./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/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_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/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_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/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 b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:03:36,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:03:36,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:03:36,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:03:36,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:03:36,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:03:36,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:03:36,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:03:36,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:03:36,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:03:36,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:03:36,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:03:36,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:03:36,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:03:36,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:03:36,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:03:36,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:03:36,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:03:36,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:03:36,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:03:36,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:03:36,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:03:36,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:03:36,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:03:36,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:03:36,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:03:36,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:03:36,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:03:36,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:03:36,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:03:36,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:03:36,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:03:36,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:03:36,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:03:36,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:03:36,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:03:36,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:03:36,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:03:36,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:03:36,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:03:36,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:03:36,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:03:36,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:03:36,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:03:36,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:03:36,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:03:36,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:03:36,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:03:36,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:03:36,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:03:36,183 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:03:36,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:03:36,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:03:36,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:03:36,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:03:36,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:03:36,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:03:36,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:03:36,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:03:36,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:03:36,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:03:36,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:03:36,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:03:36,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:03:36,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:03:36,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:03:36,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:03:36,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:03:36,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:03:36,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:03:36,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:03:36,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:03:36,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:03:36,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:03:36,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:03:36,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:03:36,188 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_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 [2021-12-06 23:03:36,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:03:36,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:03:36,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:03:36,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:03:36,470 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:03:36,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-06 23:03:36,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/data/080dee25a/59d649d2b8df46e593753b137317eaf7/FLAG3988f0e4a [2021-12-06 23:03:37,143 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:03:37,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-06 23:03:37,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/data/080dee25a/59d649d2b8df46e593753b137317eaf7/FLAG3988f0e4a [2021-12-06 23:03:37,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/data/080dee25a/59d649d2b8df46e593753b137317eaf7 [2021-12-06 23:03:37,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:03:37,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:03:37,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:03:37,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:03:37,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:03:37,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:03:37" (1/1) ... [2021-12-06 23:03:37,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8032c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:37, skipping insertion in model container [2021-12-06 23:03:37,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:03:37" (1/1) ... [2021-12-06 23:03:37,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:03:37,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:03:37,654 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_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2021-12-06 23:03:38,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:03:38,412 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:03:38,426 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_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2021-12-06 23:03:38,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:03:38,909 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:03:38,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38 WrapperNode [2021-12-06 23:03:38,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:03:38,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:03:38,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:03:38,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:03:38,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,494 INFO L137 Inliner]: procedures = 101, calls = 6644, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 21123 [2021-12-06 23:03:39,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:03:39,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:03:39,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:03:39,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:03:39,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:39,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:40,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:40,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:03:40,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:03:40,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:03:40,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:03:40,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (1/1) ... [2021-12-06 23:03:40,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:03:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:03:40,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:03:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec7b5e-bb72-4530-891b-0fe2e4fcb552/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:03:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-06 23:03:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-06 23:03:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-06 23:03:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-06 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 23:03:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 23:03:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-06 23:03:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-06 23:03:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-06 23:03:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-06 23:03:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-06 23:03:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-06 23:03:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-06 23:03:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-06 23:03:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 23:03:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 23:03:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:03:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 23:03:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 23:03:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-06 23:03:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-06 23:03:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-06 23:03:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-06 23:03:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-06 23:03:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-06 23:03:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-06 23:03:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-06 23:03:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-06 23:03:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-06 23:03:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 23:03:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 23:03:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:03:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 23:03:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 23:03:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-06 23:03:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-06 23:03:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-06 23:03:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-06 23:03:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-06 23:03:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-06 23:03:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 23:03:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 23:03:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-06 23:03:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-06 23:03:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 23:03:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 23:03:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-06 23:03:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-06 23:03:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-06 23:03:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-06 23:03:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-06 23:03:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-06 23:03:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-06 23:03:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-06 23:03:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-06 23:03:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-06 23:03:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-06 23:03:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-06 23:03:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 23:03:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 23:03:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-06 23:03:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-06 23:03:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-06 23:03:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-06 23:03:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-06 23:03:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-06 23:03:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-06 23:03:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-06 23:03:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-06 23:03:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-06 23:03:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-06 23:03:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-06 23:03:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-06 23:03:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-06 23:03:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-06 23:03:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-06 23:03:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 23:03:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 23:03:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-06 23:03:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-06 23:03:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-06 23:03:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-06 23:03:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-06 23:03:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-06 23:03:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-06 23:03:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-06 23:03:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:03:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-06 23:03:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-06 23:03:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:03:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:03:41,316 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:03:41,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:04:49,240 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:04:49,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:04:49,290 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 23:04:49,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:49 BoogieIcfgContainer [2021-12-06 23:04:49,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:04:49,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:04:49,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:04:49,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:04:49,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:03:37" (1/3) ... [2021-12-06 23:04:49,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d37670a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:04:49, skipping insertion in model container [2021-12-06 23:04:49,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:38" (2/3) ... [2021-12-06 23:04:49,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d37670a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:04:49, skipping insertion in model container [2021-12-06 23:04:49,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:49" (3/3) ... [2021-12-06 23:04:49,306 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2021-12-06 23:04:49,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:04:49,312 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:04:49,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:04:49,392 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 23:04:49,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:04:49,484 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) [2021-12-06 23:04:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-06 23:04:49,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:04:49,667 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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23:04:49,668 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:04:49,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:49,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1566952982, now seen corresponding path program 1 times [2021-12-06 23:04:49,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:49,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090781536] [2021-12-06 23:04:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:49,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms