./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL --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 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:38:28,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:38:28,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:38:28,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:38:28,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:38:28,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:38:28,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:38:28,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:38:28,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:38:28,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:38:28,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:38:28,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:38:28,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:38:28,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:38:28,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:38:28,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:38:28,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:38:28,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:38:28,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:38:28,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:38:28,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:38:28,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:38:28,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:38:28,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:38:28,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:38:28,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:38:28,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:38:28,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:38:28,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:38:28,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:38:28,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:38:28,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:38:28,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:38:28,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:38:28,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:38:28,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:38:28,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:38:28,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:38:28,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:38:28,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:38:28,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:38:28,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:38:28,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:38:28,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:38:28,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:38:28,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:38:28,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:38:28,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:38:28,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:38:28,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:38:28,736 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:38:28,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:38:28,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:38:28,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:38:28,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:38:28,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:38:28,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:38:28,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:38:28,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:38:28,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:38:28,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:38:28,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:38:28,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:38:28,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:38:28,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:38:28,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:38:28,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:38:28,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:38:28,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:38:28,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:38:28,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:38:28,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:38:28,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:38:28,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:38:28,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:38:28,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:38:28,748 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_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d [2021-11-19 05:38:29,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:38:29,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:38:29,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:38:29,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:38:29,144 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:38:29,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c [2021-11-19 05:38:29,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/data/e1f3ea54b/307efa8886f34640b71c59d59c384fca/FLAGc0caaacfe [2021-11-19 05:38:29,985 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:38:29,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/sv-benchmarks/c/eca-rers2012/Problem11_label28.c [2021-11-19 05:38:30,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/data/e1f3ea54b/307efa8886f34640b71c59d59c384fca/FLAGc0caaacfe [2021-11-19 05:38:30,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/data/e1f3ea54b/307efa8886f34640b71c59d59c384fca [2021-11-19 05:38:30,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:38:30,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:38:30,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:38:30,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:38:30,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:38:30,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:38:30" (1/1) ... [2021-11-19 05:38:30,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c629231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:30, skipping insertion in model container [2021-11-19 05:38:30,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:38:30" (1/1) ... [2021-11-19 05:38:30,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:38:30,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:38:30,589 WARN L230 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_37b42a88-a66f-419b-be11-751a7856b5f2/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2021-11-19 05:38:30,967 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:38:30,978 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:38:31,032 WARN L230 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_37b42a88-a66f-419b-be11-751a7856b5f2/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2021-11-19 05:38:31,215 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:38:31,232 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:38:31,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31 WrapperNode [2021-11-19 05:38:31,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:38:31,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:38:31,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:38:31,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:38:31,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,430 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-19 05:38:31,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:38:31,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:38:31,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:38:31,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:38:31,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:38:31,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:38:31,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:38:31,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:38:31,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (1/1) ... [2021-11-19 05:38:31,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:38:31,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:31,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:38:31,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:38:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:38:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:38:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:38:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:38:31,901 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:38:31,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:38:33,749 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:38:33,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:38:33,772 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:38:33,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:33 BoogieIcfgContainer [2021-11-19 05:38:33,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:38:33,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:38:33,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:38:33,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:38:33,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:38:30" (1/3) ... [2021-11-19 05:38:33,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f7c56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:38:33, skipping insertion in model container [2021-11-19 05:38:33,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:38:31" (2/3) ... [2021-11-19 05:38:33,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f7c56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:38:33, skipping insertion in model container [2021-11-19 05:38:33,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:33" (3/3) ... [2021-11-19 05:38:33,788 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label28.c [2021-11-19 05:38:33,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:38:33,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:38:33,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:38:33,893 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:38:33,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:38:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-19 05:38:33,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:33,954 INFO L514 BasicCegarLoop]: 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] [2021-11-19 05:38:33,955 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:33,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2021-11-19 05:38:33,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:33,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171601155] [2021-11-19 05:38:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:33,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:34,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:34,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171601155] [2021-11-19 05:38:34,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171601155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:34,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:34,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:38:34,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316845934] [2021-11-19 05:38:34,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:34,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:34,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:34,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:34,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:34,341 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:35,712 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-11-19 05:38:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:35,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-11-19 05:38:35,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:35,740 INFO L225 Difference]: With dead ends: 776 [2021-11-19 05:38:35,741 INFO L226 Difference]: Without dead ends: 413 [2021-11-19 05:38:35,749 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:35,754 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 179 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:35,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 05:38:35,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-19 05:38:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-11-19 05:38:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-11-19 05:38:35,853 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 48 [2021-11-19 05:38:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:35,854 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-11-19 05:38:35,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-11-19 05:38:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:38:35,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:35,861 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:35,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:38:35,862 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:35,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2122398730, now seen corresponding path program 1 times [2021-11-19 05:38:35,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:35,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469343444] [2021-11-19 05:38:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:35,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:36,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:36,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469343444] [2021-11-19 05:38:36,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469343444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:36,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:36,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:38:36,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003628182] [2021-11-19 05:38:36,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:36,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:36,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:36,110 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:37,276 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-11-19 05:38:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2021-11-19 05:38:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:37,284 INFO L225 Difference]: With dead ends: 1209 [2021-11-19 05:38:37,284 INFO L226 Difference]: Without dead ends: 800 [2021-11-19 05:38:37,287 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:37,289 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:37,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 05:38:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-19 05:38:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-11-19 05:38:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-11-19 05:38:37,330 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 116 [2021-11-19 05:38:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:37,331 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-11-19 05:38:37,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-11-19 05:38:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-19 05:38:37,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:37,338 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:37,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:38:37,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:37,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash 151352741, now seen corresponding path program 1 times [2021-11-19 05:38:37,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:37,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125928279] [2021-11-19 05:38:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:37,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:37,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125928279] [2021-11-19 05:38:37,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125928279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:37,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:37,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:38:37,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794623257] [2021-11-19 05:38:37,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:37,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:37,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:37,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:37,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:37,515 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:38,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:38,424 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-11-19 05:38:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:38,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2021-11-19 05:38:38,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:38,432 INFO L225 Difference]: With dead ends: 1942 [2021-11-19 05:38:38,432 INFO L226 Difference]: Without dead ends: 1157 [2021-11-19 05:38:38,434 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:38,436 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:38,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:38:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-11-19 05:38:38,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-11-19 05:38:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-11-19 05:38:38,471 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 118 [2021-11-19 05:38:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:38,472 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-11-19 05:38:38,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-11-19 05:38:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-19 05:38:38,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:38,493 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:38,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:38:38,494 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:38,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:38,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625650, now seen corresponding path program 1 times [2021-11-19 05:38:38,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:38,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555659689] [2021-11-19 05:38:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:38,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:38,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:38,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555659689] [2021-11-19 05:38:38,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555659689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:38,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:38,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:38,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001138711] [2021-11-19 05:38:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:38,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:38,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:38,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:38,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:38,675 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:39,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:39,675 INFO L93 Difference]: Finished difference Result 2691 states and 3513 transitions. [2021-11-19 05:38:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:39,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2021-11-19 05:38:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:39,688 INFO L225 Difference]: With dead ends: 2691 [2021-11-19 05:38:39,689 INFO L226 Difference]: Without dead ends: 1721 [2021-11-19 05:38:39,691 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:39,693 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 158 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:39,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:38:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-11-19 05:38:39,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-11-19 05:38:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.260641781270465) internal successors, (1925), 1527 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1925 transitions. [2021-11-19 05:38:39,742 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1925 transitions. Word has length 160 [2021-11-19 05:38:39,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:39,742 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1925 transitions. [2021-11-19 05:38:39,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1925 transitions. [2021-11-19 05:38:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-19 05:38:39,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:39,751 INFO L514 BasicCegarLoop]: 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, 2, 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] [2021-11-19 05:38:39,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:38:39,752 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:39,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:39,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1640701857, now seen corresponding path program 1 times [2021-11-19 05:38:39,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:39,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675263810] [2021-11-19 05:38:39,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:39,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-19 05:38:39,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:39,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675263810] [2021-11-19 05:38:39,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675263810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:39,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:39,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:39,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919328546] [2021-11-19 05:38:39,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:39,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:39,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:39,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:39,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:39,947 INFO L87 Difference]: Start difference. First operand 1528 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:41,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:41,113 INFO L93 Difference]: Finished difference Result 3613 states and 4595 transitions. [2021-11-19 05:38:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:41,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 230 [2021-11-19 05:38:41,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:41,127 INFO L225 Difference]: With dead ends: 3613 [2021-11-19 05:38:41,128 INFO L226 Difference]: Without dead ends: 2087 [2021-11-19 05:38:41,131 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:41,132 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 149 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:41,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 387 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 05:38:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2021-11-19 05:38:41,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1896. [2021-11-19 05:38:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1895 states have (on average 1.2480211081794195) internal successors, (2365), 1895 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2365 transitions. [2021-11-19 05:38:41,188 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2365 transitions. Word has length 230 [2021-11-19 05:38:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:41,193 INFO L470 AbstractCegarLoop]: Abstraction has 1896 states and 2365 transitions. [2021-11-19 05:38:41,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2365 transitions. [2021-11-19 05:38:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-19 05:38:41,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:41,205 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-19 05:38:41,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:38:41,208 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:41,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:41,210 INFO L85 PathProgramCache]: Analyzing trace with hash 302674822, now seen corresponding path program 1 times [2021-11-19 05:38:41,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:41,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629717126] [2021-11-19 05:38:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:41,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-19 05:38:41,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:41,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629717126] [2021-11-19 05:38:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629717126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:41,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:41,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:38:41,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591707792] [2021-11-19 05:38:41,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:41,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:41,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:41,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:41,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:41,385 INFO L87 Difference]: Start difference. First operand 1896 states and 2365 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:42,346 INFO L93 Difference]: Finished difference Result 4894 states and 6199 transitions. [2021-11-19 05:38:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:42,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 241 [2021-11-19 05:38:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:42,365 INFO L225 Difference]: With dead ends: 4894 [2021-11-19 05:38:42,366 INFO L226 Difference]: Without dead ends: 3000 [2021-11-19 05:38:42,369 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:42,373 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:42,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:38:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2021-11-19 05:38:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2816. [2021-11-19 05:38:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2816 states, 2815 states have (on average 1.205328596802842) internal successors, (3393), 2815 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3393 transitions. [2021-11-19 05:38:42,463 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3393 transitions. Word has length 241 [2021-11-19 05:38:42,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:42,464 INFO L470 AbstractCegarLoop]: Abstraction has 2816 states and 3393 transitions. [2021-11-19 05:38:42,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3393 transitions. [2021-11-19 05:38:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-19 05:38:42,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:42,471 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:42,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:38:42,472 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:42,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1319455466, now seen corresponding path program 1 times [2021-11-19 05:38:42,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:42,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331848234] [2021-11-19 05:38:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:42,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:42,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:42,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331848234] [2021-11-19 05:38:42,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331848234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:42,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:42,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:42,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686212594] [2021-11-19 05:38:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:42,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:42,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:42,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:42,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:42,701 INFO L87 Difference]: Start difference. First operand 2816 states and 3393 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:43,788 INFO L93 Difference]: Finished difference Result 6931 states and 8403 transitions. [2021-11-19 05:38:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:43,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 257 [2021-11-19 05:38:43,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:43,811 INFO L225 Difference]: With dead ends: 6931 [2021-11-19 05:38:43,812 INFO L226 Difference]: Without dead ends: 4117 [2021-11-19 05:38:43,816 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:43,817 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 123 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:43,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 156 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 05:38:43,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4117 states. [2021-11-19 05:38:43,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4117 to 4113. [2021-11-19 05:38:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4112 states have (on average 1.1943093385214008) internal successors, (4911), 4112 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 4911 transitions. [2021-11-19 05:38:43,938 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 4911 transitions. Word has length 257 [2021-11-19 05:38:43,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:43,939 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 4911 transitions. [2021-11-19 05:38:43,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4911 transitions. [2021-11-19 05:38:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-19 05:38:43,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:43,946 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:43,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:38:43,947 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:43,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:43,948 INFO L85 PathProgramCache]: Analyzing trace with hash 886178797, now seen corresponding path program 1 times [2021-11-19 05:38:43,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:43,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232275481] [2021-11-19 05:38:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:43,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:44,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:44,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232275481] [2021-11-19 05:38:44,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232275481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:44,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:44,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:44,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562013882] [2021-11-19 05:38:44,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:44,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:38:44,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:44,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:38:44,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:38:44,104 INFO L87 Difference]: Start difference. First operand 4113 states and 4911 transitions. Second operand has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:46,028 INFO L93 Difference]: Finished difference Result 12101 states and 14579 transitions. [2021-11-19 05:38:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:38:46,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2021-11-19 05:38:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:46,081 INFO L225 Difference]: With dead ends: 12101 [2021-11-19 05:38:46,081 INFO L226 Difference]: Without dead ends: 7990 [2021-11-19 05:38:46,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:38:46,089 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 230 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:46,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 140 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:38:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7990 states. [2021-11-19 05:38:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7990 to 7985. [2021-11-19 05:38:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7985 states, 7984 states have (on average 1.18937875751503) internal successors, (9496), 7984 states have internal predecessors, (9496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7985 states to 7985 states and 9496 transitions. [2021-11-19 05:38:46,356 INFO L78 Accepts]: Start accepts. Automaton has 7985 states and 9496 transitions. Word has length 263 [2021-11-19 05:38:46,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:46,357 INFO L470 AbstractCegarLoop]: Abstraction has 7985 states and 9496 transitions. [2021-11-19 05:38:46,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 7985 states and 9496 transitions. [2021-11-19 05:38:46,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-19 05:38:46,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:46,365 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:46,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:38:46,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1947751424, now seen corresponding path program 1 times [2021-11-19 05:38:46,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:46,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993642614] [2021-11-19 05:38:46,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:46,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:46,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993642614] [2021-11-19 05:38:46,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993642614] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:46,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735864214] [2021-11-19 05:38:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:46,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:46,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:46,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:38:46,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:38:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:46,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:38:46,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-19 05:38:47,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:38:47,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735864214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:47,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:38:47,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-19 05:38:47,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858260375] [2021-11-19 05:38:47,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:47,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:38:47,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:47,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:38:47,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:38:47,877 INFO L87 Difference]: Start difference. First operand 7985 states and 9496 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:49,573 INFO L93 Difference]: Finished difference Result 20956 states and 24756 transitions. [2021-11-19 05:38:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:38:49,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2021-11-19 05:38:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:49,647 INFO L225 Difference]: With dead ends: 20956 [2021-11-19 05:38:49,648 INFO L226 Difference]: Without dead ends: 13341 [2021-11-19 05:38:49,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:38:49,662 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 275 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:49,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 203 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 05:38:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13341 states. [2021-11-19 05:38:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13341 to 10753. [2021-11-19 05:38:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 10752 states have (on average 1.177641369047619) internal successors, (12662), 10752 states have internal predecessors, (12662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 12662 transitions. [2021-11-19 05:38:50,021 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 12662 transitions. Word has length 266 [2021-11-19 05:38:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:50,022 INFO L470 AbstractCegarLoop]: Abstraction has 10753 states and 12662 transitions. [2021-11-19 05:38:50,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 12662 transitions. [2021-11-19 05:38:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-19 05:38:50,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:50,032 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:50,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:50,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:50,258 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:50,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:50,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1546626242, now seen corresponding path program 1 times [2021-11-19 05:38:50,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:50,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716674348] [2021-11-19 05:38:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:50,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 05:38:50,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:50,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716674348] [2021-11-19 05:38:50,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716674348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:50,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:50,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:50,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089190916] [2021-11-19 05:38:50,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:50,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:50,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:50,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:50,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:50,423 INFO L87 Difference]: Start difference. First operand 10753 states and 12662 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:51,422 INFO L93 Difference]: Finished difference Result 21134 states and 24934 transitions. [2021-11-19 05:38:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:51,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2021-11-19 05:38:51,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:51,447 INFO L225 Difference]: With dead ends: 21134 [2021-11-19 05:38:51,447 INFO L226 Difference]: Without dead ends: 10751 [2021-11-19 05:38:51,459 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:51,460 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 187 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:51,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 304 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:38:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10751 states. [2021-11-19 05:38:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10751 to 10751. [2021-11-19 05:38:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10751 states, 10750 states have (on average 1.1469767441860466) internal successors, (12330), 10750 states have internal predecessors, (12330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10751 states to 10751 states and 12330 transitions. [2021-11-19 05:38:51,708 INFO L78 Accepts]: Start accepts. Automaton has 10751 states and 12330 transitions. Word has length 278 [2021-11-19 05:38:51,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:51,709 INFO L470 AbstractCegarLoop]: Abstraction has 10751 states and 12330 transitions. [2021-11-19 05:38:51,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 10751 states and 12330 transitions. [2021-11-19 05:38:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-19 05:38:51,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:51,719 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:51,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 05:38:51,720 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:51,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash 627435673, now seen corresponding path program 1 times [2021-11-19 05:38:51,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:51,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460873146] [2021-11-19 05:38:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:51,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:51,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460873146] [2021-11-19 05:38:51,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460873146] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:51,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656084593] [2021-11-19 05:38:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:51,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:51,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:51,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:38:51,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:38:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:52,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:38:52,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:53,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:38:53,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656084593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:53,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:38:53,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-19 05:38:53,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298528506] [2021-11-19 05:38:53,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:53,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:53,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:53,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:53,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:38:53,093 INFO L87 Difference]: Start difference. First operand 10751 states and 12330 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:54,119 INFO L93 Difference]: Finished difference Result 22626 states and 26090 transitions. [2021-11-19 05:38:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:54,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-11-19 05:38:54,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:54,142 INFO L225 Difference]: With dead ends: 22626 [2021-11-19 05:38:54,143 INFO L226 Difference]: Without dead ends: 12245 [2021-11-19 05:38:54,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:38:54,155 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 99 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:54,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 326 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:38:54,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12245 states. [2021-11-19 05:38:54,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12245 to 12234. [2021-11-19 05:38:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12234 states, 12233 states have (on average 1.147224720019619) internal successors, (14034), 12233 states have internal predecessors, (14034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12234 states to 12234 states and 14034 transitions. [2021-11-19 05:38:54,401 INFO L78 Accepts]: Start accepts. Automaton has 12234 states and 14034 transitions. Word has length 281 [2021-11-19 05:38:54,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:54,402 INFO L470 AbstractCegarLoop]: Abstraction has 12234 states and 14034 transitions. [2021-11-19 05:38:54,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 12234 states and 14034 transitions. [2021-11-19 05:38:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-19 05:38:54,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:54,414 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:38:54,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:54,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 05:38:54,630 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:54,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash 510288335, now seen corresponding path program 1 times [2021-11-19 05:38:54,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:54,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949975816] [2021-11-19 05:38:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:54,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 05:38:54,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:54,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949975816] [2021-11-19 05:38:54,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949975816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:54,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:54,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:54,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33963513] [2021-11-19 05:38:54,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:54,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:54,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:54,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:54,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:54,788 INFO L87 Difference]: Start difference. First operand 12234 states and 14034 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:56,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:56,166 INFO L93 Difference]: Finished difference Result 27225 states and 31313 transitions. [2021-11-19 05:38:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2021-11-19 05:38:56,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:56,202 INFO L225 Difference]: With dead ends: 27225 [2021-11-19 05:38:56,202 INFO L226 Difference]: Without dead ends: 15361 [2021-11-19 05:38:56,218 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:38:56,219 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 152 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:56,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 363 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-19 05:38:56,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15361 states. [2021-11-19 05:38:56,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15361 to 14257. [2021-11-19 05:38:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14257 states, 14256 states have (on average 1.137135241301908) internal successors, (16211), 14256 states have internal predecessors, (16211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14257 states to 14257 states and 16211 transitions. [2021-11-19 05:38:56,498 INFO L78 Accepts]: Start accepts. Automaton has 14257 states and 16211 transitions. Word has length 310 [2021-11-19 05:38:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:56,499 INFO L470 AbstractCegarLoop]: Abstraction has 14257 states and 16211 transitions. [2021-11-19 05:38:56,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 14257 states and 16211 transitions. [2021-11-19 05:38:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-19 05:38:56,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:56,518 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-19 05:38:56,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 05:38:56,518 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2040805826, now seen corresponding path program 1 times [2021-11-19 05:38:56,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:56,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2943105] [2021-11-19 05:38:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 242 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:38:56,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:56,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2943105] [2021-11-19 05:38:56,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2943105] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:56,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647061657] [2021-11-19 05:38:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:56,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:56,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:56,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:38:56,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:38:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:57,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:38:57,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-19 05:38:58,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:38:58,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647061657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:58,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:38:58,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-19 05:38:58,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480293700] [2021-11-19 05:38:58,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:58,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:58,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:58,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:58,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:38:58,106 INFO L87 Difference]: Start difference. First operand 14257 states and 16211 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:59,092 INFO L93 Difference]: Finished difference Result 29625 states and 33706 transitions. [2021-11-19 05:38:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:38:59,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 335 [2021-11-19 05:38:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:59,130 INFO L225 Difference]: With dead ends: 29625 [2021-11-19 05:38:59,130 INFO L226 Difference]: Without dead ends: 15554 [2021-11-19 05:38:59,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:38:59,148 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 84 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:59,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 369 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 05:38:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15554 states. [2021-11-19 05:38:59,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15554 to 15183. [2021-11-19 05:38:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15183 states, 15182 states have (on average 1.1325253589777369) internal successors, (17194), 15182 states have internal predecessors, (17194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15183 states to 15183 states and 17194 transitions. [2021-11-19 05:38:59,430 INFO L78 Accepts]: Start accepts. Automaton has 15183 states and 17194 transitions. Word has length 335 [2021-11-19 05:38:59,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:59,431 INFO L470 AbstractCegarLoop]: Abstraction has 15183 states and 17194 transitions. [2021-11-19 05:38:59,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:38:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 15183 states and 17194 transitions. [2021-11-19 05:38:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-19 05:38:59,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:59,445 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-19 05:38:59,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:59,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:59,658 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1448916129, now seen corresponding path program 1 times [2021-11-19 05:38:59,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:59,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093032489] [2021-11-19 05:38:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:59,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-11-19 05:38:59,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:59,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093032489] [2021-11-19 05:38:59,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093032489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:59,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:59,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:38:59,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471486077] [2021-11-19 05:38:59,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:59,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:38:59,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:59,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:38:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:38:59,872 INFO L87 Difference]: Start difference. First operand 15183 states and 17194 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:00,565 INFO L93 Difference]: Finished difference Result 17761 states and 20103 transitions. [2021-11-19 05:39:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:39:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 344 [2021-11-19 05:39:00,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:00,602 INFO L225 Difference]: With dead ends: 17761 [2021-11-19 05:39:00,602 INFO L226 Difference]: Without dead ends: 17759 [2021-11-19 05:39:00,608 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:39:00,609 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 171 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:00,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 150 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:39:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17759 states. [2021-11-19 05:39:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17759 to 16839. [2021-11-19 05:39:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16839 states, 16838 states have (on average 1.1343389951300629) internal successors, (19100), 16838 states have internal predecessors, (19100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16839 states to 16839 states and 19100 transitions. [2021-11-19 05:39:00,983 INFO L78 Accepts]: Start accepts. Automaton has 16839 states and 19100 transitions. Word has length 344 [2021-11-19 05:39:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:00,984 INFO L470 AbstractCegarLoop]: Abstraction has 16839 states and 19100 transitions. [2021-11-19 05:39:00,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 16839 states and 19100 transitions. [2021-11-19 05:39:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-19 05:39:00,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:00,999 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:00,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 05:39:00,999 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:01,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1133150815, now seen corresponding path program 1 times [2021-11-19 05:39:01,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:01,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230499651] [2021-11-19 05:39:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:01,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 252 proven. 51 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-19 05:39:01,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:01,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230499651] [2021-11-19 05:39:01,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230499651] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:01,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082088459] [2021-11-19 05:39:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:01,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:01,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:01,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:39:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:01,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:39:01,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 05:39:02,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:39:02,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082088459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:02,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:02,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-19 05:39:02,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150693984] [2021-11-19 05:39:02,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:02,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:39:02,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:39:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:02,616 INFO L87 Difference]: Start difference. First operand 16839 states and 19100 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:03,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:03,451 INFO L93 Difference]: Finished difference Result 33862 states and 38390 transitions. [2021-11-19 05:39:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:39:03,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 356 [2021-11-19 05:39:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:03,478 INFO L225 Difference]: With dead ends: 33862 [2021-11-19 05:39:03,478 INFO L226 Difference]: Without dead ends: 17025 [2021-11-19 05:39:03,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:03,491 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 91 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:03,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 169 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 05:39:03,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17025 states. [2021-11-19 05:39:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17025 to 15919. [2021-11-19 05:39:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15919 states, 15918 states have (on average 1.1276542279180801) internal successors, (17950), 15918 states have internal predecessors, (17950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 17950 transitions. [2021-11-19 05:39:03,843 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 17950 transitions. Word has length 356 [2021-11-19 05:39:03,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:03,844 INFO L470 AbstractCegarLoop]: Abstraction has 15919 states and 17950 transitions. [2021-11-19 05:39:03,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 17950 transitions. [2021-11-19 05:39:03,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-19 05:39:03,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:03,862 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 05:39:03,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:04,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-19 05:39:04,078 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:04,078 INFO L85 PathProgramCache]: Analyzing trace with hash -84443467, now seen corresponding path program 1 times [2021-11-19 05:39:04,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:04,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078495621] [2021-11-19 05:39:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:04,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 281 proven. 58 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:39:04,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:04,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078495621] [2021-11-19 05:39:04,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078495621] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:04,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147853803] [2021-11-19 05:39:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:04,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:04,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:04,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:39:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:04,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:39:04,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 202 proven. 137 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:39:05,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 293 proven. 46 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:39:07,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147853803] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:39:07,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:39:07,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2021-11-19 05:39:07,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917110929] [2021-11-19 05:39:07,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:39:07,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:39:07,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:39:07,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:39:07,166 INFO L87 Difference]: Start difference. First operand 15919 states and 17950 transitions. Second operand has 11 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:15,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:15,061 INFO L93 Difference]: Finished difference Result 41783 states and 47212 transitions. [2021-11-19 05:39:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:39:15,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 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 373 [2021-11-19 05:39:15,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:15,096 INFO L225 Difference]: With dead ends: 41783 [2021-11-19 05:39:15,096 INFO L226 Difference]: Without dead ends: 25498 [2021-11-19 05:39:15,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2021-11-19 05:39:15,108 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 2446 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7548 mSolverCounterSat, 948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 8496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 948 IncrementalHoareTripleChecker+Valid, 7548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:15,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 222 Invalid, 8496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [948 Valid, 7548 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-19 05:39:15,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25498 states. [2021-11-19 05:39:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25498 to 17562. [2021-11-19 05:39:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17562 states, 17561 states have (on average 1.1097317920391778) internal successors, (19488), 17561 states have internal predecessors, (19488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17562 states to 17562 states and 19488 transitions. [2021-11-19 05:39:15,458 INFO L78 Accepts]: Start accepts. Automaton has 17562 states and 19488 transitions. Word has length 373 [2021-11-19 05:39:15,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:15,459 INFO L470 AbstractCegarLoop]: Abstraction has 17562 states and 19488 transitions. [2021-11-19 05:39:15,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 17562 states and 19488 transitions. [2021-11-19 05:39:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-11-19 05:39:15,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:15,494 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:15,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:15,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-19 05:39:15,722 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:15,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1802628130, now seen corresponding path program 1 times [2021-11-19 05:39:15,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:15,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409195352] [2021-11-19 05:39:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:15,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 137 proven. 229 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:39:16,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:16,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409195352] [2021-11-19 05:39:16,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409195352] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:16,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634315284] [2021-11-19 05:39:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:16,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:16,062 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:16,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:39:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:39:16,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 242 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:39:19,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 242 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:39:24,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634315284] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:39:24,997 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:39:24,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2021-11-19 05:39:24,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616252983] [2021-11-19 05:39:24,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:39:25,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:39:25,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:39:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:39:25,002 INFO L87 Difference]: Start difference. First operand 17562 states and 19488 transitions. Second operand has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:32,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:32,957 INFO L93 Difference]: Finished difference Result 50319 states and 55556 transitions. [2021-11-19 05:39:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-19 05:39:32,958 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 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 415 [2021-11-19 05:39:32,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:32,989 INFO L225 Difference]: With dead ends: 50319 [2021-11-19 05:39:32,989 INFO L226 Difference]: Without dead ends: 32943 [2021-11-19 05:39:33,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 822 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=395, Invalid=1011, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 05:39:33,005 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 5061 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 7001 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5061 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 8955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1954 IncrementalHoareTripleChecker+Valid, 7001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:33,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5061 Valid, 201 Invalid, 8955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1954 Valid, 7001 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-19 05:39:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32943 states. [2021-11-19 05:39:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32943 to 20320. [2021-11-19 05:39:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20320 states, 20319 states have (on average 1.0838131797824697) internal successors, (22022), 20319 states have internal predecessors, (22022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20320 states to 20320 states and 22022 transitions. [2021-11-19 05:39:33,560 INFO L78 Accepts]: Start accepts. Automaton has 20320 states and 22022 transitions. Word has length 415 [2021-11-19 05:39:33,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:33,561 INFO L470 AbstractCegarLoop]: Abstraction has 20320 states and 22022 transitions. [2021-11-19 05:39:33,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 20320 states and 22022 transitions. [2021-11-19 05:39:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-11-19 05:39:33,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:33,609 INFO L514 BasicCegarLoop]: 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, 5, 5, 5, 5, 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, 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] [2021-11-19 05:39:33,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:33,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-19 05:39:33,839 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash -580259533, now seen corresponding path program 1 times [2021-11-19 05:39:33,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:33,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8993502] [2021-11-19 05:39:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:33,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 229 proven. 516 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-11-19 05:39:34,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:34,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8993502] [2021-11-19 05:39:34,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8993502] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:34,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191667889] [2021-11-19 05:39:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:34,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:34,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:34,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:34,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:39:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:34,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:39:34,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-11-19 05:39:35,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:39:35,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191667889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:35,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:35,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-19 05:39:35,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257842201] [2021-11-19 05:39:35,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:35,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:39:35,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:35,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:39:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:39:35,635 INFO L87 Difference]: Start difference. First operand 20320 states and 22022 transitions. Second operand has 4 states, 4 states have (on average 81.75) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:37,156 INFO L93 Difference]: Finished difference Result 41376 states and 44833 transitions. [2021-11-19 05:39:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:39:37,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 552 [2021-11-19 05:39:37,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:37,184 INFO L225 Difference]: With dead ends: 41376 [2021-11-19 05:39:37,184 INFO L226 Difference]: Without dead ends: 21242 [2021-11-19 05:39:37,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:39:37,197 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 204 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:37,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 109 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 05:39:37,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21242 states. [2021-11-19 05:39:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21242 to 21056. [2021-11-19 05:39:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21056 states, 21055 states have (on average 1.0819757777250059) internal successors, (22781), 21055 states have internal predecessors, (22781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21056 states to 21056 states and 22781 transitions. [2021-11-19 05:39:37,578 INFO L78 Accepts]: Start accepts. Automaton has 21056 states and 22781 transitions. Word has length 552 [2021-11-19 05:39:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:37,578 INFO L470 AbstractCegarLoop]: Abstraction has 21056 states and 22781 transitions. [2021-11-19 05:39:37,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 21056 states and 22781 transitions. [2021-11-19 05:39:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-11-19 05:39:37,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:37,602 INFO L514 BasicCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 05:39:37,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:37,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 05:39:37,803 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:37,803 INFO L85 PathProgramCache]: Analyzing trace with hash 762866496, now seen corresponding path program 1 times [2021-11-19 05:39:37,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:37,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263504326] [2021-11-19 05:39:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:37,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 183 proven. 406 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-19 05:39:38,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:38,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263504326] [2021-11-19 05:39:38,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263504326] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:38,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207220800] [2021-11-19 05:39:38,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:38,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:38,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:38,153 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:38,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:39:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:38,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:39:38,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 235 proven. 452 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-19 05:39:39,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 183 proven. 406 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-19 05:39:43,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207220800] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:39:43,199 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:39:43,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2021-11-19 05:39:43,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238451882] [2021-11-19 05:39:43,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:39:43,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:39:43,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:43,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:39:43,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:39:43,204 INFO L87 Difference]: Start difference. First operand 21056 states and 22781 transitions. Second operand has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:47,297 INFO L93 Difference]: Finished difference Result 64429 states and 69461 transitions. [2021-11-19 05:39:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:39:47,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 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 570 [2021-11-19 05:39:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:47,344 INFO L225 Difference]: With dead ends: 64429 [2021-11-19 05:39:47,344 INFO L226 Difference]: Without dead ends: 43743 [2021-11-19 05:39:47,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1142 GetRequests, 1134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:39:47,357 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 1118 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 3705 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 4264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 3705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:47,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1118 Valid, 153 Invalid, 4264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 3705 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 05:39:47,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43743 states. [2021-11-19 05:39:47,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43743 to 23648. [2021-11-19 05:39:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23648 states, 23647 states have (on average 1.0820822937370491) internal successors, (25588), 23647 states have internal predecessors, (25588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23648 states to 23648 states and 25588 transitions. [2021-11-19 05:39:47,783 INFO L78 Accepts]: Start accepts. Automaton has 23648 states and 25588 transitions. Word has length 570 [2021-11-19 05:39:47,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:47,784 INFO L470 AbstractCegarLoop]: Abstraction has 23648 states and 25588 transitions. [2021-11-19 05:39:47,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 23648 states and 25588 transitions. [2021-11-19 05:39:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2021-11-19 05:39:47,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:47,802 INFO L514 BasicCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:47,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-19 05:39:48,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:48,016 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:48,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:48,017 INFO L85 PathProgramCache]: Analyzing trace with hash 745598085, now seen corresponding path program 1 times [2021-11-19 05:39:48,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:48,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813350201] [2021-11-19 05:39:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:48,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-11-19 05:39:48,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:48,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813350201] [2021-11-19 05:39:48,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813350201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:48,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:48,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:39:48,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365026664] [2021-11-19 05:39:48,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:48,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:39:48,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:48,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:39:48,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:39:48,281 INFO L87 Difference]: Start difference. First operand 23648 states and 25588 transitions. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:49,690 INFO L93 Difference]: Finished difference Result 57811 states and 62455 transitions. [2021-11-19 05:39:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:39:49,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 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 584 [2021-11-19 05:39:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:49,725 INFO L225 Difference]: With dead ends: 57811 [2021-11-19 05:39:49,725 INFO L226 Difference]: Without dead ends: 33425 [2021-11-19 05:39:49,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:39:49,738 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 219 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:49,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 56 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 05:39:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33425 states. [2021-11-19 05:39:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33425 to 28434. [2021-11-19 05:39:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28434 states, 28433 states have (on average 1.0777265853058067) internal successors, (30643), 28433 states have internal predecessors, (30643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28434 states to 28434 states and 30643 transitions. [2021-11-19 05:39:50,207 INFO L78 Accepts]: Start accepts. Automaton has 28434 states and 30643 transitions. Word has length 584 [2021-11-19 05:39:50,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:50,207 INFO L470 AbstractCegarLoop]: Abstraction has 28434 states and 30643 transitions. [2021-11-19 05:39:50,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 28434 states and 30643 transitions. [2021-11-19 05:39:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2021-11-19 05:39:50,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:50,228 INFO L514 BasicCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-11-19 05:39:50,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 05:39:50,229 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:50,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash 270747069, now seen corresponding path program 1 times [2021-11-19 05:39:50,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:50,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457665708] [2021-11-19 05:39:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:50,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 895 proven. 150 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 05:39:50,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:50,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457665708] [2021-11-19 05:39:50,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457665708] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:50,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272478310] [2021-11-19 05:39:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:50,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:50,706 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:50,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 05:39:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:50,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:39:50,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-19 05:39:52,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:39:52,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272478310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:52,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:52,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-11-19 05:39:52,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339695148] [2021-11-19 05:39:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:52,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:39:52,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:52,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:39:52,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:39:52,187 INFO L87 Difference]: Start difference. First operand 28434 states and 30643 transitions. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:53,169 INFO L93 Difference]: Finished difference Result 54661 states and 58965 transitions. [2021-11-19 05:39:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:39:53,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 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 610 [2021-11-19 05:39:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:53,326 INFO L225 Difference]: With dead ends: 54661 [2021-11-19 05:39:53,326 INFO L226 Difference]: Without dead ends: 28439 [2021-11-19 05:39:53,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:39:53,333 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:53,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 328 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 05:39:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28439 states. [2021-11-19 05:39:53,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28439 to 28434. [2021-11-19 05:39:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28434 states, 28433 states have (on average 1.074772271656174) internal successors, (30559), 28433 states have internal predecessors, (30559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28434 states to 28434 states and 30559 transitions. [2021-11-19 05:39:53,700 INFO L78 Accepts]: Start accepts. Automaton has 28434 states and 30559 transitions. Word has length 610 [2021-11-19 05:39:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:53,701 INFO L470 AbstractCegarLoop]: Abstraction has 28434 states and 30559 transitions. [2021-11-19 05:39:53,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28434 states and 30559 transitions. [2021-11-19 05:39:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-11-19 05:39:53,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:53,728 INFO L514 BasicCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-11-19 05:39:53,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:53,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:53,942 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1983796039, now seen corresponding path program 1 times [2021-11-19 05:39:53,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:53,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992169709] [2021-11-19 05:39:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:53,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-19 05:39:54,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:54,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992169709] [2021-11-19 05:39:54,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992169709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:54,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:54,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:39:54,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637269939] [2021-11-19 05:39:54,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:54,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:39:54,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:54,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:39:54,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:39:54,179 INFO L87 Difference]: Start difference. First operand 28434 states and 30559 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:55,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:55,281 INFO L93 Difference]: Finished difference Result 58345 states and 62715 transitions. [2021-11-19 05:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:39:55,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 626 [2021-11-19 05:39:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:55,322 INFO L225 Difference]: With dead ends: 58345 [2021-11-19 05:39:55,322 INFO L226 Difference]: Without dead ends: 32123 [2021-11-19 05:39:55,339 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:39:55,340 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 106 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:55,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 66 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:39:55,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32123 states. [2021-11-19 05:39:55,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32123 to 27690. [2021-11-19 05:39:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27690 states, 27689 states have (on average 1.0722308497959478) internal successors, (29689), 27689 states have internal predecessors, (29689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27690 states to 27690 states and 29689 transitions. [2021-11-19 05:39:55,869 INFO L78 Accepts]: Start accepts. Automaton has 27690 states and 29689 transitions. Word has length 626 [2021-11-19 05:39:55,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:55,869 INFO L470 AbstractCegarLoop]: Abstraction has 27690 states and 29689 transitions. [2021-11-19 05:39:55,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27690 states and 29689 transitions. [2021-11-19 05:39:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2021-11-19 05:39:55,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:55,890 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:55,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 05:39:55,890 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:55,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1939556016, now seen corresponding path program 1 times [2021-11-19 05:39:55,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:55,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139341817] [2021-11-19 05:39:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:55,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 1195 proven. 96 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2021-11-19 05:39:56,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:56,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139341817] [2021-11-19 05:39:56,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139341817] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:56,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003648566] [2021-11-19 05:39:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:56,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:56,268 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:56,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-19 05:39:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:56,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:39:56,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 1465 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-11-19 05:39:57,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:39:57,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003648566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:57,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:57,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-19 05:39:57,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178652404] [2021-11-19 05:39:57,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:57,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:39:57,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:39:57,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:57,819 INFO L87 Difference]: Start difference. First operand 27690 states and 29689 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:58,947 INFO L93 Difference]: Finished difference Result 60537 states and 64803 transitions. [2021-11-19 05:39:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:39:58,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 743 [2021-11-19 05:39:58,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:58,978 INFO L225 Difference]: With dead ends: 60537 [2021-11-19 05:39:58,978 INFO L226 Difference]: Without dead ends: 33217 [2021-11-19 05:39:58,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:58,992 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 73 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:58,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 330 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:39:59,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33217 states. [2021-11-19 05:39:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33217 to 26038. [2021-11-19 05:39:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26038 states, 26037 states have (on average 1.0715520221223642) internal successors, (27900), 26037 states have internal predecessors, (27900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26038 states to 26038 states and 27900 transitions. [2021-11-19 05:39:59,539 INFO L78 Accepts]: Start accepts. Automaton has 26038 states and 27900 transitions. Word has length 743 [2021-11-19 05:39:59,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:59,540 INFO L470 AbstractCegarLoop]: Abstraction has 26038 states and 27900 transitions. [2021-11-19 05:39:59,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:39:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 26038 states and 27900 transitions. [2021-11-19 05:39:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-11-19 05:39:59,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:59,560 INFO L514 BasicCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:59,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:59,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:59,761 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:59,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:59,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1592903774, now seen corresponding path program 1 times [2021-11-19 05:39:59,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:59,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169965758] [2021-11-19 05:39:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:59,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1273 proven. 64 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-19 05:40:00,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:40:00,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169965758] [2021-11-19 05:40:00,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169965758] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:40:00,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444392999] [2021-11-19 05:40:00,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:00,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:40:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:40:00,092 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:40:00,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-19 05:40:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:00,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:40:00,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:40:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1337 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-19 05:40:01,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:40:01,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444392999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:40:01,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:40:01,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-19 05:40:01,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58490699] [2021-11-19 05:40:01,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:40:01,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:40:01,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:40:01,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:40:01,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:40:01,678 INFO L87 Difference]: Start difference. First operand 26038 states and 27900 transitions. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:40:02,489 INFO L93 Difference]: Finished difference Result 51348 states and 55000 transitions. [2021-11-19 05:40:02,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:40:02,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 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 760 [2021-11-19 05:40:02,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:40:02,515 INFO L225 Difference]: With dead ends: 51348 [2021-11-19 05:40:02,516 INFO L226 Difference]: Without dead ends: 27152 [2021-11-19 05:40:02,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:40:02,528 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 77 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:40:02,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 342 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:40:02,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27152 states. [2021-11-19 05:40:03,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27152 to 24192. [2021-11-19 05:40:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24192 states, 24191 states have (on average 1.0707701211194245) internal successors, (25903), 24191 states have internal predecessors, (25903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24192 states to 24192 states and 25903 transitions. [2021-11-19 05:40:03,076 INFO L78 Accepts]: Start accepts. Automaton has 24192 states and 25903 transitions. Word has length 760 [2021-11-19 05:40:03,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:40:03,077 INFO L470 AbstractCegarLoop]: Abstraction has 24192 states and 25903 transitions. [2021-11-19 05:40:03,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 24192 states and 25903 transitions. [2021-11-19 05:40:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2021-11-19 05:40:03,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:40:03,103 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:40:03,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:40:03,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-19 05:40:03,304 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:40:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:40:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1793022811, now seen corresponding path program 1 times [2021-11-19 05:40:03,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:40:03,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049509395] [2021-11-19 05:40:03,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:03,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:40:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2134 backedges. 1427 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2021-11-19 05:40:03,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:40:03,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049509395] [2021-11-19 05:40:03,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049509395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:40:03,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:40:03,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:40:03,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887303905] [2021-11-19 05:40:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:40:03,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:40:03,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:40:03,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:40:03,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:40:03,757 INFO L87 Difference]: Start difference. First operand 24192 states and 25903 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:40:04,710 INFO L93 Difference]: Finished difference Result 48757 states and 52137 transitions. [2021-11-19 05:40:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:40:04,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 785 [2021-11-19 05:40:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:40:04,734 INFO L225 Difference]: With dead ends: 48757 [2021-11-19 05:40:04,734 INFO L226 Difference]: Without dead ends: 26407 [2021-11-19 05:40:04,743 INFO L932 BasicCegarLoop]: 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 [2021-11-19 05:40:04,743 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 148 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:40:04,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 52 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 05:40:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26407 states. [2021-11-19 05:40:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26407 to 23088. [2021-11-19 05:40:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23088 states, 23087 states have (on average 1.0691731277342227) internal successors, (24684), 23087 states have internal predecessors, (24684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23088 states to 23088 states and 24684 transitions. [2021-11-19 05:40:05,170 INFO L78 Accepts]: Start accepts. Automaton has 23088 states and 24684 transitions. Word has length 785 [2021-11-19 05:40:05,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:40:05,170 INFO L470 AbstractCegarLoop]: Abstraction has 23088 states and 24684 transitions. [2021-11-19 05:40:05,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23088 states and 24684 transitions. [2021-11-19 05:40:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2021-11-19 05:40:05,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:40:05,186 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:40:05,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 05:40:05,187 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:40:05,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:40:05,188 INFO L85 PathProgramCache]: Analyzing trace with hash 704676005, now seen corresponding path program 1 times [2021-11-19 05:40:05,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:40:05,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686143655] [2021-11-19 05:40:05,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:05,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:40:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 1325 proven. 750 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-19 05:40:05,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:40:05,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686143655] [2021-11-19 05:40:05,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686143655] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:40:05,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791063870] [2021-11-19 05:40:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:05,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:40:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:40:05,680 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:40:05,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-19 05:40:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:05,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:40:05,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:40:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 1526 proven. 0 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2021-11-19 05:40:07,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:40:07,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791063870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:40:07,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:40:07,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-11-19 05:40:07,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078513451] [2021-11-19 05:40:07,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:40:07,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:40:07,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:40:07,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:40:07,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:40:07,772 INFO L87 Difference]: Start difference. First operand 23088 states and 24684 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:08,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:40:08,590 INFO L93 Difference]: Finished difference Result 46015 states and 49195 transitions. [2021-11-19 05:40:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:40:08,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 807 [2021-11-19 05:40:08,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:40:08,614 INFO L225 Difference]: With dead ends: 46015 [2021-11-19 05:40:08,614 INFO L226 Difference]: Without dead ends: 24769 [2021-11-19 05:40:08,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:40:08,625 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 94 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:40:08,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 303 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 05:40:08,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24769 states. [2021-11-19 05:40:08,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24769 to 22536. [2021-11-19 05:40:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22536 states, 22535 states have (on average 1.0695806523186155) internal successors, (24103), 22535 states have internal predecessors, (24103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22536 states to 22536 states and 24103 transitions. [2021-11-19 05:40:08,916 INFO L78 Accepts]: Start accepts. Automaton has 22536 states and 24103 transitions. Word has length 807 [2021-11-19 05:40:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:40:08,916 INFO L470 AbstractCegarLoop]: Abstraction has 22536 states and 24103 transitions. [2021-11-19 05:40:08,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22536 states and 24103 transitions. [2021-11-19 05:40:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2021-11-19 05:40:08,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:40:08,933 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2021-11-19 05:40:08,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-19 05:40:09,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-19 05:40:09,147 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:40:09,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:40:09,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1760541586, now seen corresponding path program 1 times [2021-11-19 05:40:09,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:40:09,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976071211] [2021-11-19 05:40:09,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:09,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:40:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-11-19 05:40:09,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:40:09,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976071211] [2021-11-19 05:40:09,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976071211] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:40:09,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343672389] [2021-11-19 05:40:09,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:40:09,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:40:09,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:40:09,726 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:40:09,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-19 05:40:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:40:10,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:40:10,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:40:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-11-19 05:40:11,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:40:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-11-19 05:40:13,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343672389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:40:13,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:40:13,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-19 05:40:13,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178095432] [2021-11-19 05:40:13,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:40:13,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:40:13,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:40:13,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:40:13,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:40:13,446 INFO L87 Difference]: Start difference. First operand 22536 states and 24103 transitions. Second operand has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:15,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:40:15,920 INFO L93 Difference]: Finished difference Result 50793 states and 54223 transitions. [2021-11-19 05:40:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:40:15,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 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 823 [2021-11-19 05:40:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:40:15,922 INFO L225 Difference]: With dead ends: 50793 [2021-11-19 05:40:15,922 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 05:40:15,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1649 GetRequests, 1640 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:40:15,935 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 1231 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:40:15,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1231 Valid, 81 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:40:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 05:40:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 05:40:15,937 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) [2021-11-19 05:40:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 05:40:15,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 823 [2021-11-19 05:40:15,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:40:15,938 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:40:15,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:40:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:40:15,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 05:40:15,942 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:40:15,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:40:16,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-19 05:40:16,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 05:41:34,252 WARN L227 SmtUtils]: Spent 1.30m on a formula simplification. DAG size of input: 1128 DAG size of output: 1091 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-19 05:42:49,565 WARN L227 SmtUtils]: Spent 1.25m on a formula simplification. DAG size of input: 1128 DAG size of output: 1091 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-19 05:43:03,931 WARN L227 SmtUtils]: Spent 14.35s on a formula simplification. DAG size of input: 1091 DAG size of output: 169 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-19 05:43:17,125 WARN L227 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 1091 DAG size of output: 169 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-19 05:43:17,129 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-19 05:43:17,129 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,129 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-19 05:43:17,129 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,130 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,130 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-19 05:43:17,131 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-19 05:43:17,132 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,132 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,132 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,132 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,132 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-19 05:43:17,133 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-19 05:43:17,140 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-19 05:43:17,141 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse31 (+ ~a23~0 43)) (.cse17 (<= ~a25~0 10)) (.cse14 (<= ~a29~0 130)) (.cse0 (= ~a25~0 12)) (.cse18 (<= 0 (+ ~a23~0 599772))) (.cse6 (= ~a25~0 11)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse5 (= ~a8~0 15))) (let ((.cse15 (<= 260 ~a29~0)) (.cse25 (<= 0 (+ ~a23~0 577842))) (.cse21 (<= 0 (+ ~a23~0 437803))) (.cse23 (<= (+ 119992 ~a23~0) 0)) (.cse26 (= ~a25~0 13)) (.cse28 (or (and .cse0 .cse18 (<= ~a23~0 306) .cse2 .cse3 .cse5) (and .cse6 .cse2 .cse3 .cse5))) (.cse11 (<= 247 ~a29~0)) (.cse7 (<= 130 ~a29~0)) (.cse19 (or (and .cse17 .cse14) (and .cse0 .cse14))) (.cse13 (<= ~a25~0 9)) (.cse8 (<= .cse31 0)) (.cse10 (not .cse3)) (.cse1 (<= ~a29~0 277)) (.cse12 (<= 0 (+ (div (+ (- 600221) ~a23~0) 5) 370992))) (.cse24 (< 140 ~a29~0)) (.cse9 (<= ~a29~0 274)) (.cse16 (<= ~a4~0 0)) (.cse22 (<= ~a29~0 220)) (.cse20 (<= ~a23~0 312)) (.cse29 (<= 0 (+ ~a23~0 42))) (.cse27 (< 138 ~a23~0))) (or (and (let ((.cse4 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5))) .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse5 .cse11) (and .cse12 .cse8 .cse2 .cse13 .cse5 .cse14) (and .cse0 (<= 437900 ~a23~0) .cse2 .cse3 .cse5 .cse14) (and .cse15 (<= ~a29~0 275) .cse0 .cse2 .cse5 .cse16) (and .cse17 .cse2 .cse3 .cse5) (and .cse12 (<= 10 ~a25~0) .cse17 .cse2 .cse5 .cse16 .cse14) (and .cse18 .cse2 .cse19 .cse3 .cse20 .cse5) (and .cse8 (<= 10250 ~a29~0) .cse2 .cse13 .cse5) (and .cse21 .cse6 .cse2 .cse22 .cse23 .cse5 .cse7) (and .cse8 .cse0 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse24) .cse25 .cse2 .cse10 .cse5) (and .cse26 .cse8 .cse2 .cse3 .cse5 .cse7) (and .cse15 .cse25 .cse6 .cse2 .cse23 .cse5) (and .cse21 .cse6 .cse9 .cse2 .cse10 .cse20 .cse5 .cse11) (and .cse26 .cse27 (<= ~a23~0 262) .cse2 .cse5) (and .cse8 .cse0 .cse24 (<= 0 (+ ~a23~0 599908)) .cse9 .cse2 .cse10 .cse5) (and .cse28 .cse23 .cse7) (and .cse26 (<= 306 ~a23~0) .cse2 .cse3 .cse5) (and .cse26 .cse2 .cse10 .cse20 .cse5 .cse29) (and .cse26 .cse27 .cse9 .cse2 .cse20 .cse5 .cse7) (and .cse28 .cse11 .cse29 .cse7) (and .cse19 .cse3 .cse13) (let ((.cse30 (div ~a23~0 5))) (and .cse8 (< 0 (+ .cse30 553331)) .cse6 .cse2 .cse10 .cse5 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse30 553330))) .cse14)) (and .cse8 .cse17 .cse3) (and .cse0 .cse2 .cse10 .cse20 .cse5 .cse29) (and .cse20 (or (and .cse27 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse27 .cse1 .cse2 .cse5))) (and .cse12 (or .cse24 (< 0 .cse31)) .cse0 .cse9 .cse2 .cse5 .cse16) (and .cse17 .cse2 .cse22 .cse20 .cse5 .cse29 (or .cse27 (<= ~a29~0 140)))))) [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,142 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,143 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,144 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,144 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,144 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-19 05:43:17,150 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-19 05:43:17,151 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-19 05:43:17,151 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,151 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,152 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,153 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,153 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-19 05:43:17,153 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-19 05:43:17,153 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-19 05:43:17,153 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,154 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse31 (+ ~a23~0 43)) (.cse17 (<= ~a25~0 10)) (.cse14 (<= ~a29~0 130)) (.cse0 (= ~a25~0 12)) (.cse18 (<= 0 (+ ~a23~0 599772))) (.cse6 (= ~a25~0 11)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse5 (= ~a8~0 15))) (let ((.cse15 (<= 260 ~a29~0)) (.cse25 (<= 0 (+ ~a23~0 577842))) (.cse21 (<= 0 (+ ~a23~0 437803))) (.cse23 (<= (+ 119992 ~a23~0) 0)) (.cse26 (= ~a25~0 13)) (.cse28 (or (and .cse0 .cse18 (<= ~a23~0 306) .cse2 .cse3 .cse5) (and .cse6 .cse2 .cse3 .cse5))) (.cse11 (<= 247 ~a29~0)) (.cse7 (<= 130 ~a29~0)) (.cse19 (or (and .cse17 .cse14) (and .cse0 .cse14))) (.cse13 (<= ~a25~0 9)) (.cse8 (<= .cse31 0)) (.cse10 (not .cse3)) (.cse1 (<= ~a29~0 277)) (.cse12 (<= 0 (+ (div (+ (- 600221) ~a23~0) 5) 370992))) (.cse24 (< 140 ~a29~0)) (.cse9 (<= ~a29~0 274)) (.cse16 (<= ~a4~0 0)) (.cse22 (<= ~a29~0 220)) (.cse20 (<= ~a23~0 312)) (.cse29 (<= 0 (+ ~a23~0 42))) (.cse27 (< 138 ~a23~0))) (or (and (let ((.cse4 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5))) .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse5 .cse11) (and .cse12 .cse8 .cse2 .cse13 .cse5 .cse14) (and .cse0 (<= 437900 ~a23~0) .cse2 .cse3 .cse5 .cse14) (and .cse15 (<= ~a29~0 275) .cse0 .cse2 .cse5 .cse16) (and .cse17 .cse2 .cse3 .cse5) (and .cse12 (<= 10 ~a25~0) .cse17 .cse2 .cse5 .cse16 .cse14) (and .cse18 .cse2 .cse19 .cse3 .cse20 .cse5) (and .cse8 (<= 10250 ~a29~0) .cse2 .cse13 .cse5) (and .cse21 .cse6 .cse2 .cse22 .cse23 .cse5 .cse7) (and .cse8 .cse0 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse24) .cse25 .cse2 .cse10 .cse5) (and .cse26 .cse8 .cse2 .cse3 .cse5 .cse7) (and .cse15 .cse25 .cse6 .cse2 .cse23 .cse5) (and .cse21 .cse6 .cse9 .cse2 .cse10 .cse20 .cse5 .cse11) (and .cse26 .cse27 (<= ~a23~0 262) .cse2 .cse5) (and .cse8 .cse0 .cse24 (<= 0 (+ ~a23~0 599908)) .cse9 .cse2 .cse10 .cse5) (and .cse28 .cse23 .cse7) (and .cse26 (<= 306 ~a23~0) .cse2 .cse3 .cse5) (and .cse26 .cse2 .cse10 .cse20 .cse5 .cse29) (and .cse26 .cse27 .cse9 .cse2 .cse20 .cse5 .cse7) (and .cse28 .cse11 .cse29 .cse7) (and .cse19 .cse3 .cse13) (let ((.cse30 (div ~a23~0 5))) (and .cse8 (< 0 (+ .cse30 553331)) .cse6 .cse2 .cse10 .cse5 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse30 553330))) .cse14)) (and .cse8 .cse17 .cse3) (and .cse0 .cse2 .cse10 .cse20 .cse5 .cse29) (and .cse20 (or (and .cse27 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse27 .cse1 .cse2 .cse5))) (and .cse12 (or .cse24 (< 0 .cse31)) .cse0 .cse9 .cse2 .cse5 .cse16) (and .cse17 .cse2 .cse22 .cse20 .cse5 .cse29 (or .cse27 (<= ~a29~0 140)))))) [2021-11-19 05:43:17,154 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,154 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,154 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,154 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-19 05:43:17,155 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-19 05:43:17,156 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,157 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-19 05:43:17,158 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-19 05:43:17,159 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,160 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,161 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-19 05:43:17,162 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-19 05:43:17,163 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,164 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-19 05:43:17,165 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,166 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-19 05:43:17,167 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,168 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-19 05:43:17,169 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,170 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,171 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,172 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-19 05:43:17,173 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,174 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-19 05:43:17,175 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,176 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 05:43:17,177 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,178 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,179 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,180 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-19 05:43:17,181 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-19 05:43:17,181 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-19 05:43:17,181 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-19 05:43:17,184 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:43:17,186 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:43:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:43:17 BoogieIcfgContainer [2021-11-19 05:43:17,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:43:17,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:43:17,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:43:17,252 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:43:17,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:38:33" (3/4) ... [2021-11-19 05:43:17,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:43:17,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 05:43:17,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 05:43:17,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:43:17,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:43:17,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:43:17,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:43:17,535 INFO L158 Benchmark]: Toolchain (without parser) took 287313.26ms. Allocated memory was 94.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 60.2MB in the beginning and 958.1MB in the end (delta: -897.8MB). Peak memory consumption was 486.5MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,535 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:17,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1008.27ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 70.2MB in the end (delta: -10.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.55ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 52.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,539 INFO L158 Benchmark]: Boogie Preprocessor took 146.64ms. Allocated memory is still 127.9MB. Free memory was 52.7MB in the beginning and 43.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,541 INFO L158 Benchmark]: RCFGBuilder took 2197.36ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 43.7MB in the beginning and 117.5MB in the end (delta: -73.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,544 INFO L158 Benchmark]: TraceAbstraction took 283461.37ms. Allocated memory was 188.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 116.4MB in the beginning and 983.5MB in the end (delta: -867.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-19 05:43:17,544 INFO L158 Benchmark]: Witness Printer took 293.50ms. Allocated memory is still 1.5GB. Free memory was 983.5MB in the beginning and 958.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-19 05:43:17,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1008.27ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 70.2MB in the end (delta: -10.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.55ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 52.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.64ms. Allocated memory is still 127.9MB. Free memory was 52.7MB in the beginning and 43.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2197.36ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 43.7MB in the beginning and 117.5MB in the end (delta: -73.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 283461.37ms. Allocated memory was 188.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 116.4MB in the beginning and 983.5MB in the end (delta: -867.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 293.50ms. Allocated memory is still 1.5GB. Free memory was 983.5MB in the beginning and 958.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. 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: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 283.3s, OverallIterations: 27, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 49.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 181.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13118 SdHoareTripleChecker+Valid, 42.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13118 mSDsluCounter, 5809 SdHoareTripleChecker+Invalid, 35.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1040 mSDsCounter, 5889 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34469 IncrementalHoareTripleChecker+Invalid, 40358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5889 mSolverCounterUnsat, 4769 mSDtfsCounter, 34469 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9216 GetRequests, 9078 SyntacticMatches, 2 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28434occurred in iteration=20, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 72653 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 359 NumberOfFragments, 1497 HoareAnnotationTreeSize, 3 FomulaSimplifications, 225090 FormulaSimplificationTreeSizeReduction, 153.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1491482 FormulaSimplificationTreeSizeReductionInter, 27.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 36.0s InterpolantComputationTime, 18142 NumberOfCodeBlocks, 18142 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 20279 ConstructedInterpolants, 0 QuantifiedInterpolants, 83297 SizeOfPredicates, 11 NumberOfNonLiveVariables, 9331 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 44 InterpolantComputations, 23 PerfectInterpolantSequences, 33686/38089 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 277) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a25 == 11 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) && 130 <= a29) || ((((((a23 + 43 <= 0 && a25 == 12) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29)) || (((((0 <= (-600221 + a23) / 5 + 370992 && a23 + 43 <= 0) && a3 == 1) && a25 <= 9) && a8 == 15) && a29 <= 130)) || (((((a25 == 12 && 437900 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((0 <= (-600221 + a23) / 5 + 370992 && 10 <= a25) && a25 <= 10) && a3 == 1) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((((0 <= a23 + 599772 && a3 == 1) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((a23 + 43 <= 0 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || ((((((0 <= a23 + 437803 && a25 == 11) && a3 == 1) && a29 <= 220) && 119992 + a23 <= 0) && a8 == 15) && 130 <= a29)) || ((((((a23 + 43 <= 0 && a25 == 12) && (!(input == 3) || 140 < a29)) && 0 <= a23 + 577842) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((((a25 == 13 && a23 + 43 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((260 <= a29 && 0 <= a23 + 577842) && a25 == 11) && a3 == 1) && 119992 + a23 <= 0) && a8 == 15)) || (((((((0 <= a23 + 437803 && a25 == 11) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 247 <= a29)) || ((((a25 == 13 && 138 < a23) && a23 <= 262) && a3 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a25 == 12) && 140 < a29) && 0 <= a23 + 599908) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15)) && 119992 + a23 <= 0) && 130 <= a29)) || ((((a25 == 13 && 306 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || ((((((a25 == 13 && 138 < a23) && a29 <= 274) && a3 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15)) && 247 <= a29) && 0 <= a23 + 42) && 130 <= a29)) || ((((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130)) && a4 == 1) && a25 <= 9)) || (((((((a23 + 43 <= 0 && 0 < a23 / 5 + 553331) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 553330)) && a29 <= 130)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || (((((a25 == 12 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (a23 <= 312 && (((((138 < a23 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) || ((((a25 == 12 && 138 < a23) && a29 <= 277) && a3 == 1) && a8 == 15)))) || ((((((0 <= (-600221 + a23) / 5 + 370992 && (140 < a29 || 0 < a23 + 43)) && a25 == 12) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((((((a25 <= 10 && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42) && (138 < a23 || a29 <= 140)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 277) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a25 == 11 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) && 130 <= a29) || ((((((a23 + 43 <= 0 && a25 == 12) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29)) || (((((0 <= (-600221 + a23) / 5 + 370992 && a23 + 43 <= 0) && a3 == 1) && a25 <= 9) && a8 == 15) && a29 <= 130)) || (((((a25 == 12 && 437900 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((0 <= (-600221 + a23) / 5 + 370992 && 10 <= a25) && a25 <= 10) && a3 == 1) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((((0 <= a23 + 599772 && a3 == 1) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((a23 + 43 <= 0 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || ((((((0 <= a23 + 437803 && a25 == 11) && a3 == 1) && a29 <= 220) && 119992 + a23 <= 0) && a8 == 15) && 130 <= a29)) || ((((((a23 + 43 <= 0 && a25 == 12) && (!(input == 3) || 140 < a29)) && 0 <= a23 + 577842) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((((a25 == 13 && a23 + 43 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((260 <= a29 && 0 <= a23 + 577842) && a25 == 11) && a3 == 1) && 119992 + a23 <= 0) && a8 == 15)) || (((((((0 <= a23 + 437803 && a25 == 11) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 247 <= a29)) || ((((a25 == 13 && 138 < a23) && a23 <= 262) && a3 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a25 == 12) && 140 < a29) && 0 <= a23 + 599908) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15)) && 119992 + a23 <= 0) && 130 <= a29)) || ((((a25 == 13 && 306 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || ((((((a25 == 13 && 138 < a23) && a29 <= 274) && a3 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15)) && 247 <= a29) && 0 <= a23 + 42) && 130 <= a29)) || ((((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130)) && a4 == 1) && a25 <= 9)) || (((((((a23 + 43 <= 0 && 0 < a23 / 5 + 553331) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 553330)) && a29 <= 130)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || (((((a25 == 12 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (a23 <= 312 && (((((138 < a23 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) || ((((a25 == 12 && 138 < a23) && a29 <= 277) && a3 == 1) && a8 == 15)))) || ((((((0 <= (-600221 + a23) / 5 + 370992 && (140 < a29 || 0 < a23 + 43)) && a25 == 12) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((((((a25 <= 10 && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42) && (138 < a23 || a29 <= 140)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 05:43:17,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37b42a88-a66f-419b-be11-751a7856b5f2/bin/uautomizer-ZXIjhQolGL/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