./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 11:55:05,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 11:55:05,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 11:55:05,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 11:55:05,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 11:55:05,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 11:55:05,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 11:55:05,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 11:55:05,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 11:55:05,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 11:55:05,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 11:55:05,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 11:55:05,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 11:55:05,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 11:55:05,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 11:55:05,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 11:55:05,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 11:55:05,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 11:55:05,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 11:55:05,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 11:55:05,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 11:55:05,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 11:55:05,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 11:55:05,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 11:55:05,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 11:55:05,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 11:55:05,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 11:55:05,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 11:55:05,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 11:55:05,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 11:55:05,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 11:55:05,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 11:55:05,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 11:55:05,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 11:55:05,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 11:55:05,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 11:55:05,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 11:55:05,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 11:55:05,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 11:55:05,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 11:55:05,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 11:55:05,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 11:55:05,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 11:55:05,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 11:55:05,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 11:55:05,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 11:55:05,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 11:55:05,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 11:55:05,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 11:55:05,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 11:55:05,195 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 11:55:05,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 11:55:05,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 11:55:05,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 11:55:05,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 11:55:05,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 11:55:05,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 11:55:05,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 11:55:05,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 11:55:05,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 11:55:05,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 11:55:05,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 11:55:05,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 11:55:05,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 11:55:05,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 11:55:05,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 11:55:05,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:55:05,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 11:55:05,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 11:55:05,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 11:55:05,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 11:55:05,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 11:55:05,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 11:55:05,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 11:55:05,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 11:55:05,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 11:55:05,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2021-12-22 11:55:05,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 11:55:05,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 11:55:05,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 11:55:05,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 11:55:05,435 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 11:55:05,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-22 11:55:05,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332e6d1e0/46884eef90a64636bf8f70a5c9e0a0d1/FLAG3e79c6145 [2021-12-22 11:55:06,172 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 11:55:06,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-22 11:55:06,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332e6d1e0/46884eef90a64636bf8f70a5c9e0a0d1/FLAG3e79c6145 [2021-12-22 11:55:06,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332e6d1e0/46884eef90a64636bf8f70a5c9e0a0d1 [2021-12-22 11:55:06,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 11:55:06,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 11:55:06,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 11:55:06,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 11:55:06,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 11:55:06,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:55:06" (1/1) ... [2021-12-22 11:55:06,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5a75b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:06, skipping insertion in model container [2021-12-22 11:55:06,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:55:06" (1/1) ... [2021-12-22 11:55:06,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 11:55:06,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 11:55:06,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-12-22 11:55:07,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:55:07,745 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 11:55:07,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-12-22 11:55:08,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:55:08,173 INFO L208 MainTranslator]: Completed translation [2021-12-22 11:55:08,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08 WrapperNode [2021-12-22 11:55:08,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 11:55:08,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 11:55:08,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 11:55:08,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 11:55:08,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:08,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,025 INFO L137 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21149 [2021-12-22 11:55:09,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 11:55:09,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 11:55:09,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 11:55:09,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 11:55:09,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 11:55:09,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 11:55:09,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 11:55:09,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 11:55:09,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (1/1) ... [2021-12-22 11:55:09,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:55:09,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:55:10,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 11:55:10,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 11:55:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-22 11:55:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-22 11:55:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-22 11:55:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-22 11:55:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 11:55:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-22 11:55:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-22 11:55:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-22 11:55:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-22 11:55:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-22 11:55:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-22 11:55:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-22 11:55:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-22 11:55:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-22 11:55:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-22 11:55:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-22 11:55:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-22 11:55:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-22 11:55:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-22 11:55:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 11:55:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-22 11:55:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-22 11:55:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-22 11:55:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-22 11:55:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-22 11:55:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-22 11:55:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-22 11:55:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-22 11:55:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-22 11:55:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-22 11:55:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-22 11:55:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-22 11:55:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-22 11:55:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-22 11:55:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 11:55:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-22 11:55:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-22 11:55:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-22 11:55:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-22 11:55:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-22 11:55:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-22 11:55:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-22 11:55:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-22 11:55:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-22 11:55:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-22 11:55:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-22 11:55:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-22 11:55:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-22 11:55:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-22 11:55:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-22 11:55:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-22 11:55:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-22 11:55:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-22 11:55:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-22 11:55:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-22 11:55:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-22 11:55:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-22 11:55:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-22 11:55:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-22 11:55:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-22 11:55:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-22 11:55:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-22 11:55:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-22 11:55:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-22 11:55:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-22 11:55:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-22 11:55:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-22 11:55:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-22 11:55:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-22 11:55:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-22 11:55:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-22 11:55:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-22 11:55:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-22 11:55:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-22 11:55:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-22 11:55:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-22 11:55:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-22 11:55:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-22 11:55:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-22 11:55:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-22 11:55:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-22 11:55:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-22 11:55:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-22 11:55:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-22 11:55:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-22 11:55:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-22 11:55:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-22 11:55:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 11:55:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-22 11:55:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-22 11:55:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 11:55:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 11:55:11,034 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 11:55:11,039 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 11:55:50,917 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 11:55:50,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 11:55:50,943 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 11:55:50,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:55:50 BoogieIcfgContainer [2021-12-22 11:55:50,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 11:55:50,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 11:55:50,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 11:55:50,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 11:55:50,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:55:06" (1/3) ... [2021-12-22 11:55:50,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f536be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:55:50, skipping insertion in model container [2021-12-22 11:55:50,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:55:08" (2/3) ... [2021-12-22 11:55:50,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f536be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:55:50, skipping insertion in model container [2021-12-22 11:55:50,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:55:50" (3/3) ... [2021-12-22 11:55:50,959 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2021-12-22 11:55:50,967 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 11:55:50,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 11:55:51,031 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 11:55:51,039 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 11:55:51,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 11:55:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 4820 states, 4432 states have (on average 1.5476083032490975) internal successors, (6859), 4456 states have internal predecessors, (6859), 343 states have call successors, (343), 43 states have call predecessors, (343), 43 states have return successors, (343), 333 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-22 11:55:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-22 11:55:51,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:55:51,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 11:55:51,281 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:55:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:55:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1736524066, now seen corresponding path program 1 times [2021-12-22 11:55:51,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:55:51,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026134252] [2021-12-22 11:55:51,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:55:51,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms