./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:21:55,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:21:55,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:21:55,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:21:55,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:21:55,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:21:55,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:21:55,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:21:55,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:21:55,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:21:55,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:21:55,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:21:55,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:21:55,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:21:55,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:21:55,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:21:55,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:21:55,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:21:55,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:21:55,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:21:55,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:21:55,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:21:55,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:21:55,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:21:55,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:21:55,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:21:55,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:21:55,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:21:55,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:21:55,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:21:55,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:21:55,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:21:55,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:21:55,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:21:55,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:21:55,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:21:55,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:21:55,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:21:55,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:21:55,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:21:55,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:21:55,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:21:55,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:21:55,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:21:55,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:21:55,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:21:55,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:21:55,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:21:55,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:21:55,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:21:55,171 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:21:55,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:21:55,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:21:55,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:21:55,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:21:55,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:21:55,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:21:55,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:21:55,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:21:55,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:21:55,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:21:55,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:21:55,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:21:55,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:21:55,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:21:55,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:21:55,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:55,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:21:55,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:21:55,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:21:55,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:21:55,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:21:55,181 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:21:55,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:21:55,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:21:55,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:21:55,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e [2021-12-06 19:21:55,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:21:55,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:21:55,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:21:55,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:21:55,378 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:21:55,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2021-12-06 19:21:55,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/data/68013ef12/fbdb00240b0b44d0a0ea2dd676e18dd8/FLAGbe7546172 [2021-12-06 19:21:56,030 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:21:56,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2021-12-06 19:21:56,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/data/68013ef12/fbdb00240b0b44d0a0ea2dd676e18dd8/FLAGbe7546172 [2021-12-06 19:21:56,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/data/68013ef12/fbdb00240b0b44d0a0ea2dd676e18dd8 [2021-12-06 19:21:56,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:21:56,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:21:56,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:56,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:21:56,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:21:56,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:56" (1/1) ... [2021-12-06 19:21:56,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b13a11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:56, skipping insertion in model container [2021-12-06 19:21:56,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:56" (1/1) ... [2021-12-06 19:21:56,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:21:56,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:21:56,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2021-12-06 19:21:57,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:57,516 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:21:57,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2021-12-06 19:21:58,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:58,050 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:21:58,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58 WrapperNode [2021-12-06 19:21:58,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:58,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:58,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:21:58,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:21:58,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:58,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:58,739 INFO L137 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 39268 [2021-12-06 19:21:58,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:58,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:21:58,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:21:58,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:21:58,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:58,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:58,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:58,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:59,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:59,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:59,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:59,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:21:59,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:21:59,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:21:59,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:21:59,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (1/1) ... [2021-12-06 19:21:59,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:59,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:59,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:21:59,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9a5bb8-876a-41b9-a41f-3dab2b72d17b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:21:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-06 19:21:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-06 19:21:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-06 19:21:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-06 19:21:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-06 19:21:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 19:21:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 19:21:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-06 19:21:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-06 19:21:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-06 19:21:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 19:21:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-06 19:21:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 19:21:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-06 19:21:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-06 19:21:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 19:21:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-06 19:21:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-06 19:21:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-06 19:21:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-06 19:21:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-06 19:21:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:21:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-06 19:21:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-06 19:21:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:21:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:22:00,652 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:22:00,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:24:42,109 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:24:42,141 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:24:42,142 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 19:24:42,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:24:42 BoogieIcfgContainer [2021-12-06 19:24:42,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:24:42,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:24:42,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:24:42,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:24:42,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:21:56" (1/3) ... [2021-12-06 19:24:42,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a685084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:24:42, skipping insertion in model container [2021-12-06 19:24:42,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:58" (2/3) ... [2021-12-06 19:24:42,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a685084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:24:42, skipping insertion in model container [2021-12-06 19:24:42,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:24:42" (3/3) ... [2021-12-06 19:24:42,155 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-1.c [2021-12-06 19:24:42,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:24:42,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:24:42,225 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:24:42,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:24:42,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:24:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 8447 states, 8032 states have (on average 1.5709661354581674) internal successors, (12618), 8056 states have internal predecessors, (12618), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) [2021-12-06 19:24:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3346 [2021-12-06 19:24:42,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:24:42,570 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:24:42,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:24:42,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:24:42,577 INFO L85 PathProgramCache]: Analyzing trace with hash -391326380, now seen corresponding path program 1 times [2021-12-06 19:24:42,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:24:42,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616157963] [2021-12-06 19:24:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:24:42,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms