./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 408d29c05798360031ff612d9b2211c77a439b74 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:30:59,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:30:59,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:30:59,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:30:59,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:30:59,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:30:59,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:30:59,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:30:59,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:30:59,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:30:59,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:30:59,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:30:59,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:30:59,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:30:59,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:30:59,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:30:59,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:30:59,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:30:59,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:30:59,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:30:59,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:30:59,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:30:59,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:30:59,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:31:00,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:31:00,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:31:00,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:31:00,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:31:00,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:31:00,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:31:00,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:31:00,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:31:00,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:31:00,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:31:00,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:31:00,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:31:00,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:31:00,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:31:00,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:31:00,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:31:00,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:31:00,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:31:00,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:31:00,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:31:00,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:31:00,078 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:31:00,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:31:00,078 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:31:00,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:31:00,079 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:31:00,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:31:00,086 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:31:00,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:31:00,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:31:00,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:31:00,088 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:31:00,089 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:31:00,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:31:00,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:31:00,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:31:00,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:31:00,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:31:00,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:31:00,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:31:00,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:31:00,092 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:31:00,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:31:00,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:31:00,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:31:00,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:31:00,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:31:00,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:31:00,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:31:00,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:31:00,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:31:00,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:31:00,097 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:31:00,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:31:00,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:31:00,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:31:00,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:31:00,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 408d29c05798360031ff612d9b2211c77a439b74 [2021-10-16 02:31:00,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:31:00,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:31:00,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:31:00,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:31:00,453 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:31:00,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-10-16 02:31:00,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/data/9629a6d28/d70fe01e35b54323aa0546d120cc4e02/FLAGcc35d1ff8 [2021-10-16 02:31:01,160 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:31:01,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-10-16 02:31:01,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/data/9629a6d28/d70fe01e35b54323aa0546d120cc4e02/FLAGcc35d1ff8 [2021-10-16 02:31:01,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/data/9629a6d28/d70fe01e35b54323aa0546d120cc4e02 [2021-10-16 02:31:01,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:31:01,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:31:01,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:31:01,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:31:01,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:31:01,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:31:01" (1/1) ... [2021-10-16 02:31:01,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56900516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:01, skipping insertion in model container [2021-10-16 02:31:01,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:31:01" (1/1) ... [2021-10-16 02:31:01,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:31:01,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:31:01,966 WARN L228 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_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15866,15879] [2021-10-16 02:31:02,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:31:02,097 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:31:02,249 WARN L228 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_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15866,15879] [2021-10-16 02:31:02,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:31:02,329 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:31:02,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02 WrapperNode [2021-10-16 02:31:02,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:31:02,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:31:02,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:31:02,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:31:02,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:31:02,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:31:02,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:31:02,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:31:02,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:31:02,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:31:02,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:31:02,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:31:02,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (1/1) ... [2021-10-16 02:31:02,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:31:02,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:31:02,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:31:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:31:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:31:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:31:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:31:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:31:05,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:31:05,310 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:31:05,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:31:05 BoogieIcfgContainer [2021-10-16 02:31:05,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:31:05,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:31:05,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:31:05,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:31:05,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:31:01" (1/3) ... [2021-10-16 02:31:05,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbe231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:31:05, skipping insertion in model container [2021-10-16 02:31:05,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:31:02" (2/3) ... [2021-10-16 02:31:05,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbe231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:31:05, skipping insertion in model container [2021-10-16 02:31:05,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:31:05" (3/3) ... [2021-10-16 02:31:05,324 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-10-16 02:31:05,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:31:05,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:31:05,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:31:05,398 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 02:31:05,398 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:31:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 250 states, 248 states have (on average 1.778225806451613) internal successors, (441), 249 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-16 02:31:05,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:05,439 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:05,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:05,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:05,447 INFO L82 PathProgramCache]: Analyzing trace with hash 265685471, now seen corresponding path program 1 times [2021-10-16 02:31:05,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:05,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286800025] [2021-10-16 02:31:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:05,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:06,617 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:06,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286800025] [2021-10-16 02:31:06,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286800025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:06,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:06,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:06,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30811286] [2021-10-16 02:31:06,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:06,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:06,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:06,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:06,653 INFO L87 Difference]: Start difference. First operand has 250 states, 248 states have (on average 1.778225806451613) internal successors, (441), 249 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:06,830 INFO L93 Difference]: Finished difference Result 630 states and 1101 transitions. [2021-10-16 02:31:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:06,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-10-16 02:31:06,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:06,850 INFO L225 Difference]: With dead ends: 630 [2021-10-16 02:31:06,851 INFO L226 Difference]: Without dead ends: 435 [2021-10-16 02:31:06,855 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-16 02:31:06,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2021-10-16 02:31:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 1.3842592592592593) internal successors, (598), 432 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 598 transitions. [2021-10-16 02:31:06,962 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 598 transitions. Word has length 118 [2021-10-16 02:31:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:06,963 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 598 transitions. [2021-10-16 02:31:06,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 598 transitions. [2021-10-16 02:31:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-16 02:31:06,976 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:06,977 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:06,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:31:06,977 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:06,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:06,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1808283087, now seen corresponding path program 1 times [2021-10-16 02:31:06,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:06,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106854312] [2021-10-16 02:31:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:06,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:07,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:07,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106854312] [2021-10-16 02:31:07,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106854312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:07,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:07,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:31:07,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310783338] [2021-10-16 02:31:07,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:31:07,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:07,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:31:07,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:07,157 INFO L87 Difference]: Start difference. First operand 433 states and 598 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:07,282 INFO L93 Difference]: Finished difference Result 1018 states and 1445 transitions. [2021-10-16 02:31:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:31:07,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-10-16 02:31:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:07,291 INFO L225 Difference]: With dead ends: 1018 [2021-10-16 02:31:07,292 INFO L226 Difference]: Without dead ends: 625 [2021-10-16 02:31:07,298 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-10-16 02:31:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 540. [2021-10-16 02:31:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.4304267161410018) internal successors, (771), 539 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 771 transitions. [2021-10-16 02:31:07,398 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 771 transitions. Word has length 120 [2021-10-16 02:31:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:07,399 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 771 transitions. [2021-10-16 02:31:07,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 771 transitions. [2021-10-16 02:31:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-16 02:31:07,402 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:07,402 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:07,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:31:07,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:07,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1054950432, now seen corresponding path program 1 times [2021-10-16 02:31:07,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:07,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557196396] [2021-10-16 02:31:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:07,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:07,531 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:07,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557196396] [2021-10-16 02:31:07,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557196396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:07,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:07,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:31:07,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407687702] [2021-10-16 02:31:07,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:31:07,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:31:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:07,536 INFO L87 Difference]: Start difference. First operand 540 states and 771 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:07,662 INFO L93 Difference]: Finished difference Result 1283 states and 1880 transitions. [2021-10-16 02:31:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:31:07,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-10-16 02:31:07,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:07,675 INFO L225 Difference]: With dead ends: 1283 [2021-10-16 02:31:07,676 INFO L226 Difference]: Without dead ends: 807 [2021-10-16 02:31:07,677 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-10-16 02:31:07,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 741. [2021-10-16 02:31:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 740 states have (on average 1.481081081081081) internal successors, (1096), 740 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1096 transitions. [2021-10-16 02:31:07,743 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1096 transitions. Word has length 120 [2021-10-16 02:31:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:07,744 INFO L470 AbstractCegarLoop]: Abstraction has 741 states and 1096 transitions. [2021-10-16 02:31:07,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1096 transitions. [2021-10-16 02:31:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-16 02:31:07,746 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:07,747 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:07,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 02:31:07,748 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:07,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:07,750 INFO L82 PathProgramCache]: Analyzing trace with hash -287216447, now seen corresponding path program 1 times [2021-10-16 02:31:07,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:07,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608019039] [2021-10-16 02:31:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:07,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:07,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:07,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608019039] [2021-10-16 02:31:07,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608019039] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:07,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:07,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:31:07,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685437110] [2021-10-16 02:31:07,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:31:07,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:07,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:31:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:07,918 INFO L87 Difference]: Start difference. First operand 741 states and 1096 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:08,030 INFO L93 Difference]: Finished difference Result 1355 states and 2028 transitions. [2021-10-16 02:31:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:31:08,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-10-16 02:31:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:08,041 INFO L225 Difference]: With dead ends: 1355 [2021-10-16 02:31:08,042 INFO L226 Difference]: Without dead ends: 1073 [2021-10-16 02:31:08,044 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2021-10-16 02:31:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1071. [2021-10-16 02:31:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 1070 states have (on average 1.4757009345794392) internal successors, (1579), 1070 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1579 transitions. [2021-10-16 02:31:08,142 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1579 transitions. Word has length 123 [2021-10-16 02:31:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:08,143 INFO L470 AbstractCegarLoop]: Abstraction has 1071 states and 1579 transitions. [2021-10-16 02:31:08,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1579 transitions. [2021-10-16 02:31:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-16 02:31:08,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:08,147 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:08,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 02:31:08,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:08,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:08,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1610031786, now seen corresponding path program 1 times [2021-10-16 02:31:08,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:08,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233873529] [2021-10-16 02:31:08,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:08,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:08,289 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:08,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233873529] [2021-10-16 02:31:08,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233873529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:08,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:08,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:08,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702452897] [2021-10-16 02:31:08,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:08,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:08,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:08,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:08,294 INFO L87 Difference]: Start difference. First operand 1071 states and 1579 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:08,595 INFO L93 Difference]: Finished difference Result 2104 states and 3117 transitions. [2021-10-16 02:31:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:08,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-10-16 02:31:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:08,603 INFO L225 Difference]: With dead ends: 2104 [2021-10-16 02:31:08,604 INFO L226 Difference]: Without dead ends: 1071 [2021-10-16 02:31:08,606 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-10-16 02:31:08,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2021-10-16 02:31:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 1070 states have (on average 1.4598130841121495) internal successors, (1562), 1070 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1562 transitions. [2021-10-16 02:31:08,725 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1562 transitions. Word has length 123 [2021-10-16 02:31:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:08,726 INFO L470 AbstractCegarLoop]: Abstraction has 1071 states and 1562 transitions. [2021-10-16 02:31:08,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1562 transitions. [2021-10-16 02:31:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-16 02:31:08,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:08,730 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:08,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 02:31:08,731 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:08,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:08,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2082266491, now seen corresponding path program 1 times [2021-10-16 02:31:08,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:08,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413391554] [2021-10-16 02:31:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:08,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:09,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:09,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413391554] [2021-10-16 02:31:09,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413391554] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:09,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:09,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:09,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077577444] [2021-10-16 02:31:09,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:09,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:09,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:09,057 INFO L87 Difference]: Start difference. First operand 1071 states and 1562 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:09,396 INFO L93 Difference]: Finished difference Result 2956 states and 4338 transitions. [2021-10-16 02:31:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:09,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-10-16 02:31:09,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:09,410 INFO L225 Difference]: With dead ends: 2956 [2021-10-16 02:31:09,411 INFO L226 Difference]: Without dead ends: 1988 [2021-10-16 02:31:09,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 77.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:09,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2021-10-16 02:31:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1986. [2021-10-16 02:31:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1985 states have (on average 1.4544080604534004) internal successors, (2887), 1985 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2887 transitions. [2021-10-16 02:31:09,668 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2887 transitions. Word has length 123 [2021-10-16 02:31:09,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:09,669 INFO L470 AbstractCegarLoop]: Abstraction has 1986 states and 2887 transitions. [2021-10-16 02:31:09,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2887 transitions. [2021-10-16 02:31:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-16 02:31:09,673 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:09,673 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:09,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 02:31:09,673 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:09,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:09,674 INFO L82 PathProgramCache]: Analyzing trace with hash 347318354, now seen corresponding path program 1 times [2021-10-16 02:31:09,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:09,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39785130] [2021-10-16 02:31:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:09,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:09,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:09,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39785130] [2021-10-16 02:31:09,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39785130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:09,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:09,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:31:09,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243588714] [2021-10-16 02:31:09,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:31:09,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:31:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:09,737 INFO L87 Difference]: Start difference. First operand 1986 states and 2887 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:10,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:10,185 INFO L93 Difference]: Finished difference Result 4999 states and 7406 transitions. [2021-10-16 02:31:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:31:10,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2021-10-16 02:31:10,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:10,206 INFO L225 Difference]: With dead ends: 4999 [2021-10-16 02:31:10,206 INFO L226 Difference]: Without dead ends: 3158 [2021-10-16 02:31:10,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:10,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2021-10-16 02:31:10,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3036. [2021-10-16 02:31:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 3035 states have (on average 1.4955518945634267) internal successors, (4539), 3035 states have internal predecessors, (4539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 4539 transitions. [2021-10-16 02:31:10,596 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 4539 transitions. Word has length 125 [2021-10-16 02:31:10,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:10,597 INFO L470 AbstractCegarLoop]: Abstraction has 3036 states and 4539 transitions. [2021-10-16 02:31:10,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 4539 transitions. [2021-10-16 02:31:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-16 02:31:10,601 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:10,601 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:10,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 02:31:10,601 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:10,602 INFO L82 PathProgramCache]: Analyzing trace with hash 822510206, now seen corresponding path program 1 times [2021-10-16 02:31:10,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:10,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131086425] [2021-10-16 02:31:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:10,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:10,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:10,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131086425] [2021-10-16 02:31:10,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131086425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:10,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:10,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:10,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458273648] [2021-10-16 02:31:10,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:10,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:10,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:10,712 INFO L87 Difference]: Start difference. First operand 3036 states and 4539 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:11,258 INFO L93 Difference]: Finished difference Result 5939 states and 8907 transitions. [2021-10-16 02:31:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:11,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-10-16 02:31:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:11,280 INFO L225 Difference]: With dead ends: 5939 [2021-10-16 02:31:11,280 INFO L226 Difference]: Without dead ends: 3036 [2021-10-16 02:31:11,287 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:11,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2021-10-16 02:31:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 3036. [2021-10-16 02:31:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 3035 states have (on average 1.4777594728171335) internal successors, (4485), 3035 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 4485 transitions. [2021-10-16 02:31:11,698 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 4485 transitions. Word has length 128 [2021-10-16 02:31:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:11,698 INFO L470 AbstractCegarLoop]: Abstraction has 3036 states and 4485 transitions. [2021-10-16 02:31:11,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 4485 transitions. [2021-10-16 02:31:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-16 02:31:11,702 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:11,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:11,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 02:31:11,703 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash 481907651, now seen corresponding path program 1 times [2021-10-16 02:31:11,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:11,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797410688] [2021-10-16 02:31:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:11,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:12,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:12,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797410688] [2021-10-16 02:31:12,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797410688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:12,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:12,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 02:31:12,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522061806] [2021-10-16 02:31:12,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:31:12,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:12,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:31:12,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:31:12,162 INFO L87 Difference]: Start difference. First operand 3036 states and 4485 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:13,040 INFO L93 Difference]: Finished difference Result 8043 states and 11928 transitions. [2021-10-16 02:31:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:31:13,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-10-16 02:31:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:13,077 INFO L225 Difference]: With dead ends: 8043 [2021-10-16 02:31:13,078 INFO L226 Difference]: Without dead ends: 5315 [2021-10-16 02:31:13,084 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:31:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2021-10-16 02:31:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5283. [2021-10-16 02:31:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5282 states have (on average 1.463839454751988) internal successors, (7732), 5282 states have internal predecessors, (7732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 7732 transitions. [2021-10-16 02:31:13,778 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 7732 transitions. Word has length 128 [2021-10-16 02:31:13,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:13,784 INFO L470 AbstractCegarLoop]: Abstraction has 5283 states and 7732 transitions. [2021-10-16 02:31:13,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 7732 transitions. [2021-10-16 02:31:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-16 02:31:13,789 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:13,790 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:13,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 02:31:13,790 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:13,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:13,791 INFO L82 PathProgramCache]: Analyzing trace with hash -213357290, now seen corresponding path program 1 times [2021-10-16 02:31:13,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:13,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194451172] [2021-10-16 02:31:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:13,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:13,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:13,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194451172] [2021-10-16 02:31:13,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194451172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:13,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:13,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:13,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748024977] [2021-10-16 02:31:13,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:13,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:13,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:13,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:13,945 INFO L87 Difference]: Start difference. First operand 5283 states and 7732 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:14,817 INFO L93 Difference]: Finished difference Result 10473 states and 15348 transitions. [2021-10-16 02:31:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:14,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-10-16 02:31:14,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:14,855 INFO L225 Difference]: With dead ends: 10473 [2021-10-16 02:31:14,855 INFO L226 Difference]: Without dead ends: 5283 [2021-10-16 02:31:14,864 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:14,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2021-10-16 02:31:15,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5283. [2021-10-16 02:31:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5282 states have (on average 1.445096554335479) internal successors, (7633), 5282 states have internal predecessors, (7633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 7633 transitions. [2021-10-16 02:31:15,625 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 7633 transitions. Word has length 128 [2021-10-16 02:31:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:15,626 INFO L470 AbstractCegarLoop]: Abstraction has 5283 states and 7633 transitions. [2021-10-16 02:31:15,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 7633 transitions. [2021-10-16 02:31:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-16 02:31:15,631 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:15,632 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:15,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 02:31:15,632 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:15,633 INFO L82 PathProgramCache]: Analyzing trace with hash 975135963, now seen corresponding path program 1 times [2021-10-16 02:31:15,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:15,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171073153] [2021-10-16 02:31:15,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:15,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:15,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:15,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171073153] [2021-10-16 02:31:15,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171073153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:15,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:15,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:15,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236036468] [2021-10-16 02:31:15,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:15,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:15,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:15,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:15,969 INFO L87 Difference]: Start difference. First operand 5283 states and 7633 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:16,756 INFO L93 Difference]: Finished difference Result 7929 states and 11517 transitions. [2021-10-16 02:31:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:16,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-10-16 02:31:16,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:16,801 INFO L225 Difference]: With dead ends: 7929 [2021-10-16 02:31:16,801 INFO L226 Difference]: Without dead ends: 5317 [2021-10-16 02:31:16,807 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2021-10-16 02:31:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 5283. [2021-10-16 02:31:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5282 states have (on average 1.4449072321090497) internal successors, (7632), 5282 states have internal predecessors, (7632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 7632 transitions. [2021-10-16 02:31:17,513 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 7632 transitions. Word has length 128 [2021-10-16 02:31:17,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:17,514 INFO L470 AbstractCegarLoop]: Abstraction has 5283 states and 7632 transitions. [2021-10-16 02:31:17,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 7632 transitions. [2021-10-16 02:31:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-16 02:31:17,520 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:17,521 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:17,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 02:31:17,521 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:17,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:17,522 INFO L82 PathProgramCache]: Analyzing trace with hash 300249033, now seen corresponding path program 1 times [2021-10-16 02:31:17,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:17,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377536748] [2021-10-16 02:31:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:17,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:17,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:17,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377536748] [2021-10-16 02:31:17,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377536748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:17,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:17,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:17,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791735113] [2021-10-16 02:31:17,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:17,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:17,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:17,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:17,809 INFO L87 Difference]: Start difference. First operand 5283 states and 7632 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:18,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:18,626 INFO L93 Difference]: Finished difference Result 7140 states and 10365 transitions. [2021-10-16 02:31:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:18,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-16 02:31:18,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:18,642 INFO L225 Difference]: With dead ends: 7140 [2021-10-16 02:31:18,642 INFO L226 Difference]: Without dead ends: 5295 [2021-10-16 02:31:18,647 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2021-10-16 02:31:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5275. [2021-10-16 02:31:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 5274 states have (on average 1.4452028820629503) internal successors, (7622), 5274 states have internal predecessors, (7622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 7622 transitions. [2021-10-16 02:31:19,520 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 7622 transitions. Word has length 133 [2021-10-16 02:31:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:19,521 INFO L470 AbstractCegarLoop]: Abstraction has 5275 states and 7622 transitions. [2021-10-16 02:31:19,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 7622 transitions. [2021-10-16 02:31:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-16 02:31:19,526 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:19,527 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:19,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 02:31:19,527 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:19,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2095861219, now seen corresponding path program 1 times [2021-10-16 02:31:19,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:19,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505481925] [2021-10-16 02:31:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:19,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:26,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:26,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505481925] [2021-10-16 02:31:26,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505481925] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:26,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:26,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-10-16 02:31:26,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922874683] [2021-10-16 02:31:26,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-16 02:31:26,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:26,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-16 02:31:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1218, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 02:31:26,327 INFO L87 Difference]: Start difference. First operand 5275 states and 7622 transitions. Second operand has 37 states, 37 states have (on average 3.5945945945945947) internal successors, (133), 36 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:43,495 INFO L93 Difference]: Finished difference Result 14998 states and 22432 transitions. [2021-10-16 02:31:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 02:31:43,495 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.5945945945945947) internal successors, (133), 36 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-16 02:31:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:43,526 INFO L225 Difference]: With dead ends: 14998 [2021-10-16 02:31:43,527 INFO L226 Difference]: Without dead ends: 11031 [2021-10-16 02:31:43,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 12602.9ms TimeCoverageRelationStatistics Valid=796, Invalid=4174, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 02:31:43,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11031 states. [2021-10-16 02:31:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11031 to 9220. [2021-10-16 02:31:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9220 states, 9219 states have (on average 1.475322703113136) internal successors, (13601), 9219 states have internal predecessors, (13601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9220 states to 9220 states and 13601 transitions. [2021-10-16 02:31:44,626 INFO L78 Accepts]: Start accepts. Automaton has 9220 states and 13601 transitions. Word has length 133 [2021-10-16 02:31:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:44,626 INFO L470 AbstractCegarLoop]: Abstraction has 9220 states and 13601 transitions. [2021-10-16 02:31:44,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.5945945945945947) internal successors, (133), 36 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 9220 states and 13601 transitions. [2021-10-16 02:31:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-16 02:31:44,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:44,633 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:44,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 02:31:44,634 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:44,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1678359298, now seen corresponding path program 1 times [2021-10-16 02:31:44,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:44,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787167412] [2021-10-16 02:31:44,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:44,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:44,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:44,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787167412] [2021-10-16 02:31:44,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787167412] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:44,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:44,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:31:44,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027939194] [2021-10-16 02:31:44,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:31:44,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:44,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:31:44,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:44,726 INFO L87 Difference]: Start difference. First operand 9220 states and 13601 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:45,964 INFO L93 Difference]: Finished difference Result 15800 states and 23385 transitions. [2021-10-16 02:31:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:31:45,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-16 02:31:45,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:46,003 INFO L225 Difference]: With dead ends: 15800 [2021-10-16 02:31:46,003 INFO L226 Difference]: Without dead ends: 12528 [2021-10-16 02:31:46,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:31:46,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12528 states. [2021-10-16 02:31:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12528 to 12526. [2021-10-16 02:31:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12526 states, 12525 states have (on average 1.4616367265469061) internal successors, (18307), 12525 states have internal predecessors, (18307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 18307 transitions. [2021-10-16 02:31:47,308 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 18307 transitions. Word has length 133 [2021-10-16 02:31:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:47,309 INFO L470 AbstractCegarLoop]: Abstraction has 12526 states and 18307 transitions. [2021-10-16 02:31:47,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 18307 transitions. [2021-10-16 02:31:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-16 02:31:47,316 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:47,316 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:47,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 02:31:47,317 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:47,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:47,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1916874385, now seen corresponding path program 1 times [2021-10-16 02:31:47,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:47,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58082898] [2021-10-16 02:31:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:47,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:47,560 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:47,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58082898] [2021-10-16 02:31:47,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58082898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:47,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:47,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:31:47,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7921400] [2021-10-16 02:31:47,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:31:47,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:47,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:31:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:31:47,563 INFO L87 Difference]: Start difference. First operand 12526 states and 18307 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:31:49,061 INFO L93 Difference]: Finished difference Result 20347 states and 29955 transitions. [2021-10-16 02:31:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:31:49,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-16 02:31:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:31:49,100 INFO L225 Difference]: With dead ends: 20347 [2021-10-16 02:31:49,100 INFO L226 Difference]: Without dead ends: 12012 [2021-10-16 02:31:49,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:31:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12012 states. [2021-10-16 02:31:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12012 to 11224. [2021-10-16 02:31:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11224 states, 11223 states have (on average 1.4606611422970686) internal successors, (16393), 11223 states have internal predecessors, (16393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11224 states to 11224 states and 16393 transitions. [2021-10-16 02:31:50,587 INFO L78 Accepts]: Start accepts. Automaton has 11224 states and 16393 transitions. Word has length 133 [2021-10-16 02:31:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:31:50,588 INFO L470 AbstractCegarLoop]: Abstraction has 11224 states and 16393 transitions. [2021-10-16 02:31:50,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:31:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 11224 states and 16393 transitions. [2021-10-16 02:31:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-16 02:31:50,593 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:31:50,593 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:31:50,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 02:31:50,594 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:31:50,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:31:50,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2034373985, now seen corresponding path program 1 times [2021-10-16 02:31:50,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:31:50,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303208359] [2021-10-16 02:31:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:50,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:31:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:54,052 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:31:54,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303208359] [2021-10-16 02:31:54,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303208359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:31:54,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:31:54,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 02:31:54,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994000165] [2021-10-16 02:31:54,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 02:31:54,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:31:54,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 02:31:54,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2021-10-16 02:31:54,056 INFO L87 Difference]: Start difference. First operand 11224 states and 16393 transitions. Second operand has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:02,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:02,909 INFO L93 Difference]: Finished difference Result 14258 states and 20663 transitions. [2021-10-16 02:32:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 02:32:02,909 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-16 02:32:02,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:02,947 INFO L225 Difference]: With dead ends: 14258 [2021-10-16 02:32:02,948 INFO L226 Difference]: Without dead ends: 11892 [2021-10-16 02:32:02,957 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 6080.1ms TimeCoverageRelationStatistics Valid=446, Invalid=1624, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 02:32:02,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11892 states. [2021-10-16 02:32:04,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11892 to 11322. [2021-10-16 02:32:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11322 states, 11321 states have (on average 1.458351735712393) internal successors, (16510), 11321 states have internal predecessors, (16510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:04,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11322 states to 11322 states and 16510 transitions. [2021-10-16 02:32:04,354 INFO L78 Accepts]: Start accepts. Automaton has 11322 states and 16510 transitions. Word has length 133 [2021-10-16 02:32:04,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:04,355 INFO L470 AbstractCegarLoop]: Abstraction has 11322 states and 16510 transitions. [2021-10-16 02:32:04,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 28 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 11322 states and 16510 transitions. [2021-10-16 02:32:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:04,361 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:04,361 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:04,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 02:32:04,362 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash -300051329, now seen corresponding path program 1 times [2021-10-16 02:32:04,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:04,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152724849] [2021-10-16 02:32:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:04,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:04,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:04,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152724849] [2021-10-16 02:32:04,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152724849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:04,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:04,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:04,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866653578] [2021-10-16 02:32:04,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:04,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:04,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:04,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:04,423 INFO L87 Difference]: Start difference. First operand 11322 states and 16510 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:05,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:05,813 INFO L93 Difference]: Finished difference Result 19803 states and 28917 transitions. [2021-10-16 02:32:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:05,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:05,839 INFO L225 Difference]: With dead ends: 19803 [2021-10-16 02:32:05,840 INFO L226 Difference]: Without dead ends: 11392 [2021-10-16 02:32:05,857 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:05,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11392 states. [2021-10-16 02:32:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11392 to 11220. [2021-10-16 02:32:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11220 states, 11219 states have (on average 1.4533380871735448) internal successors, (16305), 11219 states have internal predecessors, (16305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11220 states to 11220 states and 16305 transitions. [2021-10-16 02:32:07,352 INFO L78 Accepts]: Start accepts. Automaton has 11220 states and 16305 transitions. Word has length 134 [2021-10-16 02:32:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:07,352 INFO L470 AbstractCegarLoop]: Abstraction has 11220 states and 16305 transitions. [2021-10-16 02:32:07,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 11220 states and 16305 transitions. [2021-10-16 02:32:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:07,358 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:07,358 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:07,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 02:32:07,359 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:07,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:07,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1949700421, now seen corresponding path program 1 times [2021-10-16 02:32:07,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:07,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149789141] [2021-10-16 02:32:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:07,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:07,414 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:07,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149789141] [2021-10-16 02:32:07,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149789141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:07,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:07,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:07,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879316503] [2021-10-16 02:32:07,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:07,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:07,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:07,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:07,418 INFO L87 Difference]: Start difference. First operand 11220 states and 16305 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:08,989 INFO L93 Difference]: Finished difference Result 23744 states and 34346 transitions. [2021-10-16 02:32:08,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:09,012 INFO L225 Difference]: With dead ends: 23744 [2021-10-16 02:32:09,013 INFO L226 Difference]: Without dead ends: 12906 [2021-10-16 02:32:09,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:09,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12906 states. [2021-10-16 02:32:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12906 to 11098. [2021-10-16 02:32:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11098 states, 11097 states have (on average 1.4472379922501577) internal successors, (16060), 11097 states have internal predecessors, (16060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11098 states to 11098 states and 16060 transitions. [2021-10-16 02:32:10,638 INFO L78 Accepts]: Start accepts. Automaton has 11098 states and 16060 transitions. Word has length 134 [2021-10-16 02:32:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:10,638 INFO L470 AbstractCegarLoop]: Abstraction has 11098 states and 16060 transitions. [2021-10-16 02:32:10,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11098 states and 16060 transitions. [2021-10-16 02:32:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:10,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:10,643 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:10,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 02:32:10,644 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:10,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:10,644 INFO L82 PathProgramCache]: Analyzing trace with hash -376213469, now seen corresponding path program 1 times [2021-10-16 02:32:10,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:10,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745624447] [2021-10-16 02:32:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:10,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:10,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:10,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745624447] [2021-10-16 02:32:10,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745624447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:10,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:10,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:10,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080898200] [2021-10-16 02:32:10,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:10,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:10,700 INFO L87 Difference]: Start difference. First operand 11098 states and 16060 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:12,456 INFO L93 Difference]: Finished difference Result 21296 states and 30747 transitions. [2021-10-16 02:32:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:12,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:12,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:12,478 INFO L225 Difference]: With dead ends: 21296 [2021-10-16 02:32:12,478 INFO L226 Difference]: Without dead ends: 12956 [2021-10-16 02:32:12,488 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:12,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12956 states. [2021-10-16 02:32:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12956 to 10930. [2021-10-16 02:32:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10930 states, 10929 states have (on average 1.4445054442309453) internal successors, (15787), 10929 states have internal predecessors, (15787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 15787 transitions. [2021-10-16 02:32:13,821 INFO L78 Accepts]: Start accepts. Automaton has 10930 states and 15787 transitions. Word has length 134 [2021-10-16 02:32:13,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:13,821 INFO L470 AbstractCegarLoop]: Abstraction has 10930 states and 15787 transitions. [2021-10-16 02:32:13,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 10930 states and 15787 transitions. [2021-10-16 02:32:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:13,826 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:13,827 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:13,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 02:32:13,827 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1145639596, now seen corresponding path program 1 times [2021-10-16 02:32:13,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:13,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732174317] [2021-10-16 02:32:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:13,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:13,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:13,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732174317] [2021-10-16 02:32:13,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732174317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:13,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:13,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:13,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990645524] [2021-10-16 02:32:13,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:13,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:13,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:13,882 INFO L87 Difference]: Start difference. First operand 10930 states and 15787 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:15,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:15,375 INFO L93 Difference]: Finished difference Result 17760 states and 25590 transitions. [2021-10-16 02:32:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:15,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:15,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:15,393 INFO L225 Difference]: With dead ends: 17760 [2021-10-16 02:32:15,394 INFO L226 Difference]: Without dead ends: 11124 [2021-10-16 02:32:15,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:15,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11124 states. [2021-10-16 02:32:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11124 to 10853. [2021-10-16 02:32:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10853 states, 10852 states have (on average 1.4404718024327312) internal successors, (15632), 10852 states have internal predecessors, (15632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10853 states to 10853 states and 15632 transitions. [2021-10-16 02:32:16,660 INFO L78 Accepts]: Start accepts. Automaton has 10853 states and 15632 transitions. Word has length 134 [2021-10-16 02:32:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:16,661 INFO L470 AbstractCegarLoop]: Abstraction has 10853 states and 15632 transitions. [2021-10-16 02:32:16,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 10853 states and 15632 transitions. [2021-10-16 02:32:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:16,664 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:16,664 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:16,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 02:32:16,664 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:16,665 INFO L82 PathProgramCache]: Analyzing trace with hash 821314062, now seen corresponding path program 1 times [2021-10-16 02:32:16,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:16,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465062179] [2021-10-16 02:32:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:16,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:16,720 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:16,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465062179] [2021-10-16 02:32:16,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465062179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:16,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:16,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:16,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706859351] [2021-10-16 02:32:16,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:16,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:16,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:16,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:16,723 INFO L87 Difference]: Start difference. First operand 10853 states and 15632 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:18,094 INFO L93 Difference]: Finished difference Result 18260 states and 26196 transitions. [2021-10-16 02:32:18,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:18,110 INFO L225 Difference]: With dead ends: 18260 [2021-10-16 02:32:18,110 INFO L226 Difference]: Without dead ends: 11615 [2021-10-16 02:32:18,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11615 states. [2021-10-16 02:32:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11615 to 10773. [2021-10-16 02:32:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10773 states, 10772 states have (on average 1.4362235425176384) internal successors, (15471), 10772 states have internal predecessors, (15471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10773 states to 10773 states and 15471 transitions. [2021-10-16 02:32:19,200 INFO L78 Accepts]: Start accepts. Automaton has 10773 states and 15471 transitions. Word has length 134 [2021-10-16 02:32:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:19,200 INFO L470 AbstractCegarLoop]: Abstraction has 10773 states and 15471 transitions. [2021-10-16 02:32:19,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 10773 states and 15471 transitions. [2021-10-16 02:32:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-16 02:32:19,205 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:19,205 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:19,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 02:32:19,205 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:19,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:19,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2109565396, now seen corresponding path program 1 times [2021-10-16 02:32:19,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:19,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815652561] [2021-10-16 02:32:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:19,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:19,254 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:19,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815652561] [2021-10-16 02:32:19,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815652561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:19,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:19,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:32:19,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430443742] [2021-10-16 02:32:19,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:32:19,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:19,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:32:19,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:19,257 INFO L87 Difference]: Start difference. First operand 10773 states and 15471 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:20,808 INFO L93 Difference]: Finished difference Result 20037 states and 28572 transitions. [2021-10-16 02:32:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:32:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-16 02:32:20,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:20,829 INFO L225 Difference]: With dead ends: 20037 [2021-10-16 02:32:20,829 INFO L226 Difference]: Without dead ends: 12632 [2021-10-16 02:32:20,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:32:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2021-10-16 02:32:22,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 10675. [2021-10-16 02:32:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10675 states, 10674 states have (on average 1.432265317594154) internal successors, (15288), 10674 states have internal predecessors, (15288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10675 states to 10675 states and 15288 transitions. [2021-10-16 02:32:22,171 INFO L78 Accepts]: Start accepts. Automaton has 10675 states and 15288 transitions. Word has length 134 [2021-10-16 02:32:22,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:22,171 INFO L470 AbstractCegarLoop]: Abstraction has 10675 states and 15288 transitions. [2021-10-16 02:32:22,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:32:22,172 INFO L276 IsEmpty]: Start isEmpty. Operand 10675 states and 15288 transitions. [2021-10-16 02:32:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-16 02:32:22,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:22,175 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:22,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 02:32:22,175 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:22,176 INFO L82 PathProgramCache]: Analyzing trace with hash 892474324, now seen corresponding path program 1 times [2021-10-16 02:32:22,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:22,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478673482] [2021-10-16 02:32:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:22,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:32:22,389 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:32:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:32:22,742 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:32:22,742 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:32:22,743 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:32:22,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 02:32:22,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:32:23,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:32:23 BoogieIcfgContainer [2021-10-16 02:32:23,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:32:23,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:32:23,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:32:23,117 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:32:23,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:31:05" (3/4) ... [2021-10-16 02:32:23,120 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:32:23,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:32:23,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:32:23,450 INFO L168 Benchmark]: Toolchain (without parser) took 82007.55 ms. Allocated memory was 111.1 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 71.3 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 537.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,450 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 89.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:32:23,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.37 ms. Allocated memory is still 111.1 MB. Free memory was 71.1 MB in the beginning and 69.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.42 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 64.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,452 INFO L168 Benchmark]: Boogie Preprocessor took 76.22 ms. Allocated memory is still 111.1 MB. Free memory was 64.3 MB in the beginning and 60.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,453 INFO L168 Benchmark]: RCFGBuilder took 2798.07 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 60.3 MB in the beginning and 72.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,453 INFO L168 Benchmark]: TraceAbstraction took 77799.75 ms. Allocated memory was 142.6 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 71.0 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 446.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,454 INFO L168 Benchmark]: Witness Printer took 331.90 ms. Allocated memory is still 2.5 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 59.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:23,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 89.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 887.37 ms. Allocated memory is still 111.1 MB. Free memory was 71.1 MB in the beginning and 69.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.42 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 64.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.22 ms. Allocated memory is still 111.1 MB. Free memory was 64.3 MB in the beginning and 60.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2798.07 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 60.3 MB in the beginning and 72.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 77799.75 ms. Allocated memory was 142.6 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 71.0 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 446.1 MB. Max. memory is 16.1 GB. * Witness Printer took 331.90 ms. Allocated memory is still 2.5 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 59.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 933]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L10] int __return_main; [L26] msg_t nomsg = (msg_t )-1; [L27] port_t p12 = 0; [L28] char p12_old = '\x0'; [L29] char p12_new = '\x0'; [L30] _Bool ep12 = 0; [L31] port_t p13 = 0; [L32] char p13_old = '\x0'; [L33] char p13_new = '\x0'; [L34] _Bool ep13 = 0; [L35] port_t p21 = 0; [L36] char p21_old = '\x0'; [L37] char p21_new = '\x0'; [L38] _Bool ep21 = 0; [L39] port_t p23 = 0; [L40] char p23_old = '\x0'; [L41] char p23_new = '\x0'; [L42] _Bool ep23 = 0; [L43] port_t p31 = 0; [L44] char p31_old = '\x0'; [L45] char p31_new = '\x0'; [L46] _Bool ep31 = 0; [L47] port_t p32 = 0; [L48] char p32_old = '\x0'; [L49] char p32_new = '\x0'; [L50] _Bool ep32 = 0; [L51] char id1 = '\x0'; [L52] unsigned char r1 = '\x0'; [L53] char st1 = '\x0'; [L54] char nl1 = '\x0'; [L55] char m1 = '\x0'; [L56] char max1 = '\x0'; [L57] _Bool mode1 = 0; [L58] _Bool newmax1 = 0; [L59] char id2 = '\x0'; [L60] unsigned char r2 = '\x0'; [L61] char st2 = '\x0'; [L62] char nl2 = '\x0'; [L63] char m2 = '\x0'; [L64] char max2 = '\x0'; [L65] _Bool mode2 = 0; [L66] _Bool newmax2 = 0; [L67] char id3 = '\x0'; [L68] unsigned char r3 = '\x0'; [L69] char st3 = '\x0'; [L70] char nl3 = '\x0'; [L71] char m3 = '\x0'; [L72] char max3 = '\x0'; [L73] _Bool mode3 = 0; [L74] _Bool newmax3 = 0; [L78] void (*nodes[3])() = { &node1, &node2, &node3 }; [L82] int __return_1897; [L83] int __return_2043; [L84] int __return_2176; [L85] int __return_2312; [L86] int __return_2456; [L87] int __return_2581; [L90] int main__c1; [L91] int main__i2; [L92] main__c1 = 0 [L93] ep12 = __VERIFIER_nondet_bool() [L94] ep13 = __VERIFIER_nondet_bool() [L95] ep21 = __VERIFIER_nondet_bool() [L96] ep23 = __VERIFIER_nondet_bool() [L97] ep31 = __VERIFIER_nondet_bool() [L98] ep32 = __VERIFIER_nondet_bool() [L99] id1 = __VERIFIER_nondet_char() [L100] r1 = __VERIFIER_nondet_uchar() [L101] st1 = __VERIFIER_nondet_char() [L102] nl1 = __VERIFIER_nondet_char() [L103] m1 = __VERIFIER_nondet_char() [L104] max1 = __VERIFIER_nondet_char() [L105] mode1 = __VERIFIER_nondet_bool() [L106] newmax1 = __VERIFIER_nondet_bool() [L107] id2 = __VERIFIER_nondet_char() [L108] r2 = __VERIFIER_nondet_uchar() [L109] st2 = __VERIFIER_nondet_char() [L110] nl2 = __VERIFIER_nondet_char() [L111] m2 = __VERIFIER_nondet_char() [L112] max2 = __VERIFIER_nondet_char() [L113] mode2 = __VERIFIER_nondet_bool() [L114] newmax2 = __VERIFIER_nondet_bool() [L115] id3 = __VERIFIER_nondet_char() [L116] r3 = __VERIFIER_nondet_uchar() [L117] st3 = __VERIFIER_nondet_char() [L118] nl3 = __VERIFIER_nondet_char() [L119] m3 = __VERIFIER_nondet_char() [L120] max3 = __VERIFIER_nondet_char() [L121] mode3 = __VERIFIER_nondet_bool() [L122] newmax3 = __VERIFIER_nondet_bool() [L124] _Bool init__r121; [L125] _Bool init__r131; [L126] _Bool init__r211; [L127] _Bool init__r231; [L128] _Bool init__r311; [L129] _Bool init__r321; [L130] _Bool init__r122; [L131] int init__tmp; [L132] _Bool init__r132; [L133] int init__tmp___0; [L134] _Bool init__r212; [L135] int init__tmp___1; [L136] _Bool init__r232; [L137] int init__tmp___2; [L138] _Bool init__r312; [L139] int init__tmp___3; [L140] _Bool init__r322; [L141] int init__tmp___4; [L142] int init__tmp___5; [L143] init__r121 = ep12 [L144] init__r131 = ep13 [L145] init__r211 = ep21 [L146] init__r231 = ep23 [L147] init__r311 = ep31 [L148] init__r321 = ep32 [L149] COND FALSE !(!(init__r121 == 0)) [L2507] COND TRUE !(init__r131 == 0) [L2509] COND TRUE !(ep32 == 0) [L2511] init__tmp = 1 [L153] init__r122 = (_Bool)init__tmp [L154] COND TRUE !(init__r131 == 0) [L156] init__tmp___0 = 1 [L158] init__r132 = (_Bool)init__tmp___0 [L159] COND TRUE !(init__r211 == 0) [L161] init__tmp___1 = 1 [L163] init__r212 = (_Bool)init__tmp___1 [L164] COND FALSE !(!(init__r231 == 0)) [L2438] COND TRUE !(init__r211 == 0) [L2440] COND TRUE !(ep13 == 0) [L2442] init__tmp___2 = 1 [L168] init__r232 = (_Bool)init__tmp___2 [L169] COND FALSE !(!(init__r311 == 0)) [L2415] COND TRUE !(init__r321 == 0) [L2417] COND TRUE !(ep21 == 0) [L2419] init__tmp___3 = 1 [L173] init__r312 = (_Bool)init__tmp___3 [L174] COND TRUE !(init__r321 == 0) [L176] init__tmp___4 = 1 [L178] init__r322 = (_Bool)init__tmp___4 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L179] COND TRUE ((int)id1) != ((int)id2) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L181] COND TRUE ((int)id1) != ((int)id3) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L183] COND TRUE ((int)id2) != ((int)id3) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L185] COND TRUE ((int)id1) >= 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L187] COND TRUE ((int)id2) >= 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L189] COND TRUE ((int)id3) >= 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, st1=0, st2=0, st3=0] [L191] COND TRUE ((int)r1) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, st1=0, st2=0, st3=0] [L193] COND TRUE ((int)r2) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, st1=0, st2=0, st3=0] [L195] COND TRUE ((int)r3) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L197] COND TRUE !(init__r122 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L199] COND TRUE !(init__r132 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L201] COND TRUE !(init__r212 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L203] COND TRUE !(init__r232 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L205] COND TRUE !(init__r312 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L207] COND TRUE !(init__r322 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L209] COND TRUE ((int)max1) == ((int)id1) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L211] COND TRUE ((int)max2) == ((int)id2) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L213] COND TRUE ((int)max3) == ((int)id3) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L215] COND TRUE ((int)st1) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L217] COND TRUE ((int)st2) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L219] COND TRUE ((int)st3) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L221] COND TRUE ((int)nl1) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L223] COND TRUE ((int)nl2) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L225] COND TRUE ((int)nl3) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L227] COND TRUE ((int)mode1) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L229] COND TRUE ((int)mode2) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L231] COND TRUE ((int)mode3) == 0 VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L233] COND TRUE !(newmax1 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L235] COND TRUE !(newmax2 == 0) VAL [__return_1897=0, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L237] COND TRUE !(newmax3 == 0) [L239] init__tmp___5 = 1 [L240] __return_1897 = init__tmp___5 [L241] main__i2 = __return_1897 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L242] COND TRUE main__i2 != 0 [L244] p12_old = nomsg [L245] p12_new = nomsg [L246] p13_old = nomsg [L247] p13_new = nomsg [L248] p21_old = nomsg [L249] p21_new = nomsg [L250] p23_old = nomsg [L251] p23_new = nomsg [L252] p31_old = nomsg [L253] p31_new = nomsg [L254] p32_old = nomsg [L255] p32_new = nomsg [L256] main__i2 = 0 [L258] _Bool node1__newmax; [L259] node1__newmax = 0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L260] COND FALSE !(!(mode1 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L266] COND TRUE ((int)r1) < 2 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L268] COND FALSE !(!(ep12 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L281] COND TRUE !(ep13 == 0) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L283] COND TRUE !(newmax1 == 0) [L285] int node1____CPAchecker_TMP_1; VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L286] COND TRUE max1 != nomsg VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L288] COND TRUE p13_new == nomsg [L290] node1____CPAchecker_TMP_1 = max1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L292] p13_new = node1____CPAchecker_TMP_1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L294] mode1 = 1 [L296] _Bool node2__newmax; [L297] node2__newmax = 0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L298] COND FALSE !(!(mode2 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L304] COND TRUE ((int)r2) < 2 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L306] COND TRUE !(ep21 == 0) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L308] COND TRUE !(newmax2 == 0) [L310] int node2____CPAchecker_TMP_0; VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L311] COND TRUE max2 != nomsg VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L313] COND TRUE p21_new == nomsg [L315] node2____CPAchecker_TMP_0 = max2 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L317] p21_new = node2____CPAchecker_TMP_0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L319] COND FALSE !(!(ep23 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L332] mode2 = 1 [L334] _Bool node3__newmax; [L335] node3__newmax = 0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L336] COND FALSE !(!(mode3 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L342] COND TRUE ((int)r3) < 2 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L344] COND FALSE !(!(ep31 == 0)) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L357] COND TRUE !(ep32 == 0) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L359] COND TRUE !(newmax3 == 0) [L361] int node3____CPAchecker_TMP_1; VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L362] COND TRUE max3 != nomsg VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L364] COND TRUE p32_new == nomsg [L366] node3____CPAchecker_TMP_1 = max3 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L368] p32_new = node3____CPAchecker_TMP_1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=125, p13_old=-1, p21=0, p21_new=127, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=126, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L370] mode3 = 1 [L371] p12_old = p12_new [L372] p12_new = nomsg [L373] p13_old = p13_new [L374] p13_new = nomsg [L375] p21_old = p21_new [L376] p21_new = nomsg [L377] p23_old = p23_new [L378] p23_new = nomsg [L379] p31_old = p31_new [L380] p31_new = nomsg [L381] p32_old = p32_new [L382] p32_new = nomsg [L384] int check__tmp; VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L385] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L387] COND TRUE (((int)st1) + ((int)nl1)) <= 1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L389] COND TRUE (((int)st2) + ((int)nl2)) <= 1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L391] COND TRUE (((int)st3) + ((int)nl3)) <= 1 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L393] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L399] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L401] COND TRUE ((int)r1) < 2 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L403] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L409] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 VAL [__return_1897=1, __return_2043=0, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L411] COND TRUE ((int)r1) < 2 [L413] check__tmp = 1 [L414] __return_2043 = check__tmp [L415] main__c1 = __return_2043 [L417] _Bool __tmp_1; [L418] __tmp_1 = main__c1 [L419] _Bool assert__arg; [L420] assert__arg = __tmp_1 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L421] COND FALSE !(assert__arg == 0) [L428] _Bool node1__newmax; [L429] node1__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L430] COND TRUE !(mode1 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=0, m2=0, m3=0, max1=125, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=127, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L432] COND FALSE !(r1 == 255) [L438] r1 = r1 + 1 [L439] COND TRUE !(ep21 == 0) [L441] m1 = p21_old [L442] p21_old = nomsg [L443] COND TRUE ((int)m1) > ((int)max1) [L445] max1 = m1 [L446] node1__newmax = 1 [L448] COND FALSE !(!(ep31 == 0)) [L457] newmax1 = node1__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=0, m3=0, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=1, r2=0, r3=0, st1=0, st2=0, st3=0] [L458] COND FALSE !(((int)r1) == 2) [L464] mode1 = 0 [L466] _Bool node2__newmax; [L467] node2__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=0, m3=0, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=1, r2=0, r3=0, st1=0, st2=0, st3=0] [L468] COND TRUE !(mode2 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=0, m3=0, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=1, newmax2=1, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=126, r1=1, r2=0, r3=0, st1=0, st2=0, st3=0] [L470] COND FALSE !(r2 == 255) [L476] r2 = r2 + 1 [L477] COND FALSE !(!(ep12 == 0)) [L486] COND TRUE !(ep32 == 0) [L488] m2 = p32_old [L489] p32_old = nomsg [L490] COND FALSE !(((int)m2) > ((int)max2)) [L495] newmax2 = node2__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=0, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=0, st1=0, st2=0, st3=0] [L496] COND FALSE !(((int)r2) == 2) [L502] mode2 = 0 [L504] _Bool node3__newmax; [L505] node3__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=0, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=1, newmax1=1, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=0, st1=0, st2=0, st3=0] [L506] COND TRUE !(mode3 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=0, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=1, newmax1=1, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=0, st1=0, st2=0, st3=0] [L508] COND FALSE !(r3 == 255) [L514] r3 = r3 + 1 [L515] COND TRUE !(ep13 == 0) [L517] m3 = p13_old [L518] p13_old = nomsg [L519] COND FALSE !(((int)m3) > ((int)max3)) [L524] COND FALSE !(!(ep23 == 0)) [L533] newmax3 = node3__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L534] COND FALSE !(((int)r3) == 2) [L540] mode3 = 0 [L541] p12_old = p12_new [L542] p12_new = nomsg [L543] p13_old = p13_new [L544] p13_new = nomsg [L545] p21_old = p21_new [L546] p21_new = nomsg [L547] p23_old = p23_new [L548] p23_new = nomsg [L549] p31_old = p31_new [L550] p31_new = nomsg [L551] p32_old = p32_new [L552] p32_new = nomsg [L554] int check__tmp; VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L555] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L557] COND TRUE (((int)st1) + ((int)nl1)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L559] COND TRUE (((int)st2) + ((int)nl2)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L561] COND TRUE (((int)st3) + ((int)nl3)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L563] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L569] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L571] COND TRUE ((int)r1) < 2 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L573] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L579] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 VAL [__return_1897=1, __return_2043=1, __return_2176=0, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L581] COND TRUE ((int)r1) < 2 [L583] check__tmp = 1 [L584] __return_2176 = check__tmp [L585] main__c1 = __return_2176 [L587] _Bool __tmp_2; [L588] __tmp_2 = main__c1 [L589] _Bool assert__arg; [L590] assert__arg = __tmp_2 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L591] COND FALSE !(assert__arg == 0) [L598] _Bool node1__newmax; [L599] node1__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L600] COND FALSE !(!(mode1 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L606] COND TRUE ((int)r1) < 2 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L608] COND FALSE !(!(ep12 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L621] COND TRUE !(ep13 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L623] COND TRUE !(newmax1 == 0) [L625] int node1____CPAchecker_TMP_1; VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L626] COND TRUE max1 != nomsg VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L628] COND TRUE p13_new == nomsg [L630] node1____CPAchecker_TMP_1 = max1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L632] p13_new = node1____CPAchecker_TMP_1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L634] mode1 = 1 [L636] _Bool node2__newmax; [L637] node2__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L638] COND FALSE !(!(mode2 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L644] COND TRUE ((int)r2) < 2 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L646] COND TRUE !(ep21 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L648] COND FALSE !(!(newmax2 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L659] COND FALSE !(!(ep23 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=0, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L672] mode2 = 1 [L674] _Bool node3__newmax; [L675] node3__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L676] COND FALSE !(!(mode3 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L682] COND TRUE ((int)r3) < 2 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L684] COND FALSE !(!(ep31 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L697] COND TRUE !(ep32 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L699] COND FALSE !(!(newmax3 == 0)) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=0, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=127, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L710] mode3 = 1 [L711] p12_old = p12_new [L712] p12_new = nomsg [L713] p13_old = p13_new [L714] p13_new = nomsg [L715] p21_old = p21_new [L716] p21_new = nomsg [L717] p23_old = p23_new [L718] p23_new = nomsg [L719] p31_old = p31_new [L720] p31_new = nomsg [L721] p32_old = p32_new [L722] p32_new = nomsg [L724] int check__tmp; VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L727] COND TRUE (((int)st1) + ((int)nl1)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L729] COND TRUE (((int)st2) + ((int)nl2)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L731] COND TRUE (((int)st3) + ((int)nl3)) <= 1 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L733] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L739] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L741] COND TRUE ((int)r1) < 2 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L743] COND FALSE !(((int)r1) >= 2) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L749] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=0, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L751] COND TRUE ((int)r1) < 2 [L753] check__tmp = 1 [L754] __return_2312 = check__tmp [L755] main__c1 = __return_2312 [L757] _Bool __tmp_3; [L758] __tmp_3 = main__c1 [L759] _Bool assert__arg; [L760] assert__arg = __tmp_3 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L761] COND FALSE !(assert__arg == 0) [L768] _Bool node1__newmax; [L769] node1__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L770] COND TRUE !(mode1 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=127, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=0, st2=0, st3=0] [L772] COND FALSE !(r1 == 255) [L778] r1 = r1 + 1 [L779] COND TRUE !(ep21 == 0) [L781] m1 = p21_old [L782] p21_old = nomsg [L783] COND FALSE !(((int)m1) > ((int)max1)) [L788] COND FALSE !(!(ep31 == 0)) [L797] newmax1 = node1__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=1, mode2=1, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=1, r3=1, st1=0, st2=0, st3=0] [L798] COND TRUE ((int)r1) == 2 [L800] COND FALSE !(((int)max1) == ((int)id1)) [L1674] st1 = 1 [L804] mode1 = 0 [L806] _Bool node2__newmax; [L807] node2__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=1, r3=1, st1=1, st2=0, st3=0] [L808] COND TRUE !(mode2 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=126, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=1, r3=1, st1=1, st2=0, st3=0] [L810] COND FALSE !(r2 == 255) [L816] r2 = r2 + 1 [L817] COND FALSE !(!(ep12 == 0)) [L826] COND TRUE !(ep32 == 0) [L828] m2 = p32_old [L829] p32_old = nomsg [L830] COND FALSE !(((int)m2) > ((int)max2)) [L835] newmax2 = node2__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=1, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=1, st1=1, st2=0, st3=0] [L836] COND TRUE ((int)r2) == 2 [L838] COND TRUE ((int)max2) == ((int)id2) [L840] st2 = 1 [L842] mode2 = 0 [L844] _Bool node3__newmax; [L845] node3__newmax = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=1, st1=1, st2=1, st3=0] [L846] COND TRUE !(mode3 == 0) VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=125, max1=127, max2=127, max3=126, mode1=0, mode2=0, mode3=1, newmax1=0, newmax2=0, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=1, st1=1, st2=1, st3=0] [L848] COND FALSE !(r3 == 255) [L854] r3 = r3 + 1 [L855] COND TRUE !(ep13 == 0) [L857] m3 = p13_old [L858] p13_old = nomsg [L859] COND TRUE ((int)m3) > ((int)max3) [L861] max3 = m3 [L862] node3__newmax = 1 [L864] COND FALSE !(!(ep23 == 0)) [L873] newmax3 = node3__newmax VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=1, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L874] COND TRUE ((int)r3) == 2 [L876] COND FALSE !(((int)max3) == ((int)id3)) [L1598] nl3 = 1 [L880] mode3 = 0 [L881] p12_old = p12_new [L882] p12_new = nomsg [L883] p13_old = p13_new [L884] p13_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p31_old = p31_new [L890] p31_new = nomsg [L891] p32_old = p32_new [L892] p32_new = nomsg [L894] int check__tmp; VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L895] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1591] check__tmp = 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L923] __return_2456 = check__tmp [L924] main__c1 = __return_2456 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L927] _Bool __tmp_4; [L928] __tmp_4 = main__c1 [L929] _Bool assert__arg; [L930] assert__arg = __tmp_4 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L931] COND TRUE assert__arg == 0 VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] [L933] reach_error() VAL [__return_1897=1, __return_2043=1, __return_2176=1, __return_2312=1, __return_2456=0, __return_2581=0, __return_main=0, ep12=0, ep13=255, ep21=1, ep23=0, ep31=0, ep32=1, id1=125, id2=127, id3=126, m1=-1, m2=-1, m3=127, max1=127, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=0, newmax3=1, nl1=0, nl2=0, nl3=1, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=2, r2=2, r3=2, st1=1, st2=1, st3=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77361.8ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 118.9ms, AutomataDifference: 44170.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7791 SDtfs, 14925 SDslu, 15131 SDs, 0 SdLazy, 8093 SolverSat, 251 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9333.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 19122.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12526occurred in iteration=14, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17918.8ms AutomataMinimizationTime, 22 MinimizatonAttempts, 10612 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 201.8ms SsaConstructionTime, 2295.6ms SatisfiabilityAnalysisTime, 11841.3ms InterpolantComputationTime, 2969 NumberOfCodeBlocks, 2969 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2811 ConstructedInterpolants, 0 QuantifiedInterpolants, 26148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 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! [2021-10-16 02:32:23,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e7a7ea-c4ec-4a0c-9cf1-5bd6e76e441e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...