./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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.2-2.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 b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:20:43,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:20:43,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:20:43,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:20:43,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:20:43,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:20:43,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:20:43,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:20:43,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:20:43,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:20:43,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:20:43,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:20:43,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:20:43,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:20:43,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:20:43,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:20:43,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:20:43,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:20:43,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:20:43,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:20:43,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:20:43,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:20:43,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:20:43,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:20:43,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:20:43,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:20:43,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:20:43,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:20:43,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:20:43,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:20:43,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:20:43,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:20:43,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:20:43,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:20:43,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:20:43,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:20:43,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:20:43,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:20:43,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:20:43,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:20:43,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:20:43,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:20:43,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:20:43,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:20:43,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:20:43,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:20:43,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:20:43,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:20:43,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:20:43,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:20:43,238 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:20:43,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:20:43,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:20:43,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:20:43,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:20:43,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:20:43,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:20:43,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:20:43,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:20:43,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:20:43,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:20:43,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:20:43,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:20:43,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:20:43,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:20:43,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:20:43,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:20:43,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:20:43,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:20:43,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:20:43,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:20:43,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 [2021-12-15 11:20:43,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:20:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:20:43,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:20:43,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:20:43,426 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:20:43,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-15 11:20:43,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec2b554/7079137c29c14aa5a23e58b2f28e9b19/FLAGd0f8783a9 [2021-12-15 11:20:44,061 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:20:44,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-15 11:20:44,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec2b554/7079137c29c14aa5a23e58b2f28e9b19/FLAGd0f8783a9 [2021-12-15 11:20:44,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec2b554/7079137c29c14aa5a23e58b2f28e9b19 [2021-12-15 11:20:44,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:20:44,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:20:44,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:20:44,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:20:44,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:20:44,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:20:44" (1/1) ... [2021-12-15 11:20:44,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a40fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:44, skipping insertion in model container [2021-12-15 11:20:44,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:20:44" (1/1) ... [2021-12-15 11:20:44,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:20:44,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:20:44,588 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.2-2.c[2215,2228] [2021-12-15 11:20:45,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:20:45,213 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:20:45,224 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.2-2.c[2215,2228] [2021-12-15 11:20:45,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:20:45,609 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:20:45,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45 WrapperNode [2021-12-15 11:20:45,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:20:45,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:20:45,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:20:45,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:20:45,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:45,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,142 INFO L137 Inliner]: procedures = 101, calls = 6644, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 21123 [2021-12-15 11:20:46,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:20:46,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:20:46,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:20:46,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:20:46,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:20:46,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:20:46,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:20:46,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:20:46,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (1/1) ... [2021-12-15 11:20:46,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:20:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:20:46,921 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) [2021-12-15 11:20:46,925 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 [2021-12-15 11:20:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-15 11:20:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-15 11:20:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-15 11:20:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-15 11:20:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 11:20:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-15 11:20:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-15 11:20:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-15 11:20:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-15 11:20:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-15 11:20:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-15 11:20:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-15 11:20:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-15 11:20:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-15 11:20:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-15 11:20:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-15 11:20:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-15 11:20:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-15 11:20:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-15 11:20:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 11:20:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-15 11:20:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-15 11:20:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-15 11:20:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-15 11:20:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-15 11:20:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-15 11:20:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-15 11:20:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-15 11:20:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-15 11:20:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-15 11:20:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-15 11:20:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-15 11:20:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-15 11:20:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-15 11:20:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:20:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-15 11:20:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-15 11:20:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-15 11:20:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-15 11:20:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-15 11:20:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-15 11:20:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-15 11:20:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-15 11:20:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-15 11:20:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-15 11:20:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-15 11:20:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-15 11:20:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-15 11:20:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-15 11:20:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-15 11:20:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-15 11:20:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-15 11:20:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-15 11:20:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-15 11:20:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-15 11:20:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-15 11:20:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-15 11:20:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-15 11:20:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-15 11:20:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-15 11:20:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-15 11:20:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-15 11:20:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-15 11:20:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-15 11:20:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-15 11:20:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-15 11:20:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-15 11:20:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-15 11:20:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-15 11:20:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-15 11:20:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-15 11:20:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-15 11:20:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-15 11:20:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-15 11:20:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-15 11:20:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-15 11:20:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-15 11:20:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-15 11:20:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-15 11:20:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-15 11:20:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-15 11:20:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-15 11:20:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-15 11:20:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-15 11:20:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-15 11:20:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-15 11:20:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-15 11:20:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-15 11:20:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-15 11:20:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:20:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-15 11:20:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-15 11:20:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:20:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:20:47,797 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:20:47,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:21:29,544 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:21:29,575 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:21:29,575 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 11:21:29,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:21:29 BoogieIcfgContainer [2021-12-15 11:21:29,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:21:29,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:21:29,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:21:29,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:21:29,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:20:44" (1/3) ... [2021-12-15 11:21:29,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ba9a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:21:29, skipping insertion in model container [2021-12-15 11:21:29,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:20:45" (2/3) ... [2021-12-15 11:21:29,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ba9a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:21:29, skipping insertion in model container [2021-12-15 11:21:29,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:21:29" (3/3) ... [2021-12-15 11:21:29,589 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2021-12-15 11:21:29,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:21:29,593 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:21:29,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:21:29,650 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 [2021-12-15 11:21:29,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:21:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 4816 states, 4428 states have (on average 1.5474254742547426) internal successors, (6852), 4452 states have internal predecessors, (6852), 342 states have call successors, (342), 44 states have call predecessors, (342), 44 states have return successors, (342), 332 states have call predecessors, (342), 342 states have call successors, (342) [2021-12-15 11:21:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-15 11:21:29,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:21:29,835 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] [2021-12-15 11:21:29,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:21:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:21:29,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1566952982, now seen corresponding path program 1 times [2021-12-15 11:21:29,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:21:29,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351404264] [2021-12-15 11:21:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:21:29,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms