./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_cev_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_cev_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa --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 b82cd3f33cd0371ecc54fd5e695dfc217a404774be3accec066f09c695f7181a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:06:32,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:06:32,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:06:32,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:06:32,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:06:32,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:06:32,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:06:32,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:06:32,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:06:32,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:06:32,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:06:32,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:06:32,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:06:32,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:06:32,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:06:32,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:06:32,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:06:32,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:06:32,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:06:32,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:06:32,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:06:32,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:06:32,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:06:32,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:06:32,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:06:32,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:06:32,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:06:32,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:06:32,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:06:32,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:06:32,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:06:32,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:06:32,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:06:32,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:06:32,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:06:32,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:06:32,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:06:32,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:06:32,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:06:32,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:06:32,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:06:32,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:06:32,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:06:32,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:06:32,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:06:32,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:06:32,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:06:32,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:06:32,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:06:32,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:06:32,937 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:06:32,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:06:32,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:06:32,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:06:32,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:06:32,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:06:32,940 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:06:32,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:06:32,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:06:32,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:06:32,941 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_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b82cd3f33cd0371ecc54fd5e695dfc217a404774be3accec066f09c695f7181a [2021-12-06 23:06:33,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:06:33,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:06:33,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:06:33,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:06:33,156 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:06:33,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/psyco/psyco_cev_1.c [2021-12-06 23:06:33,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/data/4af7b64eb/06b97435f27f4ae78559e788b84363b2/FLAG1a177d637 [2021-12-06 23:06:38,086 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:06:38,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/sv-benchmarks/c/psyco/psyco_cev_1.c [2021-12-06 23:06:39,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/data/4af7b64eb/06b97435f27f4ae78559e788b84363b2/FLAG1a177d637 [2021-12-06 23:06:39,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/data/4af7b64eb/06b97435f27f4ae78559e788b84363b2 [2021-12-06 23:06:39,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:06:39,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:06:39,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:06:39,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:06:39,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:06:39,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:06:39" (1/1) ... [2021-12-06 23:06:39,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6db53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:06:39, skipping insertion in model container [2021-12-06 23:06:39,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:06:39" (1/1) ... [2021-12-06 23:06:39,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:06:43,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:07:57,647 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_66aeac93-bd93-44db-8ef5-d404491877d0/sv-benchmarks/c/psyco/psyco_cev_1.c[48648179,48648192] [2021-12-06 23:07:57,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:07:57,853 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:08:52,158 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_66aeac93-bd93-44db-8ef5-d404491877d0/sv-benchmarks/c/psyco/psyco_cev_1.c[48648179,48648192] [2021-12-06 23:08:52,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:08:52,383 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:08:52,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52 WrapperNode [2021-12-06 23:08:52,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:08:52,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:08:52,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:08:52,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:08:52,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:08:55,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:05,962 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29790 [2021-12-06 23:09:05,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:09:05,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:09:05,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:09:05,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:09:05,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:05,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:08,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:08,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:13,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:13,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:14,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:16,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:09:16,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:09:16,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:09:16,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:09:16,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (1/1) ... [2021-12-06 23:09:16,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:09:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:16,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:16,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:09:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:09:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:09:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:09:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:09:16,665 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:09:16,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:09:28,187 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:09:28,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:09:28,224 INFO L301 CfgBuilder]: Removed 122 assume(true) statements. [2021-12-06 23:09:28,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:09:28 BoogieIcfgContainer [2021-12-06 23:09:28,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:09:28,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:09:28,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:09:28,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:09:28,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:06:39" (1/3) ... [2021-12-06 23:09:28,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e027023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:09:28, skipping insertion in model container [2021-12-06 23:09:28,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:52" (2/3) ... [2021-12-06 23:09:28,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e027023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:09:28, skipping insertion in model container [2021-12-06 23:09:28,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:09:28" (3/3) ... [2021-12-06 23:09:28,240 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_cev_1.c [2021-12-06 23:09:28,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:09:28,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:09:28,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:09:28,301 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 [2021-12-06 23:09:28,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:09:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 5007 states, 5005 states have (on average 1.999000999000999) internal successors, (10005), 5006 states have internal predecessors, (10005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 23:09:28,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:28,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:28,399 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:28,403 INFO L85 PathProgramCache]: Analyzing trace with hash 352597628, now seen corresponding path program 1 times [2021-12-06 23:09:28,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:28,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303482331] [2021-12-06 23:09:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:28,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:28,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:28,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303482331] [2021-12-06 23:09:28,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303482331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:28,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:28,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:09:28,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209382895] [2021-12-06 23:09:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:28,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 23:09:28,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 23:09:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:09:28,632 INFO L87 Difference]: Start difference. First operand has 5007 states, 5005 states have (on average 1.999000999000999) internal successors, (10005), 5006 states have internal predecessors, (10005), 0 states have call successors, (0), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:28,789 INFO L93 Difference]: Finished difference Result 8476 states and 16936 transitions. [2021-12-06 23:09:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 23:09:28,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-12-06 23:09:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:28,825 INFO L225 Difference]: With dead ends: 8476 [2021-12-06 23:09:28,825 INFO L226 Difference]: Without dead ends: 3439 [2021-12-06 23:09:28,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:09:28,839 INFO L933 BasicCegarLoop]: 5174 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5174 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:28,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:09:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2021-12-06 23:09:28,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3439. [2021-12-06 23:09:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 3438 states have (on average 1.486910994764398) internal successors, (5112), 3438 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 5112 transitions. [2021-12-06 23:09:28,975 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 5112 transitions. Word has length 9 [2021-12-06 23:09:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:28,976 INFO L470 AbstractCegarLoop]: Abstraction has 3439 states and 5112 transitions. [2021-12-06 23:09:28,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 5112 transitions. [2021-12-06 23:09:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 23:09:28,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:28,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:28,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:09:28,977 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1422671444, now seen corresponding path program 1 times [2021-12-06 23:09:28,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726595841] [2021-12-06 23:09:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:28,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:29,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:29,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726595841] [2021-12-06 23:09:29,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726595841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:29,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:29,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:29,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229899086] [2021-12-06 23:09:29,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:29,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:29,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:29,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:29,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:29,047 INFO L87 Difference]: Start difference. First operand 3439 states and 5112 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:29,311 INFO L93 Difference]: Finished difference Result 6879 states and 10226 transitions. [2021-12-06 23:09:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:29,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-12-06 23:09:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:29,331 INFO L225 Difference]: With dead ends: 6879 [2021-12-06 23:09:29,331 INFO L226 Difference]: Without dead ends: 3442 [2021-12-06 23:09:29,336 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 [2021-12-06 23:09:29,337 INFO L933 BasicCegarLoop]: 5111 mSDtfsCounter, 4 mSDsluCounter, 4996 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10107 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:29,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 10107 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2021-12-06 23:09:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 3442. [2021-12-06 23:09:29,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 3441 states have (on average 1.4864864864864864) internal successors, (5115), 3441 states have internal predecessors, (5115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5115 transitions. [2021-12-06 23:09:29,425 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5115 transitions. Word has length 10 [2021-12-06 23:09:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:29,425 INFO L470 AbstractCegarLoop]: Abstraction has 3442 states and 5115 transitions. [2021-12-06 23:09:29,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5115 transitions. [2021-12-06 23:09:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 23:09:29,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:29,426 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:29,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:09:29,427 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:29,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 658058847, now seen corresponding path program 1 times [2021-12-06 23:09:29,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:29,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487601499] [2021-12-06 23:09:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:29,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:29,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:29,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487601499] [2021-12-06 23:09:29,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487601499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:29,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:29,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:29,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791604911] [2021-12-06 23:09:29,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:29,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:29,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:29,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:29,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:29,504 INFO L87 Difference]: Start difference. First operand 3442 states and 5115 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:29,759 INFO L93 Difference]: Finished difference Result 6887 states and 10235 transitions. [2021-12-06 23:09:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:29,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-12-06 23:09:29,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:29,780 INFO L225 Difference]: With dead ends: 6887 [2021-12-06 23:09:29,780 INFO L226 Difference]: Without dead ends: 3448 [2021-12-06 23:09:29,785 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 [2021-12-06 23:09:29,787 INFO L933 BasicCegarLoop]: 5110 mSDtfsCounter, 832 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 9280 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:29,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [832 Valid, 9280 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:29,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2021-12-06 23:09:29,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 3446. [2021-12-06 23:09:29,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 3445 states have (on average 1.485921625544267) internal successors, (5119), 3445 states have internal predecessors, (5119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 5119 transitions. [2021-12-06 23:09:29,878 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 5119 transitions. Word has length 15 [2021-12-06 23:09:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:29,878 INFO L470 AbstractCegarLoop]: Abstraction has 3446 states and 5119 transitions. [2021-12-06 23:09:29,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 5119 transitions. [2021-12-06 23:09:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 23:09:29,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:29,879 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:29,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:09:29,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:29,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1502817370, now seen corresponding path program 1 times [2021-12-06 23:09:29,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:29,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755931706] [2021-12-06 23:09:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:29,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:29,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:29,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755931706] [2021-12-06 23:09:29,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755931706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:29,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:29,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:29,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18857927] [2021-12-06 23:09:29,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:29,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:29,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:29,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:29,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:29,946 INFO L87 Difference]: Start difference. First operand 3446 states and 5119 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:30,422 INFO L93 Difference]: Finished difference Result 10326 states and 15345 transitions. [2021-12-06 23:09:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:30,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 18 [2021-12-06 23:09:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:30,460 INFO L225 Difference]: With dead ends: 10326 [2021-12-06 23:09:30,460 INFO L226 Difference]: Without dead ends: 6871 [2021-12-06 23:09:30,466 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 [2021-12-06 23:09:30,467 INFO L933 BasicCegarLoop]: 5021 mSDtfsCounter, 4990 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:30,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4990 Valid, 10011 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:09:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2021-12-06 23:09:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 6821. [2021-12-06 23:09:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6821 states, 6820 states have (on average 1.4879765395894429) internal successors, (10148), 6820 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6821 states to 6821 states and 10148 transitions. [2021-12-06 23:09:30,649 INFO L78 Accepts]: Start accepts. Automaton has 6821 states and 10148 transitions. Word has length 18 [2021-12-06 23:09:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:30,649 INFO L470 AbstractCegarLoop]: Abstraction has 6821 states and 10148 transitions. [2021-12-06 23:09:30,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 6821 states and 10148 transitions. [2021-12-06 23:09:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 23:09:30,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:30,651 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:30,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:09:30,651 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash -910648410, now seen corresponding path program 1 times [2021-12-06 23:09:30,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:30,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501742316] [2021-12-06 23:09:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:30,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:30,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:30,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501742316] [2021-12-06 23:09:30,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501742316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:30,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:30,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:30,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993992401] [2021-12-06 23:09:30,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:30,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:30,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:30,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:30,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:30,718 INFO L87 Difference]: Start difference. First operand 6821 states and 10148 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:30,994 INFO L93 Difference]: Finished difference Result 13651 states and 20312 transitions. [2021-12-06 23:09:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:30,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 24 [2021-12-06 23:09:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:31,022 INFO L225 Difference]: With dead ends: 13651 [2021-12-06 23:09:31,023 INFO L226 Difference]: Without dead ends: 6833 [2021-12-06 23:09:31,028 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 [2021-12-06 23:09:31,029 INFO L933 BasicCegarLoop]: 5112 mSDtfsCounter, 833 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 9282 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:31,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 9282 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6833 states. [2021-12-06 23:09:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6833 to 6831. [2021-12-06 23:09:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6831 states, 6830 states have (on average 1.4872620790629576) internal successors, (10158), 6830 states have internal predecessors, (10158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6831 states to 6831 states and 10158 transitions. [2021-12-06 23:09:31,137 INFO L78 Accepts]: Start accepts. Automaton has 6831 states and 10158 transitions. Word has length 24 [2021-12-06 23:09:31,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:31,137 INFO L470 AbstractCegarLoop]: Abstraction has 6831 states and 10158 transitions. [2021-12-06 23:09:31,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6831 states and 10158 transitions. [2021-12-06 23:09:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 23:09:31,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:31,147 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:31,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:09:31,148 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:31,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:31,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2136041788, now seen corresponding path program 1 times [2021-12-06 23:09:31,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:31,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61897368] [2021-12-06 23:09:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:31,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:31,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:31,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61897368] [2021-12-06 23:09:31,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61897368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:31,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:31,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:31,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631555771] [2021-12-06 23:09:31,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:31,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:31,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:31,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:31,303 INFO L87 Difference]: Start difference. First operand 6831 states and 10158 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:31,479 INFO L93 Difference]: Finished difference Result 7409 states and 11009 transitions. [2021-12-06 23:09:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:31,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-12-06 23:09:31,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:31,505 INFO L225 Difference]: With dead ends: 7409 [2021-12-06 23:09:31,505 INFO L226 Difference]: Without dead ends: 7403 [2021-12-06 23:09:31,507 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 [2021-12-06 23:09:31,508 INFO L933 BasicCegarLoop]: 5100 mSDtfsCounter, 558 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 10090 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:31,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [558 Valid, 10090 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2021-12-06 23:09:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 7395. [2021-12-06 23:09:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7395 states, 7394 states have (on average 1.4870164998647553) internal successors, (10995), 7394 states have internal predecessors, (10995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7395 states to 7395 states and 10995 transitions. [2021-12-06 23:09:31,656 INFO L78 Accepts]: Start accepts. Automaton has 7395 states and 10995 transitions. Word has length 281 [2021-12-06 23:09:31,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:31,657 INFO L470 AbstractCegarLoop]: Abstraction has 7395 states and 10995 transitions. [2021-12-06 23:09:31,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7395 states and 10995 transitions. [2021-12-06 23:09:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-06 23:09:31,662 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:31,662 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:31,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:09:31,663 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:31,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1803574427, now seen corresponding path program 1 times [2021-12-06 23:09:31,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:31,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657321092] [2021-12-06 23:09:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:31,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:31,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:31,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657321092] [2021-12-06 23:09:31,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657321092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:31,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:31,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:31,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264378179] [2021-12-06 23:09:31,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:31,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:31,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:31,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:31,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:31,792 INFO L87 Difference]: Start difference. First operand 7395 states and 10995 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) [2021-12-06 23:09:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:32,112 INFO L93 Difference]: Finished difference Result 21045 states and 31299 transitions. [2021-12-06 23:09:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:32,113 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 282 [2021-12-06 23:09:32,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:32,136 INFO L225 Difference]: With dead ends: 21045 [2021-12-06 23:09:32,136 INFO L226 Difference]: Without dead ends: 14217 [2021-12-06 23:09:32,145 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 [2021-12-06 23:09:32,146 INFO L933 BasicCegarLoop]: 5030 mSDtfsCounter, 4729 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 10020 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:32,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4729 Valid, 10020 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:09:32,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14217 states. [2021-12-06 23:09:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14217 to 14169. [2021-12-06 23:09:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14169 states, 14168 states have (on average 1.487789384528515) internal successors, (21079), 14168 states have internal predecessors, (21079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14169 states to 14169 states and 21079 transitions. [2021-12-06 23:09:32,335 INFO L78 Accepts]: Start accepts. Automaton has 14169 states and 21079 transitions. Word has length 282 [2021-12-06 23:09:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:32,335 INFO L470 AbstractCegarLoop]: Abstraction has 14169 states and 21079 transitions. [2021-12-06 23:09:32,336 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) [2021-12-06 23:09:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 14169 states and 21079 transitions. [2021-12-06 23:09:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-06 23:09:32,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:32,340 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:32,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:09:32,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2098966105, now seen corresponding path program 1 times [2021-12-06 23:09:32,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:32,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959570734] [2021-12-06 23:09:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:32,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:32,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959570734] [2021-12-06 23:09:32,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959570734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:32,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:32,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:32,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653736345] [2021-12-06 23:09:32,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:32,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:32,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:32,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:32,440 INFO L87 Difference]: Start difference. First operand 14169 states and 21079 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:32,656 INFO L93 Difference]: Finished difference Result 27771 states and 41319 transitions. [2021-12-06 23:09:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:32,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 290 [2021-12-06 23:09:32,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:32,676 INFO L225 Difference]: With dead ends: 27771 [2021-12-06 23:09:32,676 INFO L226 Difference]: Without dead ends: 14169 [2021-12-06 23:09:32,686 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 [2021-12-06 23:09:32,687 INFO L933 BasicCegarLoop]: 5851 mSDtfsCounter, 4732 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:32,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4732 Valid, 6679 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:32,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14169 states. [2021-12-06 23:09:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14169 to 14163. [2021-12-06 23:09:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14163 states, 14162 states have (on average 1.4872193193051828) internal successors, (21062), 14162 states have internal predecessors, (21062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14163 states to 14163 states and 21062 transitions. [2021-12-06 23:09:32,849 INFO L78 Accepts]: Start accepts. Automaton has 14163 states and 21062 transitions. Word has length 290 [2021-12-06 23:09:32,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:32,850 INFO L470 AbstractCegarLoop]: Abstraction has 14163 states and 21062 transitions. [2021-12-06 23:09:32,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14163 states and 21062 transitions. [2021-12-06 23:09:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-06 23:09:32,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:32,854 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:32,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:09:32,854 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -157630313, now seen corresponding path program 1 times [2021-12-06 23:09:32,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:32,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324680248] [2021-12-06 23:09:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:32,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:32,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:32,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324680248] [2021-12-06 23:09:32,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324680248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:32,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:32,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:32,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240603945] [2021-12-06 23:09:32,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:32,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:32,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:32,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:32,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:32,931 INFO L87 Difference]: Start difference. First operand 14163 states and 21062 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:33,086 INFO L93 Difference]: Finished difference Result 25453 states and 37864 transitions. [2021-12-06 23:09:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:33,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 295 [2021-12-06 23:09:33,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:33,109 INFO L225 Difference]: With dead ends: 25453 [2021-12-06 23:09:33,109 INFO L226 Difference]: Without dead ends: 11857 [2021-12-06 23:09:33,122 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 [2021-12-06 23:09:33,123 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 3321 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:33,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3321 Valid, 6711 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2021-12-06 23:09:33,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11855. [2021-12-06 23:09:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11855 states, 11854 states have (on average 1.486755525560992) internal successors, (17624), 11854 states have internal predecessors, (17624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11855 states to 11855 states and 17624 transitions. [2021-12-06 23:09:33,300 INFO L78 Accepts]: Start accepts. Automaton has 11855 states and 17624 transitions. Word has length 295 [2021-12-06 23:09:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:33,300 INFO L470 AbstractCegarLoop]: Abstraction has 11855 states and 17624 transitions. [2021-12-06 23:09:33,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 11855 states and 17624 transitions. [2021-12-06 23:09:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-06 23:09:33,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:33,306 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:33,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:09:33,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1242924637, now seen corresponding path program 1 times [2021-12-06 23:09:33,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:33,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510799253] [2021-12-06 23:09:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:33,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:33,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:33,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510799253] [2021-12-06 23:09:33,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510799253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:33,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:33,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:33,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6832824] [2021-12-06 23:09:33,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:33,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:33,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:33,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:33,390 INFO L87 Difference]: Start difference. First operand 11855 states and 17624 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:33,518 INFO L93 Difference]: Finished difference Result 19791 states and 29408 transitions. [2021-12-06 23:09:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:33,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 300 [2021-12-06 23:09:33,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:33,526 INFO L225 Difference]: With dead ends: 19791 [2021-12-06 23:09:33,527 INFO L226 Difference]: Without dead ends: 8509 [2021-12-06 23:09:33,534 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 [2021-12-06 23:09:33,534 INFO L933 BasicCegarLoop]: 5066 mSDtfsCounter, 829 mSDsluCounter, 4133 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 9199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:33,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 9199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:33,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8509 states. [2021-12-06 23:09:33,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8509 to 8507. [2021-12-06 23:09:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8507 states, 8506 states have (on average 1.4841288502233718) internal successors, (12624), 8506 states have internal predecessors, (12624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8507 states to 8507 states and 12624 transitions. [2021-12-06 23:09:33,616 INFO L78 Accepts]: Start accepts. Automaton has 8507 states and 12624 transitions. Word has length 300 [2021-12-06 23:09:33,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:33,616 INFO L470 AbstractCegarLoop]: Abstraction has 8507 states and 12624 transitions. [2021-12-06 23:09:33,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8507 states and 12624 transitions. [2021-12-06 23:09:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-06 23:09:33,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:33,619 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:33,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:09:33,620 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:33,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:33,620 INFO L85 PathProgramCache]: Analyzing trace with hash 495997849, now seen corresponding path program 1 times [2021-12-06 23:09:33,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:33,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019183522] [2021-12-06 23:09:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:33,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 23:09:33,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:33,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019183522] [2021-12-06 23:09:33,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019183522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:33,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:33,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:09:33,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473126838] [2021-12-06 23:09:33,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:33,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:09:33,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:09:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:09:33,910 INFO L87 Difference]: Start difference. First operand 8507 states and 12624 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:34,211 INFO L93 Difference]: Finished difference Result 10222 states and 15158 transitions. [2021-12-06 23:09:34,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:09:34,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 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 300 [2021-12-06 23:09:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:34,222 INFO L225 Difference]: With dead ends: 10222 [2021-12-06 23:09:34,222 INFO L226 Difference]: Without dead ends: 10220 [2021-12-06 23:09:34,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:09:34,225 INFO L933 BasicCegarLoop]: 5022 mSDtfsCounter, 3291 mSDsluCounter, 9910 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 14932 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:34,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3291 Valid, 14932 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:09:34,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10220 states. [2021-12-06 23:09:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10220 to 10206. [2021-12-06 23:09:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10206 states, 10205 states have (on average 1.4838804507594316) internal successors, (15143), 10205 states have internal predecessors, (15143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10206 states to 10206 states and 15143 transitions. [2021-12-06 23:09:34,329 INFO L78 Accepts]: Start accepts. Automaton has 10206 states and 15143 transitions. Word has length 300 [2021-12-06 23:09:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:34,329 INFO L470 AbstractCegarLoop]: Abstraction has 10206 states and 15143 transitions. [2021-12-06 23:09:34,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 10206 states and 15143 transitions. [2021-12-06 23:09:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-06 23:09:34,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:34,332 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:34,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:09:34,333 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash -872883539, now seen corresponding path program 1 times [2021-12-06 23:09:34,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:34,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865230981] [2021-12-06 23:09:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:34,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:09:34,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:34,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865230981] [2021-12-06 23:09:34,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865230981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:34,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:34,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:34,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265326577] [2021-12-06 23:09:34,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:34,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:34,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:34,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:34,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:34,420 INFO L87 Difference]: Start difference. First operand 10206 states and 15143 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:34,544 INFO L93 Difference]: Finished difference Result 15876 states and 23561 transitions. [2021-12-06 23:09:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:34,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 301 [2021-12-06 23:09:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:34,552 INFO L225 Difference]: With dead ends: 15876 [2021-12-06 23:09:34,552 INFO L226 Difference]: Without dead ends: 7942 [2021-12-06 23:09:34,556 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 [2021-12-06 23:09:34,556 INFO L933 BasicCegarLoop]: 5057 mSDtfsCounter, 2490 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:34,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2490 Valid, 7532 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:34,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7942 states. [2021-12-06 23:09:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7942 to 7940. [2021-12-06 23:09:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7940 states, 7939 states have (on average 1.483688121929714) internal successors, (11779), 7939 states have internal predecessors, (11779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7940 states to 7940 states and 11779 transitions. [2021-12-06 23:09:34,630 INFO L78 Accepts]: Start accepts. Automaton has 7940 states and 11779 transitions. Word has length 301 [2021-12-06 23:09:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:34,631 INFO L470 AbstractCegarLoop]: Abstraction has 7940 states and 11779 transitions. [2021-12-06 23:09:34,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7940 states and 11779 transitions. [2021-12-06 23:09:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-06 23:09:34,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:34,634 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:34,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:09:34,634 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:34,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:34,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1968080903, now seen corresponding path program 1 times [2021-12-06 23:09:34,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:34,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071032831] [2021-12-06 23:09:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:34,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:09:34,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:34,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071032831] [2021-12-06 23:09:34,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071032831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:34,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:34,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:34,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55551102] [2021-12-06 23:09:34,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:34,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:34,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:34,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:34,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:34,715 INFO L87 Difference]: Start difference. First operand 7940 states and 11779 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:34,931 INFO L93 Difference]: Finished difference Result 13640 states and 20228 transitions. [2021-12-06 23:09:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:34,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 302 [2021-12-06 23:09:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:34,939 INFO L225 Difference]: With dead ends: 13640 [2021-12-06 23:09:34,939 INFO L226 Difference]: Without dead ends: 7972 [2021-12-06 23:09:34,942 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 [2021-12-06 23:09:34,943 INFO L933 BasicCegarLoop]: 5848 mSDtfsCounter, 3309 mSDsluCounter, 4951 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 10799 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:34,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 10799 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:09:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2021-12-06 23:09:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 7944. [2021-12-06 23:09:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7944 states, 7943 states have (on average 1.4830668513156238) internal successors, (11780), 7943 states have internal predecessors, (11780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7944 states to 7944 states and 11780 transitions. [2021-12-06 23:09:35,018 INFO L78 Accepts]: Start accepts. Automaton has 7944 states and 11780 transitions. Word has length 302 [2021-12-06 23:09:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:35,019 INFO L470 AbstractCegarLoop]: Abstraction has 7944 states and 11780 transitions. [2021-12-06 23:09:35,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7944 states and 11780 transitions. [2021-12-06 23:09:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-06 23:09:35,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:35,022 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:35,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:09:35,022 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:35,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1559323892, now seen corresponding path program 1 times [2021-12-06 23:09:35,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:35,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170273899] [2021-12-06 23:09:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:35,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:09:35,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170273899] [2021-12-06 23:09:35,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170273899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:35,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:35,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:35,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035243066] [2021-12-06 23:09:35,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:35,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:35,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:35,100 INFO L87 Difference]: Start difference. First operand 7944 states and 11780 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:35,223 INFO L93 Difference]: Finished difference Result 11366 states and 16848 transitions. [2021-12-06 23:09:35,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:35,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 303 [2021-12-06 23:09:35,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:35,231 INFO L225 Difference]: With dead ends: 11366 [2021-12-06 23:09:35,231 INFO L226 Difference]: Without dead ends: 5698 [2021-12-06 23:09:35,233 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 [2021-12-06 23:09:35,234 INFO L933 BasicCegarLoop]: 5052 mSDtfsCounter, 829 mSDsluCounter, 4120 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 9172 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:35,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 9172 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2021-12-06 23:09:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 5696. [2021-12-06 23:09:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5696 states, 5695 states have (on average 1.4807726075504828) internal successors, (8433), 5695 states have internal predecessors, (8433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5696 states to 5696 states and 8433 transitions. [2021-12-06 23:09:35,284 INFO L78 Accepts]: Start accepts. Automaton has 5696 states and 8433 transitions. Word has length 303 [2021-12-06 23:09:35,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:35,285 INFO L470 AbstractCegarLoop]: Abstraction has 5696 states and 8433 transitions. [2021-12-06 23:09:35,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5696 states and 8433 transitions. [2021-12-06 23:09:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-06 23:09:35,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:35,288 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:35,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 23:09:35,288 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash 749753356, now seen corresponding path program 1 times [2021-12-06 23:09:35,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:35,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804517943] [2021-12-06 23:09:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:35,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 23:09:35,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:35,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804517943] [2021-12-06 23:09:35,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804517943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:35,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:35,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:35,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360792215] [2021-12-06 23:09:35,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:35,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:35,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:35,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:35,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:35,366 INFO L87 Difference]: Start difference. First operand 5696 states and 8433 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:35,485 INFO L93 Difference]: Finished difference Result 8550 states and 12657 transitions. [2021-12-06 23:09:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:35,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 317 [2021-12-06 23:09:35,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:35,492 INFO L225 Difference]: With dead ends: 8550 [2021-12-06 23:09:35,492 INFO L226 Difference]: Without dead ends: 5130 [2021-12-06 23:09:35,493 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 [2021-12-06 23:09:35,494 INFO L933 BasicCegarLoop]: 5047 mSDtfsCounter, 1655 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 8342 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:35,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1655 Valid, 8342 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:35,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2021-12-06 23:09:35,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5128. [2021-12-06 23:09:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 5127 states have (on average 1.4803978935049737) internal successors, (7590), 5127 states have internal predecessors, (7590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7590 transitions. [2021-12-06 23:09:35,535 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7590 transitions. Word has length 317 [2021-12-06 23:09:35,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:35,536 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 7590 transitions. [2021-12-06 23:09:35,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7590 transitions. [2021-12-06 23:09:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2021-12-06 23:09:35,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:35,545 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:35,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:09:35,545 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:35,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1544417223, now seen corresponding path program 1 times [2021-12-06 23:09:35,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:35,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28306105] [2021-12-06 23:09:35,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:35,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:09:35,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:35,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28306105] [2021-12-06 23:09:35,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28306105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:35,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:35,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:35,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451510272] [2021-12-06 23:09:35,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:35,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:35,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:35,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:35,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:35,759 INFO L87 Difference]: Start difference. First operand 5128 states and 7590 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:35,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:35,998 INFO L93 Difference]: Finished difference Result 10264 states and 15192 transitions. [2021-12-06 23:09:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:35,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 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 566 [2021-12-06 23:09:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:36,007 INFO L225 Difference]: With dead ends: 10264 [2021-12-06 23:09:36,007 INFO L226 Difference]: Without dead ends: 7404 [2021-12-06 23:09:36,010 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 [2021-12-06 23:09:36,010 INFO L933 BasicCegarLoop]: 5838 mSDtfsCounter, 3031 mSDsluCounter, 4945 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 10783 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:36,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3031 Valid, 10783 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:09:36,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7404 states. [2021-12-06 23:09:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7404 to 7386. [2021-12-06 23:09:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 7385 states have (on average 1.4811103588354773) internal successors, (10938), 7385 states have internal predecessors, (10938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 10938 transitions. [2021-12-06 23:09:36,104 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 10938 transitions. Word has length 566 [2021-12-06 23:09:36,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:36,104 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 10938 transitions. [2021-12-06 23:09:36,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 10938 transitions. [2021-12-06 23:09:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-12-06 23:09:36,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:36,112 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:36,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 23:09:36,112 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:36,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:36,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1785850595, now seen corresponding path program 1 times [2021-12-06 23:09:36,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:36,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135361534] [2021-12-06 23:09:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:36,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 23:09:36,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:36,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135361534] [2021-12-06 23:09:36,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135361534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:36,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:36,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:36,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993071476] [2021-12-06 23:09:36,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:36,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:36,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:36,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:36,259 INFO L87 Difference]: Start difference. First operand 7386 states and 10938 transitions. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:36,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:36,502 INFO L93 Difference]: Finished difference Result 18742 states and 27758 transitions. [2021-12-06 23:09:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:36,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 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 572 [2021-12-06 23:09:36,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:36,519 INFO L225 Difference]: With dead ends: 18742 [2021-12-06 23:09:36,519 INFO L226 Difference]: Without dead ends: 13628 [2021-12-06 23:09:36,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:36,524 INFO L933 BasicCegarLoop]: 8334 mSDtfsCounter, 4393 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4393 SdHoareTripleChecker+Valid, 13278 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:36,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4393 Valid, 13278 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:09:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13628 states. [2021-12-06 23:09:36,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13628 to 13542. [2021-12-06 23:09:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13542 states, 13541 states have (on average 1.4839376707776384) internal successors, (20094), 13541 states have internal predecessors, (20094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13542 states to 13542 states and 20094 transitions. [2021-12-06 23:09:36,655 INFO L78 Accepts]: Start accepts. Automaton has 13542 states and 20094 transitions. Word has length 572 [2021-12-06 23:09:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:36,656 INFO L470 AbstractCegarLoop]: Abstraction has 13542 states and 20094 transitions. [2021-12-06 23:09:36,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 13542 states and 20094 transitions. [2021-12-06 23:09:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2021-12-06 23:09:36,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:36,666 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:36,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:09:36,666 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:36,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2057494101, now seen corresponding path program 1 times [2021-12-06 23:09:36,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:36,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208675814] [2021-12-06 23:09:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:36,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-06 23:09:36,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:36,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208675814] [2021-12-06 23:09:36,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208675814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:36,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:36,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:36,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223418556] [2021-12-06 23:09:36,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:36,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:09:36,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:36,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:36,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:36,803 INFO L87 Difference]: Start difference. First operand 13542 states and 20094 transitions. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:37,006 INFO L93 Difference]: Finished difference Result 20306 states and 30132 transitions. [2021-12-06 23:09:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:37,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 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 582 [2021-12-06 23:09:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:09:37,025 INFO L225 Difference]: With dead ends: 20306 [2021-12-06 23:09:37,025 INFO L226 Difference]: Without dead ends: 20298 [2021-12-06 23:09:37,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:37,030 INFO L933 BasicCegarLoop]: 5014 mSDtfsCounter, 2205 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 9961 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:09:37,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 9961 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:09:37,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20298 states. [2021-12-06 23:09:37,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20298 to 20256. [2021-12-06 23:09:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20256 states, 20255 states have (on average 1.4849666748950876) internal successors, (30078), 20255 states have internal predecessors, (30078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20256 states to 20256 states and 30078 transitions. [2021-12-06 23:09:37,238 INFO L78 Accepts]: Start accepts. Automaton has 20256 states and 30078 transitions. Word has length 582 [2021-12-06 23:09:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:09:37,238 INFO L470 AbstractCegarLoop]: Abstraction has 20256 states and 30078 transitions. [2021-12-06 23:09:37,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 20256 states and 30078 transitions. [2021-12-06 23:09:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-12-06 23:09:37,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:09:37,249 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:37,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 23:09:37,250 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:09:37,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:37,250 INFO L85 PathProgramCache]: Analyzing trace with hash 781394477, now seen corresponding path program 1 times [2021-12-06 23:09:37,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:37,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303037289] [2021-12-06 23:09:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:37,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:37,302 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:37,642 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:37,643 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:09:37,643 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:09:37,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 23:09:37,647 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] [2021-12-06 23:09:37,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:09:37,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:09:37 BoogieIcfgContainer [2021-12-06 23:09:37,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:09:37,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:09:37,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:09:37,805 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:09:37,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:09:28" (3/4) ... [2021-12-06 23:09:37,806 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 23:09:37,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:09:37,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:09:37,965 INFO L158 Benchmark]: Toolchain (without parser) took 178225.88ms. Allocated memory was 4.0GB in the beginning and 11.8GB in the end (delta: 7.9GB). Free memory was 3.0GB in the beginning and 5.3GB in the end (delta: -2.3GB). Peak memory consumption was 5.6GB. Max. memory is 16.1GB. [2021-12-06 23:09:37,965 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:09:37,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 132643.88ms. Allocated memory was 4.0GB in the beginning and 6.4GB in the end (delta: 2.4GB). Free memory was 3.0GB in the beginning and 1.9GB in the end (delta: 1.1GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2021-12-06 23:09:37,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 13577.17ms. Allocated memory was 6.4GB in the beginning and 8.7GB in the end (delta: 2.3GB). Free memory was 1.9GB in the beginning and 3.4GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-06 23:09:37,966 INFO L158 Benchmark]: Boogie Preprocessor took 10307.60ms. Allocated memory was 8.7GB in the beginning and 10.7GB in the end (delta: 2.0GB). Free memory was 3.4GB in the beginning and 4.2GB in the end (delta: -710.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-06 23:09:37,967 INFO L158 Benchmark]: RCFGBuilder took 11960.62ms. Allocated memory was 10.7GB in the beginning and 11.8GB in the end (delta: 1.1GB). Free memory was 4.2GB in the beginning and 5.5GB in the end (delta: -1.4GB). Peak memory consumption was 627.0MB. Max. memory is 16.1GB. [2021-12-06 23:09:37,967 INFO L158 Benchmark]: TraceAbstraction took 9570.66ms. Allocated memory is still 11.8GB. Free memory was 5.5GB in the beginning and 5.4GB in the end (delta: 181.5MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. [2021-12-06 23:09:37,968 INFO L158 Benchmark]: Witness Printer took 160.36ms. Allocated memory is still 11.8GB. Free memory was 5.4GB in the beginning and 5.3GB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-12-06 23:09:37,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 132643.88ms. Allocated memory was 4.0GB in the beginning and 6.4GB in the end (delta: 2.4GB). Free memory was 3.0GB in the beginning and 1.9GB in the end (delta: 1.1GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 13577.17ms. Allocated memory was 6.4GB in the beginning and 8.7GB in the end (delta: 2.3GB). Free memory was 1.9GB in the beginning and 3.4GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Boogie Preprocessor took 10307.60ms. Allocated memory was 8.7GB in the beginning and 10.7GB in the end (delta: 2.0GB). Free memory was 3.4GB in the beginning and 4.2GB in the end (delta: -710.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * RCFGBuilder took 11960.62ms. Allocated memory was 10.7GB in the beginning and 11.8GB in the end (delta: 1.1GB). Free memory was 4.2GB in the beginning and 5.5GB in the end (delta: -1.4GB). Peak memory consumption was 627.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9570.66ms. Allocated memory is still 11.8GB. Free memory was 5.5GB in the beginning and 5.4GB in the end (delta: 181.5MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. * Witness Printer took 160.36ms. Allocated memory is still 11.8GB. Free memory was 5.4GB in the beginning and 5.3GB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. 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 - CounterExampleResult [Line: 26702]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_stage2Separation = 1; [L8] int m_completion = 2; [L9] int m_tliBurn = 3; [L10] int m_loiBurn = 4; [L11] int m_stage1Separation = 5; [L12] int m_edsSeparation = 6; [L13] int m_lsamAscentRendezvous = 7; [L14] int m_smSeparation = 8; [L15] int m_eiBurn = 9; [L16] int m_lsamRendezvous = 10; [L17] int m_teiBurn = 11; [L18] int m_CEV = 12; [L19] int m_abort = 13; [L20] int m_enterOrbitOps = 14; [L21] int m_failure = 15; [L22] int m_lsamSeparation = 16; [L23] int m_abortPassiveLAScompletion = 17; [L24] int m_lasJettison = 18; [L25] int m_lsamAscentBurn = 19; [L26] int m_srbIgnition = 20; [L27] int m_deOrbit = 21; VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L32] int q = 0; [L33] int method_id; [L36] int this_spacecraft_cLSAM_ASCENT = 0; [L37] int this_spacecraft_cEDS = 0; [L38] int this_spacecraft_cLSAM_DESCENT = 0; [L39] int this_spacecraft_cLAS = 1; [L40] int this_spacecraft_cStage1 = 1; [L41] int this_spacecraft_cStage2 = 1; [L42] int this_spacecraft_cCM = 1; [L43] int this_spacecraft_cSM = 1; VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND TRUE q == 0 [L58] COND TRUE __VERIFIER_nondet_int() [L62] method_id = 12 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L64] COND FALSE !(0) [L68] q = 2 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND TRUE __VERIFIER_nondet_int() [L293] method_id = 8 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=1, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L295] COND FALSE !(0) [L299] q = 2 [L301] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L301] this_spacecraft_cCM=this_spacecraft_cCM [L301] this_spacecraft_cSM=0 [L301] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L301] this_spacecraft_cEDS=this_spacecraft_cEDS [L301] this_spacecraft_cLAS=this_spacecraft_cLAS [L301] this_spacecraft_cStage2=this_spacecraft_cStage2 [L301] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=1, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=0, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=0, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND FALSE !(__VERIFIER_nondet_int()) [L305] COND FALSE !(__VERIFIER_nondet_int()) [L321] COND FALSE !(__VERIFIER_nondet_int()) [L337] COND FALSE !(__VERIFIER_nondet_int()) [L353] COND FALSE !(__VERIFIER_nondet_int()) [L369] COND FALSE !(__VERIFIER_nondet_int()) [L385] COND FALSE !(__VERIFIER_nondet_int()) [L401] COND FALSE !(__VERIFIER_nondet_int()) [L417] COND FALSE !(__VERIFIER_nondet_int()) [L433] COND FALSE !(__VERIFIER_nondet_int()) [L449] COND FALSE !(__VERIFIER_nondet_int()) [L465] COND FALSE !(__VERIFIER_nondet_int()) [L481] COND FALSE !(__VERIFIER_nondet_int()) [L497] COND FALSE !(__VERIFIER_nondet_int()) [L513] COND FALSE !(__VERIFIER_nondet_int()) [L529] COND FALSE !(__VERIFIER_nondet_int()) [L545] COND FALSE !(__VERIFIER_nondet_int()) [L561] COND FALSE !(__VERIFIER_nondet_int()) [L577] COND FALSE !(__VERIFIER_nondet_int()) [L593] COND FALSE !(__VERIFIER_nondet_int()) [L609] COND FALSE !(__VERIFIER_nondet_int()) [L625] COND FALSE !(__VERIFIER_nondet_int()) [L641] COND FALSE !(__VERIFIER_nondet_int()) [L657] COND FALSE !(__VERIFIER_nondet_int()) [L673] COND FALSE !(__VERIFIER_nondet_int()) [L689] COND FALSE !(__VERIFIER_nondet_int()) [L705] COND FALSE !(__VERIFIER_nondet_int()) [L721] COND FALSE !(__VERIFIER_nondet_int()) [L737] COND FALSE !(__VERIFIER_nondet_int()) [L753] COND FALSE !(__VERIFIER_nondet_int()) [L769] COND FALSE !(__VERIFIER_nondet_int()) [L785] COND FALSE !(__VERIFIER_nondet_int()) [L801] COND FALSE !(__VERIFIER_nondet_int()) [L817] COND FALSE !(__VERIFIER_nondet_int()) [L833] COND FALSE !(__VERIFIER_nondet_int()) [L849] COND FALSE !(__VERIFIER_nondet_int()) [L865] COND FALSE !(__VERIFIER_nondet_int()) [L881] COND FALSE !(__VERIFIER_nondet_int()) [L897] COND FALSE !(__VERIFIER_nondet_int()) [L913] COND FALSE !(__VERIFIER_nondet_int()) [L929] COND FALSE !(__VERIFIER_nondet_int()) [L945] COND FALSE !(__VERIFIER_nondet_int()) [L961] COND FALSE !(__VERIFIER_nondet_int()) [L977] COND FALSE !(__VERIFIER_nondet_int()) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1025] COND FALSE !(__VERIFIER_nondet_int()) [L1041] COND FALSE !(__VERIFIER_nondet_int()) [L1057] COND FALSE !(__VERIFIER_nondet_int()) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1089] COND FALSE !(__VERIFIER_nondet_int()) [L1105] COND FALSE !(__VERIFIER_nondet_int()) [L1121] COND FALSE !(__VERIFIER_nondet_int()) [L1137] COND FALSE !(__VERIFIER_nondet_int()) [L1153] COND FALSE !(__VERIFIER_nondet_int()) [L1169] COND FALSE !(__VERIFIER_nondet_int()) [L1185] COND FALSE !(__VERIFIER_nondet_int()) [L1201] COND FALSE !(__VERIFIER_nondet_int()) [L1217] COND FALSE !(__VERIFIER_nondet_int()) [L1233] COND FALSE !(__VERIFIER_nondet_int()) [L1249] COND FALSE !(__VERIFIER_nondet_int()) [L1265] COND FALSE !(__VERIFIER_nondet_int()) [L1281] COND FALSE !(__VERIFIER_nondet_int()) [L1297] COND FALSE !(__VERIFIER_nondet_int()) [L1313] COND FALSE !(__VERIFIER_nondet_int()) [L1329] COND FALSE !(__VERIFIER_nondet_int()) [L1345] COND FALSE !(__VERIFIER_nondet_int()) [L1361] COND FALSE !(__VERIFIER_nondet_int()) [L1377] COND FALSE !(__VERIFIER_nondet_int()) [L1393] COND FALSE !(__VERIFIER_nondet_int()) [L1409] COND FALSE !(__VERIFIER_nondet_int()) [L1425] COND FALSE !(__VERIFIER_nondet_int()) [L1441] COND FALSE !(__VERIFIER_nondet_int()) [L1457] COND FALSE !(__VERIFIER_nondet_int()) [L1473] COND FALSE !(__VERIFIER_nondet_int()) [L1489] COND FALSE !(__VERIFIER_nondet_int()) [L1505] COND FALSE !(__VERIFIER_nondet_int()) [L1521] COND FALSE !(__VERIFIER_nondet_int()) [L1537] COND FALSE !(__VERIFIER_nondet_int()) [L1553] COND FALSE !(__VERIFIER_nondet_int()) [L1569] COND FALSE !(__VERIFIER_nondet_int()) [L1585] COND FALSE !(__VERIFIER_nondet_int()) [L1601] COND FALSE !(__VERIFIER_nondet_int()) [L1617] COND FALSE !(__VERIFIER_nondet_int()) [L1633] COND FALSE !(__VERIFIER_nondet_int()) [L1649] COND FALSE !(__VERIFIER_nondet_int()) [L1665] COND FALSE !(__VERIFIER_nondet_int()) [L1681] COND FALSE !(__VERIFIER_nondet_int()) [L1697] COND FALSE !(__VERIFIER_nondet_int()) [L1713] COND FALSE !(__VERIFIER_nondet_int()) [L1729] COND FALSE !(__VERIFIER_nondet_int()) [L1745] COND FALSE !(__VERIFIER_nondet_int()) [L1761] COND FALSE !(__VERIFIER_nondet_int()) [L1777] COND FALSE !(__VERIFIER_nondet_int()) [L1793] COND FALSE !(__VERIFIER_nondet_int()) [L1809] COND FALSE !(__VERIFIER_nondet_int()) [L1825] COND FALSE !(__VERIFIER_nondet_int()) [L1841] COND FALSE !(__VERIFIER_nondet_int()) [L1857] COND FALSE !(__VERIFIER_nondet_int()) [L1873] COND FALSE !(__VERIFIER_nondet_int()) [L1889] COND FALSE !(__VERIFIER_nondet_int()) [L1905] COND FALSE !(__VERIFIER_nondet_int()) [L1921] COND FALSE !(__VERIFIER_nondet_int()) [L1937] COND FALSE !(__VERIFIER_nondet_int()) [L1953] COND FALSE !(__VERIFIER_nondet_int()) [L1969] COND FALSE !(__VERIFIER_nondet_int()) [L1985] COND FALSE !(__VERIFIER_nondet_int()) [L2001] COND FALSE !(__VERIFIER_nondet_int()) [L2017] COND FALSE !(__VERIFIER_nondet_int()) [L2033] COND FALSE !(__VERIFIER_nondet_int()) [L2049] COND FALSE !(__VERIFIER_nondet_int()) [L2065] COND FALSE !(__VERIFIER_nondet_int()) [L2081] COND FALSE !(__VERIFIER_nondet_int()) [L2097] COND FALSE !(__VERIFIER_nondet_int()) [L2113] COND FALSE !(__VERIFIER_nondet_int()) [L2129] COND FALSE !(__VERIFIER_nondet_int()) [L2145] COND FALSE !(__VERIFIER_nondet_int()) [L2161] COND FALSE !(__VERIFIER_nondet_int()) [L2177] COND FALSE !(__VERIFIER_nondet_int()) [L2193] COND FALSE !(__VERIFIER_nondet_int()) [L2209] COND FALSE !(__VERIFIER_nondet_int()) [L2225] COND FALSE !(__VERIFIER_nondet_int()) [L2241] COND FALSE !(__VERIFIER_nondet_int()) [L2257] COND FALSE !(__VERIFIER_nondet_int()) [L2273] COND FALSE !(__VERIFIER_nondet_int()) [L2289] COND FALSE !(__VERIFIER_nondet_int()) [L2305] COND FALSE !(__VERIFIER_nondet_int()) [L2321] COND FALSE !(__VERIFIER_nondet_int()) [L2337] COND FALSE !(__VERIFIER_nondet_int()) [L2353] COND FALSE !(__VERIFIER_nondet_int()) [L2369] COND FALSE !(__VERIFIER_nondet_int()) [L2385] COND FALSE !(__VERIFIER_nondet_int()) [L2401] COND FALSE !(__VERIFIER_nondet_int()) [L2417] COND FALSE !(__VERIFIER_nondet_int()) [L2433] COND FALSE !(__VERIFIER_nondet_int()) [L2449] COND FALSE !(__VERIFIER_nondet_int()) [L2465] COND FALSE !(__VERIFIER_nondet_int()) [L2481] COND FALSE !(__VERIFIER_nondet_int()) [L2497] COND FALSE !(__VERIFIER_nondet_int()) [L2513] COND FALSE !(__VERIFIER_nondet_int()) [L2529] COND FALSE !(__VERIFIER_nondet_int()) [L2545] COND FALSE !(__VERIFIER_nondet_int()) [L2561] COND FALSE !(__VERIFIER_nondet_int()) [L2577] COND FALSE !(__VERIFIER_nondet_int()) [L2593] COND FALSE !(__VERIFIER_nondet_int()) [L2609] COND FALSE !(__VERIFIER_nondet_int()) [L2625] COND FALSE !(__VERIFIER_nondet_int()) [L2641] COND FALSE !(__VERIFIER_nondet_int()) [L2657] COND FALSE !(__VERIFIER_nondet_int()) [L2673] COND FALSE !(__VERIFIER_nondet_int()) [L2689] COND FALSE !(__VERIFIER_nondet_int()) [L2705] COND FALSE !(__VERIFIER_nondet_int()) [L2721] COND FALSE !(__VERIFIER_nondet_int()) [L2737] COND FALSE !(__VERIFIER_nondet_int()) [L2753] COND FALSE !(__VERIFIER_nondet_int()) [L2769] COND FALSE !(__VERIFIER_nondet_int()) [L2785] COND FALSE !(__VERIFIER_nondet_int()) [L2801] COND FALSE !(__VERIFIER_nondet_int()) [L2817] COND FALSE !(__VERIFIER_nondet_int()) [L2833] COND FALSE !(__VERIFIER_nondet_int()) [L2849] COND FALSE !(__VERIFIER_nondet_int()) [L2865] COND FALSE !(__VERIFIER_nondet_int()) [L2881] COND FALSE !(__VERIFIER_nondet_int()) [L2897] COND FALSE !(__VERIFIER_nondet_int()) [L2913] COND FALSE !(__VERIFIER_nondet_int()) [L2929] COND FALSE !(__VERIFIER_nondet_int()) [L2945] COND FALSE !(__VERIFIER_nondet_int()) [L2961] COND FALSE !(__VERIFIER_nondet_int()) [L2977] COND FALSE !(__VERIFIER_nondet_int()) [L2993] COND FALSE !(__VERIFIER_nondet_int()) [L3009] COND FALSE !(__VERIFIER_nondet_int()) [L3025] COND FALSE !(__VERIFIER_nondet_int()) [L3041] COND FALSE !(__VERIFIER_nondet_int()) [L3057] COND FALSE !(__VERIFIER_nondet_int()) [L3073] COND FALSE !(__VERIFIER_nondet_int()) [L3089] COND FALSE !(__VERIFIER_nondet_int()) [L3105] COND FALSE !(__VERIFIER_nondet_int()) [L3121] COND FALSE !(__VERIFIER_nondet_int()) [L3137] COND FALSE !(__VERIFIER_nondet_int()) [L3153] COND FALSE !(__VERIFIER_nondet_int()) [L3169] COND FALSE !(__VERIFIER_nondet_int()) [L3185] COND FALSE !(__VERIFIER_nondet_int()) [L3201] COND FALSE !(__VERIFIER_nondet_int()) [L3217] COND FALSE !(__VERIFIER_nondet_int()) [L3233] COND FALSE !(__VERIFIER_nondet_int()) [L3249] COND FALSE !(__VERIFIER_nondet_int()) [L3265] COND FALSE !(__VERIFIER_nondet_int()) [L3281] COND FALSE !(__VERIFIER_nondet_int()) [L3297] COND FALSE !(__VERIFIER_nondet_int()) [L3313] COND FALSE !(__VERIFIER_nondet_int()) [L3329] COND FALSE !(__VERIFIER_nondet_int()) [L3345] COND FALSE !(__VERIFIER_nondet_int()) [L3361] COND FALSE !(__VERIFIER_nondet_int()) [L3377] COND FALSE !(__VERIFIER_nondet_int()) [L3393] COND FALSE !(__VERIFIER_nondet_int()) [L3409] COND FALSE !(__VERIFIER_nondet_int()) [L3425] COND FALSE !(__VERIFIER_nondet_int()) [L3441] COND FALSE !(__VERIFIER_nondet_int()) [L3457] COND FALSE !(__VERIFIER_nondet_int()) [L3473] COND FALSE !(__VERIFIER_nondet_int()) [L3489] COND FALSE !(__VERIFIER_nondet_int()) [L3505] COND FALSE !(__VERIFIER_nondet_int()) [L3521] COND FALSE !(__VERIFIER_nondet_int()) [L3537] COND FALSE !(__VERIFIER_nondet_int()) [L3553] COND FALSE !(__VERIFIER_nondet_int()) [L3569] COND FALSE !(__VERIFIER_nondet_int()) [L3585] COND FALSE !(__VERIFIER_nondet_int()) [L3601] COND FALSE !(__VERIFIER_nondet_int()) [L3617] COND FALSE !(__VERIFIER_nondet_int()) [L3633] COND FALSE !(__VERIFIER_nondet_int()) [L3649] COND FALSE !(__VERIFIER_nondet_int()) [L3665] COND FALSE !(__VERIFIER_nondet_int()) [L3681] COND FALSE !(__VERIFIER_nondet_int()) [L3697] COND FALSE !(__VERIFIER_nondet_int()) [L3713] COND FALSE !(__VERIFIER_nondet_int()) [L3729] COND FALSE !(__VERIFIER_nondet_int()) [L3745] COND FALSE !(__VERIFIER_nondet_int()) [L3761] COND FALSE !(__VERIFIER_nondet_int()) [L3777] COND FALSE !(__VERIFIER_nondet_int()) [L3793] COND FALSE !(__VERIFIER_nondet_int()) [L3809] COND FALSE !(__VERIFIER_nondet_int()) [L3825] COND FALSE !(__VERIFIER_nondet_int()) [L3841] COND FALSE !(__VERIFIER_nondet_int()) [L3857] COND FALSE !(__VERIFIER_nondet_int()) [L3873] COND FALSE !(__VERIFIER_nondet_int()) [L3889] COND FALSE !(__VERIFIER_nondet_int()) [L3905] COND FALSE !(__VERIFIER_nondet_int()) [L3921] COND FALSE !(__VERIFIER_nondet_int()) [L3937] COND FALSE !(__VERIFIER_nondet_int()) [L3953] COND FALSE !(__VERIFIER_nondet_int()) [L3969] COND FALSE !(__VERIFIER_nondet_int()) [L3985] COND FALSE !(__VERIFIER_nondet_int()) [L4001] COND FALSE !(__VERIFIER_nondet_int()) [L4017] COND FALSE !(__VERIFIER_nondet_int()) [L4033] COND FALSE !(__VERIFIER_nondet_int()) [L4049] COND FALSE !(__VERIFIER_nondet_int()) [L4065] COND FALSE !(__VERIFIER_nondet_int()) [L4081] COND FALSE !(__VERIFIER_nondet_int()) [L4097] COND FALSE !(__VERIFIER_nondet_int()) [L4113] COND FALSE !(__VERIFIER_nondet_int()) [L4129] COND FALSE !(__VERIFIER_nondet_int()) [L4145] COND FALSE !(__VERIFIER_nondet_int()) [L4161] COND FALSE !(__VERIFIER_nondet_int()) [L4177] COND FALSE !(__VERIFIER_nondet_int()) [L4193] COND FALSE !(__VERIFIER_nondet_int()) [L4209] COND FALSE !(__VERIFIER_nondet_int()) [L4225] COND FALSE !(__VERIFIER_nondet_int()) [L4241] COND FALSE !(__VERIFIER_nondet_int()) [L4257] COND FALSE !(__VERIFIER_nondet_int()) [L4273] COND FALSE !(__VERIFIER_nondet_int()) [L4289] COND FALSE !(__VERIFIER_nondet_int()) [L4305] COND FALSE !(__VERIFIER_nondet_int()) [L4321] COND FALSE !(__VERIFIER_nondet_int()) [L4337] COND FALSE !(__VERIFIER_nondet_int()) [L4353] COND FALSE !(__VERIFIER_nondet_int()) [L4369] COND FALSE !(__VERIFIER_nondet_int()) [L4385] COND FALSE !(__VERIFIER_nondet_int()) [L4401] COND FALSE !(__VERIFIER_nondet_int()) [L4417] COND FALSE !(__VERIFIER_nondet_int()) [L4433] COND FALSE !(__VERIFIER_nondet_int()) [L4449] COND FALSE !(__VERIFIER_nondet_int()) [L4465] COND FALSE !(__VERIFIER_nondet_int()) [L4481] COND FALSE !(__VERIFIER_nondet_int()) [L4497] COND FALSE !(__VERIFIER_nondet_int()) [L4513] COND FALSE !(__VERIFIER_nondet_int()) [L4529] COND TRUE __VERIFIER_nondet_int() [L4533] method_id = 18 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=0, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4535] COND FALSE !(0) [L4539] q = 4 [L4541] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L4541] this_spacecraft_cCM=this_spacecraft_cCM [L4541] this_spacecraft_cSM=this_spacecraft_cSM [L4541] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L4541] this_spacecraft_cEDS=this_spacecraft_cEDS [L4541] this_spacecraft_cLAS=0 [L4541] this_spacecraft_cStage2=this_spacecraft_cStage2 [L4541] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=0, P3=0, P4=0, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND FALSE !(q == 2) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4596] COND FALSE !(q == 3) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L9016] COND TRUE q == 4 [L9017] COND FALSE !(__VERIFIER_nondet_int()) [L9033] COND FALSE !(__VERIFIER_nondet_int()) [L9049] COND FALSE !(__VERIFIER_nondet_int()) [L9065] COND FALSE !(__VERIFIER_nondet_int()) [L9081] COND FALSE !(__VERIFIER_nondet_int()) [L9097] COND FALSE !(__VERIFIER_nondet_int()) [L9113] COND FALSE !(__VERIFIER_nondet_int()) [L9129] COND FALSE !(__VERIFIER_nondet_int()) [L9145] COND FALSE !(__VERIFIER_nondet_int()) [L9161] COND FALSE !(__VERIFIER_nondet_int()) [L9177] COND FALSE !(__VERIFIER_nondet_int()) [L9193] COND FALSE !(__VERIFIER_nondet_int()) [L9209] COND FALSE !(__VERIFIER_nondet_int()) [L9225] COND FALSE !(__VERIFIER_nondet_int()) [L9241] COND FALSE !(__VERIFIER_nondet_int()) [L9257] COND FALSE !(__VERIFIER_nondet_int()) [L9273] COND FALSE !(__VERIFIER_nondet_int()) [L9289] COND FALSE !(__VERIFIER_nondet_int()) [L9305] COND FALSE !(__VERIFIER_nondet_int()) [L9321] COND FALSE !(__VERIFIER_nondet_int()) [L9337] COND FALSE !(__VERIFIER_nondet_int()) [L9353] COND FALSE !(__VERIFIER_nondet_int()) [L9369] COND FALSE !(__VERIFIER_nondet_int()) [L9385] COND FALSE !(__VERIFIER_nondet_int()) [L9401] COND FALSE !(__VERIFIER_nondet_int()) [L9417] COND FALSE !(__VERIFIER_nondet_int()) [L9433] COND FALSE !(__VERIFIER_nondet_int()) [L9449] COND FALSE !(__VERIFIER_nondet_int()) [L9465] COND FALSE !(__VERIFIER_nondet_int()) [L9481] COND FALSE !(__VERIFIER_nondet_int()) [L9497] COND FALSE !(__VERIFIER_nondet_int()) [L9513] COND FALSE !(__VERIFIER_nondet_int()) [L9529] COND FALSE !(__VERIFIER_nondet_int()) [L9545] COND FALSE !(__VERIFIER_nondet_int()) [L9561] COND FALSE !(__VERIFIER_nondet_int()) [L9577] COND FALSE !(__VERIFIER_nondet_int()) [L9593] COND FALSE !(__VERIFIER_nondet_int()) [L9609] COND FALSE !(__VERIFIER_nondet_int()) [L9625] COND FALSE !(__VERIFIER_nondet_int()) [L9641] COND FALSE !(__VERIFIER_nondet_int()) [L9657] COND FALSE !(__VERIFIER_nondet_int()) [L9673] COND FALSE !(__VERIFIER_nondet_int()) [L9689] COND FALSE !(__VERIFIER_nondet_int()) [L9705] COND FALSE !(__VERIFIER_nondet_int()) [L9721] COND FALSE !(__VERIFIER_nondet_int()) [L9737] COND FALSE !(__VERIFIER_nondet_int()) [L9753] COND FALSE !(__VERIFIER_nondet_int()) [L9769] COND FALSE !(__VERIFIER_nondet_int()) [L9785] COND FALSE !(__VERIFIER_nondet_int()) [L9801] COND FALSE !(__VERIFIER_nondet_int()) [L9817] COND FALSE !(__VERIFIER_nondet_int()) [L9833] COND FALSE !(__VERIFIER_nondet_int()) [L9849] COND FALSE !(__VERIFIER_nondet_int()) [L9865] COND FALSE !(__VERIFIER_nondet_int()) [L9881] COND FALSE !(__VERIFIER_nondet_int()) [L9897] COND FALSE !(__VERIFIER_nondet_int()) [L9913] COND FALSE !(__VERIFIER_nondet_int()) [L9929] COND FALSE !(__VERIFIER_nondet_int()) [L9945] COND FALSE !(__VERIFIER_nondet_int()) [L9961] COND FALSE !(__VERIFIER_nondet_int()) [L9977] COND FALSE !(__VERIFIER_nondet_int()) [L9993] COND FALSE !(__VERIFIER_nondet_int()) [L10009] COND FALSE !(__VERIFIER_nondet_int()) [L10025] COND FALSE !(__VERIFIER_nondet_int()) [L10041] COND FALSE !(__VERIFIER_nondet_int()) [L10057] COND FALSE !(__VERIFIER_nondet_int()) [L10073] COND FALSE !(__VERIFIER_nondet_int()) [L10089] COND FALSE !(__VERIFIER_nondet_int()) [L10105] COND FALSE !(__VERIFIER_nondet_int()) [L10121] COND FALSE !(__VERIFIER_nondet_int()) [L10137] COND FALSE !(__VERIFIER_nondet_int()) [L10153] COND FALSE !(__VERIFIER_nondet_int()) [L10169] COND FALSE !(__VERIFIER_nondet_int()) [L10185] COND FALSE !(__VERIFIER_nondet_int()) [L10201] COND FALSE !(__VERIFIER_nondet_int()) [L10217] COND FALSE !(__VERIFIER_nondet_int()) [L10233] COND FALSE !(__VERIFIER_nondet_int()) [L10249] COND FALSE !(__VERIFIER_nondet_int()) [L10265] COND FALSE !(__VERIFIER_nondet_int()) [L10281] COND FALSE !(__VERIFIER_nondet_int()) [L10297] COND FALSE !(__VERIFIER_nondet_int()) [L10313] COND FALSE !(__VERIFIER_nondet_int()) [L10329] COND FALSE !(__VERIFIER_nondet_int()) [L10345] COND FALSE !(__VERIFIER_nondet_int()) [L10361] COND FALSE !(__VERIFIER_nondet_int()) [L10377] COND FALSE !(__VERIFIER_nondet_int()) [L10393] COND FALSE !(__VERIFIER_nondet_int()) [L10409] COND FALSE !(__VERIFIER_nondet_int()) [L10425] COND FALSE !(__VERIFIER_nondet_int()) [L10441] COND FALSE !(__VERIFIER_nondet_int()) [L10457] COND FALSE !(__VERIFIER_nondet_int()) [L10473] COND FALSE !(__VERIFIER_nondet_int()) [L10489] COND FALSE !(__VERIFIER_nondet_int()) [L10505] COND FALSE !(__VERIFIER_nondet_int()) [L10521] COND FALSE !(__VERIFIER_nondet_int()) [L10537] COND FALSE !(__VERIFIER_nondet_int()) [L10553] COND FALSE !(__VERIFIER_nondet_int()) [L10569] COND FALSE !(__VERIFIER_nondet_int()) [L10585] COND FALSE !(__VERIFIER_nondet_int()) [L10601] COND FALSE !(__VERIFIER_nondet_int()) [L10617] COND FALSE !(__VERIFIER_nondet_int()) [L10633] COND FALSE !(__VERIFIER_nondet_int()) [L10649] COND FALSE !(__VERIFIER_nondet_int()) [L10665] COND FALSE !(__VERIFIER_nondet_int()) [L10681] COND FALSE !(__VERIFIER_nondet_int()) [L10697] COND FALSE !(__VERIFIER_nondet_int()) [L10713] COND FALSE !(__VERIFIER_nondet_int()) [L10729] COND FALSE !(__VERIFIER_nondet_int()) [L10745] COND FALSE !(__VERIFIER_nondet_int()) [L10761] COND FALSE !(__VERIFIER_nondet_int()) [L10777] COND FALSE !(__VERIFIER_nondet_int()) [L10793] COND FALSE !(__VERIFIER_nondet_int()) [L10809] COND FALSE !(__VERIFIER_nondet_int()) [L10825] COND FALSE !(__VERIFIER_nondet_int()) [L10841] COND FALSE !(__VERIFIER_nondet_int()) [L10857] COND FALSE !(__VERIFIER_nondet_int()) [L10873] COND FALSE !(__VERIFIER_nondet_int()) [L10889] COND FALSE !(__VERIFIER_nondet_int()) [L10905] COND FALSE !(__VERIFIER_nondet_int()) [L10921] COND FALSE !(__VERIFIER_nondet_int()) [L10937] COND FALSE !(__VERIFIER_nondet_int()) [L10953] COND FALSE !(__VERIFIER_nondet_int()) [L10969] COND FALSE !(__VERIFIER_nondet_int()) [L10985] COND FALSE !(__VERIFIER_nondet_int()) [L11001] COND FALSE !(__VERIFIER_nondet_int()) [L11017] COND FALSE !(__VERIFIER_nondet_int()) [L11033] COND FALSE !(__VERIFIER_nondet_int()) [L11049] COND FALSE !(__VERIFIER_nondet_int()) [L11065] COND FALSE !(__VERIFIER_nondet_int()) [L11081] COND FALSE !(__VERIFIER_nondet_int()) [L11097] COND FALSE !(__VERIFIER_nondet_int()) [L11113] COND FALSE !(__VERIFIER_nondet_int()) [L11129] COND FALSE !(__VERIFIER_nondet_int()) [L11145] COND FALSE !(__VERIFIER_nondet_int()) [L11161] COND FALSE !(__VERIFIER_nondet_int()) [L11177] COND FALSE !(__VERIFIER_nondet_int()) [L11193] COND FALSE !(__VERIFIER_nondet_int()) [L11209] COND FALSE !(__VERIFIER_nondet_int()) [L11225] COND FALSE !(__VERIFIER_nondet_int()) [L11241] COND FALSE !(__VERIFIER_nondet_int()) [L11257] COND FALSE !(__VERIFIER_nondet_int()) [L11273] COND FALSE !(__VERIFIER_nondet_int()) [L11289] COND FALSE !(__VERIFIER_nondet_int()) [L11305] COND FALSE !(__VERIFIER_nondet_int()) [L11321] COND FALSE !(__VERIFIER_nondet_int()) [L11337] COND FALSE !(__VERIFIER_nondet_int()) [L11353] COND FALSE !(__VERIFIER_nondet_int()) [L11369] COND FALSE !(__VERIFIER_nondet_int()) [L11385] COND FALSE !(__VERIFIER_nondet_int()) [L11401] COND FALSE !(__VERIFIER_nondet_int()) [L11417] COND FALSE !(__VERIFIER_nondet_int()) [L11433] COND FALSE !(__VERIFIER_nondet_int()) [L11449] COND FALSE !(__VERIFIER_nondet_int()) [L11465] COND FALSE !(__VERIFIER_nondet_int()) [L11481] COND FALSE !(__VERIFIER_nondet_int()) [L11497] COND FALSE !(__VERIFIER_nondet_int()) [L11513] COND FALSE !(__VERIFIER_nondet_int()) [L11529] COND FALSE !(__VERIFIER_nondet_int()) [L11545] COND FALSE !(__VERIFIER_nondet_int()) [L11561] COND FALSE !(__VERIFIER_nondet_int()) [L11577] COND FALSE !(__VERIFIER_nondet_int()) [L11593] COND FALSE !(__VERIFIER_nondet_int()) [L11609] COND FALSE !(__VERIFIER_nondet_int()) [L11625] COND FALSE !(__VERIFIER_nondet_int()) [L11641] COND FALSE !(__VERIFIER_nondet_int()) [L11657] COND FALSE !(__VERIFIER_nondet_int()) [L11673] COND FALSE !(__VERIFIER_nondet_int()) [L11689] COND FALSE !(__VERIFIER_nondet_int()) [L11705] COND FALSE !(__VERIFIER_nondet_int()) [L11721] COND FALSE !(__VERIFIER_nondet_int()) [L11737] COND FALSE !(__VERIFIER_nondet_int()) [L11753] COND FALSE !(__VERIFIER_nondet_int()) [L11769] COND FALSE !(__VERIFIER_nondet_int()) [L11785] COND FALSE !(__VERIFIER_nondet_int()) [L11801] COND FALSE !(__VERIFIER_nondet_int()) [L11817] COND FALSE !(__VERIFIER_nondet_int()) [L11833] COND FALSE !(__VERIFIER_nondet_int()) [L11849] COND FALSE !(__VERIFIER_nondet_int()) [L11865] COND FALSE !(__VERIFIER_nondet_int()) [L11881] COND FALSE !(__VERIFIER_nondet_int()) [L11897] COND FALSE !(__VERIFIER_nondet_int()) [L11913] COND FALSE !(__VERIFIER_nondet_int()) [L11929] COND FALSE !(__VERIFIER_nondet_int()) [L11945] COND FALSE !(__VERIFIER_nondet_int()) [L11961] COND FALSE !(__VERIFIER_nondet_int()) [L11977] COND FALSE !(__VERIFIER_nondet_int()) [L11993] COND FALSE !(__VERIFIER_nondet_int()) [L12009] COND FALSE !(__VERIFIER_nondet_int()) [L12025] COND FALSE !(__VERIFIER_nondet_int()) [L12041] COND FALSE !(__VERIFIER_nondet_int()) [L12057] COND FALSE !(__VERIFIER_nondet_int()) [L12073] COND FALSE !(__VERIFIER_nondet_int()) [L12089] COND FALSE !(__VERIFIER_nondet_int()) [L12105] COND FALSE !(__VERIFIER_nondet_int()) [L12121] COND FALSE !(__VERIFIER_nondet_int()) [L12137] COND FALSE !(__VERIFIER_nondet_int()) [L12153] COND FALSE !(__VERIFIER_nondet_int()) [L12169] COND FALSE !(__VERIFIER_nondet_int()) [L12185] COND FALSE !(__VERIFIER_nondet_int()) [L12201] COND FALSE !(__VERIFIER_nondet_int()) [L12217] COND FALSE !(__VERIFIER_nondet_int()) [L12233] COND FALSE !(__VERIFIER_nondet_int()) [L12249] COND FALSE !(__VERIFIER_nondet_int()) [L12265] COND FALSE !(__VERIFIER_nondet_int()) [L12281] COND FALSE !(__VERIFIER_nondet_int()) [L12297] COND FALSE !(__VERIFIER_nondet_int()) [L12313] COND FALSE !(__VERIFIER_nondet_int()) [L12329] COND FALSE !(__VERIFIER_nondet_int()) [L12345] COND FALSE !(__VERIFIER_nondet_int()) [L12361] COND FALSE !(__VERIFIER_nondet_int()) [L12377] COND FALSE !(__VERIFIER_nondet_int()) [L12393] COND FALSE !(__VERIFIER_nondet_int()) [L12409] COND FALSE !(__VERIFIER_nondet_int()) [L12425] COND FALSE !(__VERIFIER_nondet_int()) [L12441] COND FALSE !(__VERIFIER_nondet_int()) [L12457] COND FALSE !(__VERIFIER_nondet_int()) [L12473] COND FALSE !(__VERIFIER_nondet_int()) [L12489] COND FALSE !(__VERIFIER_nondet_int()) [L12505] COND FALSE !(__VERIFIER_nondet_int()) [L12521] COND FALSE !(__VERIFIER_nondet_int()) [L12537] COND FALSE !(__VERIFIER_nondet_int()) [L12553] COND FALSE !(__VERIFIER_nondet_int()) [L12569] COND FALSE !(__VERIFIER_nondet_int()) [L12585] COND FALSE !(__VERIFIER_nondet_int()) [L12601] COND FALSE !(__VERIFIER_nondet_int()) [L12617] COND FALSE !(__VERIFIER_nondet_int()) [L12633] COND FALSE !(__VERIFIER_nondet_int()) [L12649] COND FALSE !(__VERIFIER_nondet_int()) [L12665] COND FALSE !(__VERIFIER_nondet_int()) [L12681] COND FALSE !(__VERIFIER_nondet_int()) [L12697] COND FALSE !(__VERIFIER_nondet_int()) [L12713] COND FALSE !(__VERIFIER_nondet_int()) [L12729] COND FALSE !(__VERIFIER_nondet_int()) [L12745] COND FALSE !(__VERIFIER_nondet_int()) [L12761] COND FALSE !(__VERIFIER_nondet_int()) [L12777] COND FALSE !(__VERIFIER_nondet_int()) [L12793] COND FALSE !(__VERIFIER_nondet_int()) [L12809] COND FALSE !(__VERIFIER_nondet_int()) [L12825] COND FALSE !(__VERIFIER_nondet_int()) [L12841] COND FALSE !(__VERIFIER_nondet_int()) [L12857] COND FALSE !(__VERIFIER_nondet_int()) [L12873] COND FALSE !(__VERIFIER_nondet_int()) [L12889] COND FALSE !(__VERIFIER_nondet_int()) [L12905] COND FALSE !(__VERIFIER_nondet_int()) [L12921] COND FALSE !(__VERIFIER_nondet_int()) [L12937] COND FALSE !(__VERIFIER_nondet_int()) [L12953] COND FALSE !(__VERIFIER_nondet_int()) [L12969] COND FALSE !(__VERIFIER_nondet_int()) [L12985] COND FALSE !(__VERIFIER_nondet_int()) [L13001] COND FALSE !(__VERIFIER_nondet_int()) [L13017] COND FALSE !(__VERIFIER_nondet_int()) [L13033] COND FALSE !(__VERIFIER_nondet_int()) [L13049] COND FALSE !(__VERIFIER_nondet_int()) [L13065] COND FALSE !(__VERIFIER_nondet_int()) [L13081] COND FALSE !(__VERIFIER_nondet_int()) [L13097] COND FALSE !(__VERIFIER_nondet_int()) [L13113] COND FALSE !(__VERIFIER_nondet_int()) [L13129] COND FALSE !(__VERIFIER_nondet_int()) [L13145] COND FALSE !(__VERIFIER_nondet_int()) [L13161] COND FALSE !(__VERIFIER_nondet_int()) [L13177] COND FALSE !(__VERIFIER_nondet_int()) [L13193] COND FALSE !(__VERIFIER_nondet_int()) [L13209] COND FALSE !(__VERIFIER_nondet_int()) [L13225] COND FALSE !(__VERIFIER_nondet_int()) [L13241] COND FALSE !(__VERIFIER_nondet_int()) [L13257] COND FALSE !(__VERIFIER_nondet_int()) [L13273] COND FALSE !(__VERIFIER_nondet_int()) [L13289] COND FALSE !(__VERIFIER_nondet_int()) [L13305] COND FALSE !(__VERIFIER_nondet_int()) [L13321] COND FALSE !(__VERIFIER_nondet_int()) [L13337] COND FALSE !(__VERIFIER_nondet_int()) [L13353] COND FALSE !(__VERIFIER_nondet_int()) [L13369] COND FALSE !(__VERIFIER_nondet_int()) [L13385] COND FALSE !(__VERIFIER_nondet_int()) [L13401] COND FALSE !(__VERIFIER_nondet_int()) [L13417] COND TRUE __VERIFIER_nondet_int() [L13421] method_id = 21 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L13423] COND TRUE (!this_spacecraft_cEDS && (!this_spacecraft_cLSAM_ASCENT && (!this_spacecraft_cSM && !this_spacecraft_cLAS))) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L26702] reach_error() VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=0, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5007 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42031 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42031 mSDsluCounter, 171352 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74506 mSDsCounter, 816 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2252 IncrementalHoareTripleChecker+Invalid, 3068 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 816 mSolverCounterUnsat, 96846 mSDtfsCounter, 2252 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20256occurred in iteration=18, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 314 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 5353 NumberOfCodeBlocks, 5353 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4749 ConstructedInterpolants, 0 QuantifiedInterpolants, 15998 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 214/214 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 RESULT: Ultimate proved your program to be incorrect! [2021-12-06 23:09:38,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aeac93-bd93-44db-8ef5-d404491877d0/bin/uautomizer-DrprNOufMa/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE