./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/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_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/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_97290d06-b2dd-48af-9896-03f533fe411c/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 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:41:28,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:41:28,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:41:28,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:41:28,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:41:28,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:41:28,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:41:28,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:41:28,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:41:28,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:41:28,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:41:28,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:41:28,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:41:28,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:41:28,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:41:28,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:41:28,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:41:28,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:41:28,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:41:28,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:41:28,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:41:28,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:41:28,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:41:28,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:41:28,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:41:28,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:41:28,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:41:28,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:41:28,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:41:28,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:41:28,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:41:28,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:41:28,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:41:28,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:41:28,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:41:28,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:41:28,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:41:28,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:41:28,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:41:28,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:41:28,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:41:28,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:41:28,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:41:28,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:41:28,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:41:28,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:41:28,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:41:28,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:41:28,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:41:28,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:41:28,147 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:41:28,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:41:28,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:41:28,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:41:28,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:41:28,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:41:28,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:41:28,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:41:28,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:41:28,150 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_97290d06-b2dd-48af-9896-03f533fe411c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2021-12-06 17:41:28,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:41:28,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:41:28,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:41:28,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:41:28,351 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:41:28,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-06 17:41:28,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/data/a149a1703/b62551875db94da79da4a123a3aecd6e/FLAG5bc66b1fe [2021-12-06 17:41:28,987 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:41:28,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-06 17:41:29,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/data/a149a1703/b62551875db94da79da4a123a3aecd6e/FLAG5bc66b1fe [2021-12-06 17:41:29,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/data/a149a1703/b62551875db94da79da4a123a3aecd6e [2021-12-06 17:41:29,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:41:29,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:41:29,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:41:29,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:41:29,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:41:29,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:41:29" (1/1) ... [2021-12-06 17:41:29,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f9964f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:29, skipping insertion in model container [2021-12-06 17:41:29,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:41:29" (1/1) ... [2021-12-06 17:41:29,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:41:29,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:41:29,644 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_97290d06-b2dd-48af-9896-03f533fe411c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-12-06 17:41:30,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:41:30,154 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:41:30,164 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_97290d06-b2dd-48af-9896-03f533fe411c/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-12-06 17:41:30,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:41:30,474 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:41:30,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30 WrapperNode [2021-12-06 17:41:30,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:41:30,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:41:30,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:41:30,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:41:30,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:30,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:30,941 INFO L137 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21149 [2021-12-06 17:41:30,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:41:30,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:41:30,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:41:30,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:41:30,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:30,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:41:31,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:41:31,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:41:31,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:41:31,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (1/1) ... [2021-12-06 17:41:31,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:41:31,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:41:31,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:41:31,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97290d06-b2dd-48af-9896-03f533fe411c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:41:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-06 17:41:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-06 17:41:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-06 17:41:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-06 17:41:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:41:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 17:41:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 17:41:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 17:41:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 17:41:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-06 17:41:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 17:41:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-06 17:41:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 17:41:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-06 17:41:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-06 17:41:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-06 17:41:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:41:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:41:32,232 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:41:32,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:42:21,690 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:42:21,717 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:42:21,717 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 17:42:21,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:21 BoogieIcfgContainer [2021-12-06 17:42:21,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:42:21,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:42:21,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:42:21,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:42:21,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:41:29" (1/3) ... [2021-12-06 17:42:21,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753958fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:42:21, skipping insertion in model container [2021-12-06 17:42:21,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:30" (2/3) ... [2021-12-06 17:42:21,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753958fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:42:21, skipping insertion in model container [2021-12-06 17:42:21,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:21" (3/3) ... [2021-12-06 17:42:21,730 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2021-12-06 17:42:21,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:42:21,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:42:21,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:42:21,809 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 17:42:21,810 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:42:21,890 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) [2021-12-06 17:42:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-06 17:42:22,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:42:22,047 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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17:42:22,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:42:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:42:22,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1736524066, now seen corresponding path program 1 times [2021-12-06 17:42:22,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:42:22,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827565939] [2021-12-06 17:42:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:42:22,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms