09:28:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:13,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 701 [2022-11-20 09:28:13,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:13,195 INFO L225 Difference]: With dead ends: 38210 [2022-11-20 09:28:13,195 INFO L226 Difference]: Without dead ends: 21665 [2022-11-20 09:28:13,205 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 [2022-11-20 09:28:13,206 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 285 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:13,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 286 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 09:28:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21665 states. [2022-11-20 09:28:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21665 to 19560. [2022-11-20 09:28:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19560 states, 19559 states have (on average 1.063653561020502) internal successors, (20804), 19559 states have internal predecessors, (20804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19560 states to 19560 states and 20804 transitions. [2022-11-20 09:28:13,468 INFO L78 Accepts]: Start accepts. Automaton has 19560 states and 20804 transitions. Word has length 701 [2022-11-20 09:28:13,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:13,468 INFO L495 AbstractCegarLoop]: Abstraction has 19560 states and 20804 transitions. [2022-11-20 09:28:13,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 19560 states and 20804 transitions. [2022-11-20 09:28:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2022-11-20 09:28:13,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:13,484 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:13,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 09:28:13,484 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:13,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:13,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1141578840, now seen corresponding path program 1 times [2022-11-20 09:28:13,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:13,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106406303] [2022-11-20 09:28:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:13,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-20 09:28:14,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:14,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106406303] [2022-11-20 09:28:14,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106406303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:14,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:14,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:28:14,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260005421] [2022-11-20 09:28:14,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:14,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:14,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:14,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:14,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:28:14,581 INFO L87 Difference]: Start difference. First operand 19560 states and 20804 transitions. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:17,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:17,799 INFO L93 Difference]: Finished difference Result 46021 states and 48821 transitions. [2022-11-20 09:28:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:28:17,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 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 749 [2022-11-20 09:28:17,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:17,833 INFO L225 Difference]: With dead ends: 46021 [2022-11-20 09:28:17,834 INFO L226 Difference]: Without dead ends: 26762 [2022-11-20 09:28:17,845 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 [2022-11-20 09:28:17,845 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 523 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:17,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 98 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:28:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26762 states. [2022-11-20 09:28:18,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26762 to 21056. [2022-11-20 09:28:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21056 states, 21055 states have (on average 1.0644977440037995) internal successors, (22413), 21055 states have internal predecessors, (22413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21056 states to 21056 states and 22413 transitions. [2022-11-20 09:28:18,157 INFO L78 Accepts]: Start accepts. Automaton has 21056 states and 22413 transitions. Word has length 749 [2022-11-20 09:28:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:18,158 INFO L495 AbstractCegarLoop]: Abstraction has 21056 states and 22413 transitions. [2022-11-20 09:28:18,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 21056 states and 22413 transitions. [2022-11-20 09:28:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2022-11-20 09:28:18,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:18,177 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:18,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 09:28:18,178 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:18,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1743926933, now seen corresponding path program 1 times [2022-11-20 09:28:18,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:18,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409537242] [2022-11-20 09:28:18,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:18,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-11-20 09:28:18,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:18,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409537242] [2022-11-20 09:28:18,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409537242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:18,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:18,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:18,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479376158] [2022-11-20 09:28:18,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:18,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:18,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:18,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:18,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:18,851 INFO L87 Difference]: Start difference. First operand 21056 states and 22413 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:20,602 INFO L93 Difference]: Finished difference Result 45397 states and 48382 transitions. [2022-11-20 09:28:20,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:20,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 832 [2022-11-20 09:28:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:20,628 INFO L225 Difference]: With dead ends: 45397 [2022-11-20 09:28:20,629 INFO L226 Difference]: Without dead ends: 21652 [2022-11-20 09:28:20,643 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 [2022-11-20 09:28:20,643 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 398 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:20,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 419 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 09:28:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21652 states. [2022-11-20 09:28:20,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21652 to 21054. [2022-11-20 09:28:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21054 states, 21053 states have (on average 1.0503491188904195) internal successors, (22113), 21053 states have internal predecessors, (22113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21054 states to 21054 states and 22113 transitions. [2022-11-20 09:28:20,939 INFO L78 Accepts]: Start accepts. Automaton has 21054 states and 22113 transitions. Word has length 832 [2022-11-20 09:28:20,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:20,941 INFO L495 AbstractCegarLoop]: Abstraction has 21054 states and 22113 transitions. [2022-11-20 09:28:20,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 21054 states and 22113 transitions. [2022-11-20 09:28:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2022-11-20 09:28:20,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:20,959 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:20,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 09:28:20,960 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:20,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:20,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1382587238, now seen corresponding path program 1 times [2022-11-20 09:28:20,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:20,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364838562] [2022-11-20 09:28:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 1123 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2022-11-20 09:28:21,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364838562] [2022-11-20 09:28:21,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364838562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:21,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:21,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:21,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96188114] [2022-11-20 09:28:21,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:21,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:21,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:21,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:21,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:21,886 INFO L87 Difference]: Start difference. First operand 21054 states and 22113 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:23,476 INFO L93 Difference]: Finished difference Result 46589 states and 49037 transitions. [2022-11-20 09:28:23,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:23,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 845 [2022-11-20 09:28:23,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:23,497 INFO L225 Difference]: With dead ends: 46589 [2022-11-20 09:28:23,498 INFO L226 Difference]: Without dead ends: 25836 [2022-11-20 09:28:23,509 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 [2022-11-20 09:28:23,510 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 214 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:23,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 125 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 09:28:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25836 states. [2022-11-20 09:28:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25836 to 23145. [2022-11-20 09:28:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23145 states, 23144 states have (on average 1.0487815416522641) internal successors, (24273), 23144 states have internal predecessors, (24273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23145 states to 23145 states and 24273 transitions. [2022-11-20 09:28:23,931 INFO L78 Accepts]: Start accepts. Automaton has 23145 states and 24273 transitions. Word has length 845 [2022-11-20 09:28:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:23,932 INFO L495 AbstractCegarLoop]: Abstraction has 23145 states and 24273 transitions. [2022-11-20 09:28:23,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23145 states and 24273 transitions. [2022-11-20 09:28:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2022-11-20 09:28:23,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:23,953 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:23,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 09:28:23,954 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:23,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1557373609, now seen corresponding path program 1 times [2022-11-20 09:28:23,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:23,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641304248] [2022-11-20 09:28:23,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:23,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 575 proven. 511 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-11-20 09:28:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:25,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641304248] [2022-11-20 09:28:25,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641304248] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:25,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472628486] [2022-11-20 09:28:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:25,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:28:25,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:25,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:28:25,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:28:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:26,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:26,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 710 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-11-20 09:28:26,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:26,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472628486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:26,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:28:26,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-20 09:28:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103055085] [2022-11-20 09:28:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:26,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:26,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:26,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:28:26,276 INFO L87 Difference]: Start difference. First operand 23145 states and 24273 transitions. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:27,788 INFO L93 Difference]: Finished difference Result 44786 states and 47003 transitions. [2022-11-20 09:28:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:27,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 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 853 [2022-11-20 09:28:27,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:27,810 INFO L225 Difference]: With dead ends: 44786 [2022-11-20 09:28:27,810 INFO L226 Difference]: Without dead ends: 21942 [2022-11-20 09:28:27,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:28:27,821 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 189 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:27,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 526 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:28:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21942 states. [2022-11-20 09:28:27,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21942 to 21941. [2022-11-20 09:28:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21941 states, 21940 states have (on average 1.0347310847766635) internal successors, (22702), 21940 states have internal predecessors, (22702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21941 states to 21941 states and 22702 transitions. [2022-11-20 09:28:28,020 INFO L78 Accepts]: Start accepts. Automaton has 21941 states and 22702 transitions. Word has length 853 [2022-11-20 09:28:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:28,021 INFO L495 AbstractCegarLoop]: Abstraction has 21941 states and 22702 transitions. [2022-11-20 09:28:28,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21941 states and 22702 transitions. [2022-11-20 09:28:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2022-11-20 09:28:28,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:28,036 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:28,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:28:28,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 09:28:28,242 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash 724448889, now seen corresponding path program 1 times [2022-11-20 09:28:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:28,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421399806] [2022-11-20 09:28:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:28,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2022-11-20 09:28:28,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:28,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421399806] [2022-11-20 09:28:28,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421399806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:28,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:28,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:28,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860300139] [2022-11-20 09:28:28,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:28,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:28,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:28,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:28,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:28,783 INFO L87 Difference]: Start difference. First operand 21941 states and 22702 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:30,350 INFO L93 Difference]: Finished difference Result 46868 states and 48482 transitions. [2022-11-20 09:28:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 882 [2022-11-20 09:28:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:30,372 INFO L225 Difference]: With dead ends: 46868 [2022-11-20 09:28:30,372 INFO L226 Difference]: Without dead ends: 25228 [2022-11-20 09:28:30,380 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 [2022-11-20 09:28:30,380 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 336 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:30,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 178 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:28:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25228 states. [2022-11-20 09:28:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25228 to 23433. [2022-11-20 09:28:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23433 states, 23432 states have (on average 1.0319648344144758) internal successors, (24181), 23432 states have internal predecessors, (24181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23433 states to 23433 states and 24181 transitions. [2022-11-20 09:28:30,607 INFO L78 Accepts]: Start accepts. Automaton has 23433 states and 24181 transitions. Word has length 882 [2022-11-20 09:28:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:30,608 INFO L495 AbstractCegarLoop]: Abstraction has 23433 states and 24181 transitions. [2022-11-20 09:28:30,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 23433 states and 24181 transitions. [2022-11-20 09:28:30,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2022-11-20 09:28:30,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:30,627 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, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:30,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 09:28:30,628 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:30,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2139398581, now seen corresponding path program 1 times [2022-11-20 09:28:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:30,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144123467] [2022-11-20 09:28:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 806 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-11-20 09:28:31,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:31,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144123467] [2022-11-20 09:28:31,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144123467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:31,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:31,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:31,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660732123] [2022-11-20 09:28:31,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:31,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:31,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:31,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:31,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:31,163 INFO L87 Difference]: Start difference. First operand 23433 states and 24181 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:32,630 INFO L93 Difference]: Finished difference Result 49255 states and 50836 transitions. [2022-11-20 09:28:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:32,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 946 [2022-11-20 09:28:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:32,649 INFO L225 Difference]: With dead ends: 49255 [2022-11-20 09:28:32,650 INFO L226 Difference]: Without dead ends: 26123 [2022-11-20 09:28:32,658 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 [2022-11-20 09:28:32,658 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:32,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 451 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:28:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26123 states. [2022-11-20 09:28:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26123 to 23133. [2022-11-20 09:28:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 23132 states have (on average 1.0307798720387342) internal successors, (23844), 23132 states have internal predecessors, (23844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 23844 transitions. [2022-11-20 09:28:32,868 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 23844 transitions. Word has length 946 [2022-11-20 09:28:32,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:32,868 INFO L495 AbstractCegarLoop]: Abstraction has 23133 states and 23844 transitions. [2022-11-20 09:28:32,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 23844 transitions. [2022-11-20 09:28:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2022-11-20 09:28:32,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:32,884 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:32,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 09:28:32,884 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash -271275100, now seen corresponding path program 1 times [2022-11-20 09:28:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:32,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597108175] [2022-11-20 09:28:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 853 proven. 0 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2022-11-20 09:28:33,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:33,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597108175] [2022-11-20 09:28:33,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597108175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:33,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:33,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:28:33,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211091031] [2022-11-20 09:28:33,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:33,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:33,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:33,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:28:33,518 INFO L87 Difference]: Start difference. First operand 23133 states and 23844 transitions. Second operand has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:35,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:35,809 INFO L93 Difference]: Finished difference Result 48359 states and 49829 transitions. [2022-11-20 09:28:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:28:35,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 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 948 [2022-11-20 09:28:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:35,834 INFO L225 Difference]: With dead ends: 48359 [2022-11-20 09:28:35,834 INFO L226 Difference]: Without dead ends: 25527 [2022-11-20 09:28:35,845 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 [2022-11-20 09:28:35,845 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 540 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:35,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 450 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 09:28:35,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25527 states. [2022-11-20 09:28:36,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25527 to 20726. [2022-11-20 09:28:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20726 states, 20725 states have (on average 1.027310012062726) internal successors, (21291), 20725 states have internal predecessors, (21291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20726 states to 20726 states and 21291 transitions. [2022-11-20 09:28:36,051 INFO L78 Accepts]: Start accepts. Automaton has 20726 states and 21291 transitions. Word has length 948 [2022-11-20 09:28:36,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:36,052 INFO L495 AbstractCegarLoop]: Abstraction has 20726 states and 21291 transitions. [2022-11-20 09:28:36,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20726 states and 21291 transitions. [2022-11-20 09:28:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2022-11-20 09:28:36,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:36,065 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:36,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 09:28:36,065 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:36,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:36,065 INFO L85 PathProgramCache]: Analyzing trace with hash -949870862, now seen corresponding path program 1 times [2022-11-20 09:28:36,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:36,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563903649] [2022-11-20 09:28:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:36,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 1057 proven. 263 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 09:28:38,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:38,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563903649] [2022-11-20 09:28:38,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563903649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:38,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237455267] [2022-11-20 09:28:38,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:28:38,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:38,343 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:28:38,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 09:28:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:28:38,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 980 proven. 366 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-20 09:28:39,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:28:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 892 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-11-20 09:28:40,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237455267] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:40,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:28:40,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 12 [2022-11-20 09:28:40,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267863838] [2022-11-20 09:28:40,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:40,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:40,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:40,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:40,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:28:40,336 INFO L87 Difference]: Start difference. First operand 20726 states and 21291 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:42,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:42,764 INFO L93 Difference]: Finished difference Result 45644 states and 46856 transitions. [2022-11-20 09:28:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:28:42,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 980 [2022-11-20 09:28:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:42,787 INFO L225 Difference]: With dead ends: 45644 [2022-11-20 09:28:42,787 INFO L226 Difference]: Without dead ends: 24920 [2022-11-20 09:28:42,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1964 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:28:42,797 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 352 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:42,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 73 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 09:28:42,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24920 states. [2022-11-20 09:28:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24920 to 19515. [2022-11-20 09:28:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19514 states have (on average 1.025776365686174) internal successors, (20017), 19514 states have internal predecessors, (20017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 20017 transitions. [2022-11-20 09:28:43,137 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 20017 transitions. Word has length 980 [2022-11-20 09:28:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:43,138 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 20017 transitions. [2022-11-20 09:28:43,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 20017 transitions. [2022-11-20 09:28:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2022-11-20 09:28:43,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:43,153 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:43,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 09:28:43,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-20 09:28:43,358 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:43,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:43,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1736568820, now seen corresponding path program 1 times [2022-11-20 09:28:43,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:43,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8137469] [2022-11-20 09:28:43,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:43,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1258 proven. 263 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-11-20 09:28:45,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:45,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8137469] [2022-11-20 09:28:45,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8137469] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:45,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890632614] [2022-11-20 09:28:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:45,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:28:45,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:45,836 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:28:45,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 09:28:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:46,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:28:46,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1633 proven. 2 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-20 09:28:47,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:28:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-20 09:28:48,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890632614] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:48,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:28:48,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 10 [2022-11-20 09:28:48,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8716690] [2022-11-20 09:28:48,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:48,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:48,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:48,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:48,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:28:48,535 INFO L87 Difference]: Start difference. First operand 19515 states and 20017 transitions. Second operand has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:50,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:50,470 INFO L93 Difference]: Finished difference Result 39182 states and 40191 transitions. [2022-11-20 09:28:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:28:50,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 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 1003 [2022-11-20 09:28:50,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:50,489 INFO L225 Difference]: With dead ends: 39182 [2022-11-20 09:28:50,489 INFO L226 Difference]: Without dead ends: 19968 [2022-11-20 09:28:50,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2012 GetRequests, 2002 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:28:50,498 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 419 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:50,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 517 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 09:28:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19968 states. [2022-11-20 09:28:50,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19968 to 19515. [2022-11-20 09:28:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19514 states have (on average 1.0254176488674798) internal successors, (20010), 19514 states have internal predecessors, (20010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 20010 transitions. [2022-11-20 09:28:50,721 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 20010 transitions. Word has length 1003 [2022-11-20 09:28:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:50,723 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 20010 transitions. [2022-11-20 09:28:50,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:28:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 20010 transitions. [2022-11-20 09:28:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2022-11-20 09:28:50,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:50,748 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:50,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 09:28:50,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-20 09:28:50,955 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:50,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1493509216, now seen corresponding path program 1 times [2022-11-20 09:28:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:50,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600743035] [2022-11-20 09:28:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1345 proven. 418 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 09:28:53,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:53,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600743035] [2022-11-20 09:28:53,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600743035] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:53,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105368366] [2022-11-20 09:28:53,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:53,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:28:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:53,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:28:53,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 09:28:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:53,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:28:53,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1451 proven. 252 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2022-11-20 09:28:54,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:28:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1320 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-20 09:28:57,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105368366] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 09:28:57,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:28:57,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2022-11-20 09:28:57,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940233240] [2022-11-20 09:28:57,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:57,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:57,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:57,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:57,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:28:57,704 INFO L87 Difference]: Start difference. First operand 19515 states and 20010 transitions. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:00,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:00,006 INFO L93 Difference]: Finished difference Result 39928 states and 40940 transitions. [2022-11-20 09:29:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:29:00,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 1009 [2022-11-20 09:29:00,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:00,026 INFO L225 Difference]: With dead ends: 39928 [2022-11-20 09:29:00,026 INFO L226 Difference]: Without dead ends: 20714 [2022-11-20 09:29:00,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2021 GetRequests, 2013 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:00,037 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 451 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:00,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 58 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 09:29:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20714 states. [2022-11-20 09:29:00,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20714 to 19216. [2022-11-20 09:29:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19215 states have (on average 1.025552953421806) internal successors, (19706), 19215 states have internal predecessors, (19706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 19706 transitions. [2022-11-20 09:29:00,338 INFO L78 Accepts]: Start accepts. Automaton has 19216 states and 19706 transitions. Word has length 1009 [2022-11-20 09:29:00,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:00,339 INFO L495 AbstractCegarLoop]: Abstraction has 19216 states and 19706 transitions. [2022-11-20 09:29:00,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 19216 states and 19706 transitions. [2022-11-20 09:29:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2022-11-20 09:29:00,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:00,364 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:00,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:00,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:00,571 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash 603965171, now seen corresponding path program 1 times [2022-11-20 09:29:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:00,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623893592] [2022-11-20 09:29:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 1070 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-20 09:29:02,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:02,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623893592] [2022-11-20 09:29:02,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623893592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:02,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:02,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:02,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166621831] [2022-11-20 09:29:02,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:02,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:02,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:02,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:02,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:02,426 INFO L87 Difference]: Start difference. First operand 19216 states and 19706 transitions. Second operand has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:06,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:06,962 INFO L93 Difference]: Finished difference Result 52993 states and 54318 transitions. [2022-11-20 09:29:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:29:06,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 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 1013 [2022-11-20 09:29:06,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:06,996 INFO L225 Difference]: With dead ends: 52993 [2022-11-20 09:29:06,996 INFO L226 Difference]: Without dead ends: 34078 [2022-11-20 09:29:07,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:29:07,006 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 1157 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 3787 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 3787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:07,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 247 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 3787 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 09:29:07,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34078 states. [2022-11-20 09:29:07,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34078 to 19814. [2022-11-20 09:29:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19814 states, 19813 states have (on average 1.0250845404532378) internal successors, (20310), 19813 states have internal predecessors, (20310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19814 states to 19814 states and 20310 transitions. [2022-11-20 09:29:07,292 INFO L78 Accepts]: Start accepts. Automaton has 19814 states and 20310 transitions. Word has length 1013 [2022-11-20 09:29:07,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:07,293 INFO L495 AbstractCegarLoop]: Abstraction has 19814 states and 20310 transitions. [2022-11-20 09:29:07,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19814 states and 20310 transitions. [2022-11-20 09:29:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2022-11-20 09:29:07,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:07,359 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, 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 09:29:07,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 09:29:07,360 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash 934949930, now seen corresponding path program 1 times [2022-11-20 09:29:07,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:07,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762617262] [2022-11-20 09:29:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 1250 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-20 09:29:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762617262] [2022-11-20 09:29:08,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762617262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:08,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:08,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:08,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17962954] [2022-11-20 09:29:08,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:08,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:08,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:08,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:08,274 INFO L87 Difference]: Start difference. First operand 19814 states and 20310 transitions. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:09,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:09,978 INFO L93 Difference]: Finished difference Result 42922 states and 44008 transitions. [2022-11-20 09:29:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:09,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 1031 [2022-11-20 09:29:09,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:09,985 INFO L225 Difference]: With dead ends: 42922 [2022-11-20 09:29:09,985 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:29:09,995 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 [2022-11-20 09:29:09,996 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 189 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:10,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 505 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 09:29:10,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:29:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:29:10,004 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) [2022-11-20 09:29:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:29:10,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1031 [2022-11-20 09:29:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:10,005 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:29:10,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:29:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:29:10,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:29:10,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:29:10,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 09:29:10,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:29:23,295 WARN L233 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 813 DAG size of output: 723 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 09:29:33,809 WARN L233 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 806 DAG size of output: 720 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 09:29:44,613 WARN L233 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 723 DAG size of output: 137 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 09:29:51,478 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 720 DAG size of output: 137 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-11-20 09:29:51,483 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-20 09:29:51,484 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-20 09:29:51,485 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,486 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,487 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,488 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,489 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,490 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-11-20 09:29:51,491 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,492 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,493 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,494 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,495 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,496 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,497 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-11-20 09:29:51,498 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,499 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,500 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-20 09:29:51,501 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,502 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,503 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,504 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,505 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,506 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,507 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-11-20 09:29:51,508 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,509 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,509 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,509 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,509 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a29~0 16)) (.cse5 (= 3 ~a2~0))) (let ((.cse24 (not .cse5)) (.cse27 (div ~a29~0 5)) (.cse8 (+ ~a4~0 86)) (.cse4 (< 0 .cse26)) (.cse25 (+ ~a0~0 61))) (let ((.cse3 (< 0 .cse25)) (.cse13 (<= 44 ~a29~0)) (.cse11 (<= (+ ~a0~0 147) 0)) (.cse10 (= 5 ~a2~0)) (.cse22 (not .cse4)) (.cse23 (<= (+ 107 ~a0~0) 0)) (.cse14 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse17 (< 0 .cse8)) (.cse18 (= 2 ~a2~0)) (.cse7 (<= (+ ~a0~0 99) 0)) (.cse21 (or .cse24 (and (< 0 (+ 134676 .cse27)) (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 134675 .cse27)))))) (.cse6 (< .cse27 190396)) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ 51 ~a29~0) 0)) (.cse12 (= ~a2~0 1)) (.cse9 (<= .cse26 0)) (.cse16 (< 0 (+ 98 ~a0~0))) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse1 (<= ~a29~0 599998)) (.cse2 (<= .cse25 0))) (or (and (<= 134656 ~a29~0) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse5) (and .cse6 .cse7 (not (<= .cse8 0)) (not .cse9) .cse5) (and .cse10 .cse11) (and .cse6 .cse11 .cse12) (and .cse13 .cse14 .cse1 .cse15) (and .cse6 .cse13 .cse0 .cse5 .cse16 .cse2) (and .cse17 .cse1 .cse4 .cse5 .cse16) (and .cse18 (not .cse2) .cse19) (and .cse17 .cse12 .cse1) (and (or (and .cse17 .cse9 .cse5 .cse16 .cse2) (and .cse20 .cse5 .cse16 .cse2)) .cse21) (and .cse3 .cse10 .cse1) (and .cse17 .cse6 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) (< 0 (+ 42 ~a4~0))) .cse11 .cse15) (and .cse22 .cse23 .cse5 .cse2) (and .cse23 .cse18 .cse13 .cse1) (and .cse11 .cse1 .cse5) (and .cse12 .cse1 .cse2) (and .cse17 .cse18 .cse11) (and .cse17 .cse6 .cse10 .cse2) (and .cse17 .cse18 (<= ~a29~0 43) .cse2) (and .cse10 .cse9) (and .cse7 .cse0) (and .cse18 .cse0 .cse1) (and .cse22 (or (and .cse17 .cse7 .cse15) (and .cse23 .cse14 .cse1 .cse15))) (and .cse12 .cse19) (and .cse17 .cse18 .cse7 .cse1) (and .cse21 .cse0 .cse20 .cse5) (and .cse6 .cse15 .cse16) (and .cse0 .cse20 .cse5 .cse2) (and .cse0 .cse12 .cse9) (and .cse0 .cse9 .cse5 .cse16 .cse2) (and .cse24 .cse0 .cse1 .cse2))))) [2022-11-20 09:29:51,510 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-20 09:29:51,510 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-20 09:29:51,510 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,510 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,510 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-11-20 09:29:51,511 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-20 09:29:51,512 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,513 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:29:51,515 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,515 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,515 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,515 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse10 (= 3 ~a2~0)) (.cse25 (+ ~a29~0 16))) (let ((.cse18 (< 0 .cse25)) (.cse26 (+ ~a4~0 86)) (.cse24 (not .cse10)) (.cse27 (div ~a29~0 5)) (.cse2 (<= (+ ~a0~0 61) 0))) (let ((.cse13 (<= 44 ~a29~0)) (.cse4 (not .cse2)) (.cse3 (= 5 ~a2~0)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse21 (or .cse24 (and (< 0 (+ 134676 .cse27)) (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 134675 .cse27)))))) (.cse17 (< 0 .cse26)) (.cse11 (<= (+ ~a0~0 147) 0)) (.cse7 (< .cse27 190396)) (.cse5 (= 2 ~a2~0)) (.cse20 (<= (+ 51 ~a29~0) 0)) (.cse12 (= ~a2~0 1)) (.cse22 (not .cse18)) (.cse8 (<= (+ ~a0~0 99) 0)) (.cse6 (not (<= .cse26 0))) (.cse23 (<= (+ 107 ~a0~0) 0)) (.cse14 (<= 0 (+ 146 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse9 (<= .cse25 0)) (.cse16 (< 0 (+ 98 ~a0~0))) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse1 (<= ~a29~0 599998))) (or (and (<= 134656 ~a29~0) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse6 (<= ~a29~0 43) .cse2) (and .cse7 .cse8 .cse6 (not .cse9) .cse10) (and .cse3 .cse11) (and .cse7 .cse11 .cse12) (and .cse13 .cse14 .cse1 .cse15) (and .cse7 .cse13 .cse0 .cse10 .cse16 .cse2) (and .cse17 .cse1 .cse18 .cse10 .cse16) (and .cse5 .cse4 .cse19) (and (or (and .cse17 .cse9 .cse10 .cse16 .cse2) (and .cse20 .cse10 .cse16 .cse2)) .cse21) (and .cse22 .cse23 .cse10 .cse2) (and .cse23 .cse5 .cse13 .cse1) (and .cse17 .cse7 .cse8 .cse11 .cse15) (and .cse11 .cse1 .cse10) (and .cse12 .cse1 .cse2) (and .cse17 .cse7 .cse3 .cse2) (and .cse1 .cse4 .cse18 .cse10) (and .cse3 .cse9) (and .cse8 .cse0) (and .cse5 .cse0 .cse1) (and .cse12 .cse19) (and .cse21 .cse0 .cse20 .cse10) (and .cse17 .cse5 .cse8 .cse11) (and .cse7 .cse15 .cse16) (and .cse5 .cse8 .cse6 .cse1) (and .cse0 .cse20 .cse10 .cse2) (and .cse6 .cse12 .cse1) (and .cse0 .cse12 .cse9) (and .cse22 (or (and .cse8 .cse6 .cse15) (and .cse23 .cse14 .cse1 .cse15))) (and .cse0 .cse9 .cse10 .cse16 .cse2) (and .cse24 .cse0 .cse1 .cse2))))) [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,516 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,517 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,518 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,519 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,520 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-20 09:29:51,521 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,522 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,523 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,524 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,525 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,525 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,525 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,525 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,525 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse10 (= 3 ~a2~0)) (.cse25 (+ ~a29~0 16))) (let ((.cse18 (< 0 .cse25)) (.cse26 (+ ~a4~0 86)) (.cse24 (not .cse10)) (.cse27 (div ~a29~0 5)) (.cse2 (<= (+ ~a0~0 61) 0))) (let ((.cse13 (<= 44 ~a29~0)) (.cse4 (not .cse2)) (.cse3 (= 5 ~a2~0)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse21 (or .cse24 (and (< 0 (+ 134676 .cse27)) (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 134675 .cse27)))))) (.cse17 (< 0 .cse26)) (.cse11 (<= (+ ~a0~0 147) 0)) (.cse7 (< .cse27 190396)) (.cse5 (= 2 ~a2~0)) (.cse20 (<= (+ 51 ~a29~0) 0)) (.cse12 (= ~a2~0 1)) (.cse22 (not .cse18)) (.cse8 (<= (+ ~a0~0 99) 0)) (.cse6 (not (<= .cse26 0))) (.cse23 (<= (+ 107 ~a0~0) 0)) (.cse14 (<= 0 (+ 146 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse9 (<= .cse25 0)) (.cse16 (< 0 (+ 98 ~a0~0))) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse1 (<= ~a29~0 599998))) (or (and (<= 134656 ~a29~0) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse6 (<= ~a29~0 43) .cse2) (and .cse7 .cse8 .cse6 (not .cse9) .cse10) (and .cse3 .cse11) (and .cse7 .cse11 .cse12) (and .cse13 .cse14 .cse1 .cse15) (and .cse7 .cse13 .cse0 .cse10 .cse16 .cse2) (and .cse17 .cse1 .cse18 .cse10 .cse16) (and .cse5 .cse4 .cse19) (and (or (and .cse17 .cse9 .cse10 .cse16 .cse2) (and .cse20 .cse10 .cse16 .cse2)) .cse21) (and .cse22 .cse23 .cse10 .cse2) (and .cse23 .cse5 .cse13 .cse1) (and .cse17 .cse7 .cse8 .cse11 .cse15) (and .cse11 .cse1 .cse10) (and .cse12 .cse1 .cse2) (and .cse17 .cse7 .cse3 .cse2) (and .cse1 .cse4 .cse18 .cse10) (and .cse3 .cse9) (and .cse8 .cse0) (and .cse5 .cse0 .cse1) (and .cse12 .cse19) (and .cse21 .cse0 .cse20 .cse10) (and .cse17 .cse5 .cse8 .cse11) (and .cse7 .cse15 .cse16) (and .cse5 .cse8 .cse6 .cse1) (and .cse0 .cse20 .cse10 .cse2) (and .cse6 .cse12 .cse1) (and .cse0 .cse12 .cse9) (and .cse22 (or (and .cse8 .cse6 .cse15) (and .cse23 .cse14 .cse1 .cse15))) (and .cse0 .cse9 .cse10 .cse16 .cse2) (and .cse24 .cse0 .cse1 .cse2))))) [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,526 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,527 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,528 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,529 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,530 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,531 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,532 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 09:29:51,533 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,533 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-20 09:29:51,533 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-11-20 09:29:51,536 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] [2022-11-20 09:29:51,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:29:51,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:29:51 BoogieIcfgContainer [2022-11-20 09:29:51,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:29:51,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:29:51,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:29:51,583 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:29:51,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:17" (3/4) ... [2022-11-20 09:29:51,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:29:51,616 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 09:29:51,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 09:29:51,620 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 09:29:51,622 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:29:51,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:29:51,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:29:51,821 INFO L158 Benchmark]: Toolchain (without parser) took 159379.20ms. Allocated memory was 130.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 97.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 464.2MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,822 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:29:51,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1298.53ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 68.9MB in the end (delta: 28.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.44ms. Allocated memory is still 130.0MB. Free memory was 68.9MB in the beginning and 70.0MB in the end (delta: -1.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,823 INFO L158 Benchmark]: Boogie Preprocessor took 251.49ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 70.0MB in the beginning and 106.0MB in the end (delta: -36.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,825 INFO L158 Benchmark]: RCFGBuilder took 3651.06ms. Allocated memory was 169.9MB in the beginning and 262.1MB in the end (delta: 92.3MB). Free memory was 106.0MB in the beginning and 118.5MB in the end (delta: -12.5MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,826 INFO L158 Benchmark]: TraceAbstraction took 153652.16ms. Allocated memory was 262.1MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 117.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-20 09:29:51,827 INFO L158 Benchmark]: Witness Printer took 237.95ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 09:29:51,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1298.53ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 68.9MB in the end (delta: 28.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.44ms. Allocated memory is still 130.0MB. Free memory was 68.9MB in the beginning and 70.0MB in the end (delta: -1.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.49ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 70.0MB in the beginning and 106.0MB in the end (delta: -36.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3651.06ms. Allocated memory was 169.9MB in the beginning and 262.1MB in the end (delta: 92.3MB). Free memory was 106.0MB in the beginning and 118.5MB in the end (delta: -12.5MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * TraceAbstraction took 153652.16ms. Allocated memory was 262.1MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 117.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 237.95ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 173]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 153.5s, OverallIterations: 25, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 65.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10203 SdHoareTripleChecker+Valid, 59.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10203 mSDsluCounter, 9294 SdHoareTripleChecker+Invalid, 50.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1259 mSDsCounter, 5577 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33520 IncrementalHoareTripleChecker+Invalid, 39097 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5577 mSolverCounterUnsat, 8035 mSDtfsCounter, 33520 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8531 GetRequests, 8444 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23433occurred in iteration=18, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 25 MinimizatonAttempts, 49335 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 297 NumberOfFragments, 1885 HoareAnnotationTreeSize, 4 FomulaSimplifications, 87601 FormulaSimplificationTreeSizeReduction, 23.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 276240 FormulaSimplificationTreeSizeReductionInter, 17.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 34.3s InterpolantComputationTime, 20488 NumberOfCodeBlocks, 20488 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 24019 ConstructedInterpolants, 0 QuantifiedInterpolants, 90090 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5830 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 32928/35478 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((134656 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) || (((0 < a0 + 61 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || ((((a29 / 5 < 190396 && a0 + 99 <= 0) && !(a4 + 86 <= 0)) && !(a29 + 16 <= 0)) && 3 == a2)) || (5 == a2 && a0 + 147 <= 0)) || ((a29 / 5 < 190396 && a0 + 147 <= 0) && a2 == 1)) || (((44 <= a29 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)) || (((((a29 / 5 < 190396 && 44 <= a29) && 89 + a4 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || ((2 == a2 && !(a0 + 61 <= 0)) && a29 + 144 <= 0)) || ((0 < a4 + 86 && a2 == 1) && a29 <= 599998)) || ((((((0 < a4 + 86 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) || (((51 + a29 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) && (!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))))) || ((0 < a0 + 61 && 5 == a2) && a29 <= 599998)) || ((((0 < a4 + 86 && a29 / 5 < 190396) && (!(input == 1) || 0 < 42 + a4)) && a0 + 147 <= 0) && a2 == 4)) || (((!(0 < a29 + 16) && 107 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((107 + a0 <= 0 && 2 == a2) && 44 <= a29) && a29 <= 599998)) || ((a0 + 147 <= 0 && a29 <= 599998) && 3 == a2)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || ((0 < a4 + 86 && 2 == a2) && a0 + 147 <= 0)) || (((0 < a4 + 86 && a29 / 5 < 190396) && 5 == a2) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (5 == a2 && a29 + 16 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (!(0 < a29 + 16) && (((0 < a4 + 86 && a0 + 99 <= 0) && a2 == 4) || (((107 + a0 <= 0 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)))) || (a2 == 1 && a29 + 144 <= 0)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && a29 <= 599998)) || ((((!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))) && 89 + a4 <= 0) && 51 + a29 <= 0) && 3 == a2)) || ((a29 / 5 < 190396 && a2 == 4) && 0 < 98 + a0)) || (((89 + a4 <= 0 && 51 + a29 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0)) || ((((89 + a4 <= 0 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((!(3 == a2) && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((134656 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) || ((5 == a2 && a29 <= 599998) && !(a0 + 61 <= 0))) || (((2 == a2 && !(a4 + 86 <= 0)) && a29 <= 43) && a0 + 61 <= 0)) || ((((a29 / 5 < 190396 && a0 + 99 <= 0) && !(a4 + 86 <= 0)) && !(a29 + 16 <= 0)) && 3 == a2)) || (5 == a2 && a0 + 147 <= 0)) || ((a29 / 5 < 190396 && a0 + 147 <= 0) && a2 == 1)) || (((44 <= a29 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)) || (((((a29 / 5 < 190396 && 44 <= a29) && 89 + a4 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || ((2 == a2 && !(a0 + 61 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) || (((51 + a29 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) && (!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))))) || (((!(0 < a29 + 16) && 107 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((107 + a0 <= 0 && 2 == a2) && 44 <= a29) && a29 <= 599998)) || ((((0 < a4 + 86 && a29 / 5 < 190396) && a0 + 99 <= 0) && a0 + 147 <= 0) && a2 == 4)) || ((a0 + 147 <= 0 && a29 <= 599998) && 3 == a2)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && a29 / 5 < 190396) && 5 == a2) && a0 + 61 <= 0)) || (((a29 <= 599998 && !(a0 + 61 <= 0)) && 0 < a29 + 16) && 3 == a2)) || (5 == a2 && a29 + 16 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (a2 == 1 && a29 + 144 <= 0)) || ((((!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))) && 89 + a4 <= 0) && 51 + a29 <= 0) && 3 == a2)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && a0 + 147 <= 0)) || ((a29 / 5 < 190396 && a2 == 4) && 0 < 98 + a0)) || (((2 == a2 && a0 + 99 <= 0) && !(a4 + 86 <= 0)) && a29 <= 599998)) || (((89 + a4 <= 0 && 51 + a29 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((!(a4 + 86 <= 0) && a2 == 1) && a29 <= 599998)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0)) || (!(0 < a29 + 16) && (((a0 + 99 <= 0 && !(a4 + 86 <= 0)) && a2 == 4) || (((107 + a0 <= 0 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)))) || ((((89 + a4 <= 0 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((!(3 == a2) && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((134656 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) || ((5 == a2 && a29 <= 599998) && !(a0 + 61 <= 0))) || (((2 == a2 && !(a4 + 86 <= 0)) && a29 <= 43) && a0 + 61 <= 0)) || ((((a29 / 5 < 190396 && a0 + 99 <= 0) && !(a4 + 86 <= 0)) && !(a29 + 16 <= 0)) && 3 == a2)) || (5 == a2 && a0 + 147 <= 0)) || ((a29 / 5 < 190396 && a0 + 147 <= 0) && a2 == 1)) || (((44 <= a29 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)) || (((((a29 / 5 < 190396 && 44 <= a29) && 89 + a4 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || ((2 == a2 && !(a0 + 61 <= 0)) && a29 + 144 <= 0)) || ((((((0 < a4 + 86 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) || (((51 + a29 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) && (!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))))) || (((!(0 < a29 + 16) && 107 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((107 + a0 <= 0 && 2 == a2) && 44 <= a29) && a29 <= 599998)) || ((((0 < a4 + 86 && a29 / 5 < 190396) && a0 + 99 <= 0) && a0 + 147 <= 0) && a2 == 4)) || ((a0 + 147 <= 0 && a29 <= 599998) && 3 == a2)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && a29 / 5 < 190396) && 5 == a2) && a0 + 61 <= 0)) || (((a29 <= 599998 && !(a0 + 61 <= 0)) && 0 < a29 + 16) && 3 == a2)) || (5 == a2 && a29 + 16 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (a2 == 1 && a29 + 144 <= 0)) || ((((!(3 == a2) || (0 < 134676 + a29 / 5 && (!(a29 % 5 == 0) || 0 < 134675 + a29 / 5))) && 89 + a4 <= 0) && 51 + a29 <= 0) && 3 == a2)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && a0 + 147 <= 0)) || ((a29 / 5 < 190396 && a2 == 4) && 0 < 98 + a0)) || (((2 == a2 && a0 + 99 <= 0) && !(a4 + 86 <= 0)) && a29 <= 599998)) || (((89 + a4 <= 0 && 51 + a29 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((!(a4 + 86 <= 0) && a2 == 1) && a29 <= 599998)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 16 <= 0)) || (!(0 < a29 + 16) && (((a0 + 99 <= 0 && !(a4 + 86 <= 0)) && a2 == 4) || (((107 + a0 <= 0 && 0 <= 146 + a0) && a29 <= 599998) && a2 == 4)))) || ((((89 + a4 <= 0 && a29 + 16 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((!(3 == a2) && 89 + a4 <= 0) && a29 <= 599998) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 09:29:51,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2c39e1-ceb2-4032-8df4-4304f45a14af/bin/uautomizer-ug76WZFUDN/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