./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.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_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/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_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/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_178478d3-1c1f-46c9-8291-0e5931a576f4/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 78258e8e1e0a9153dcadc40b279c1b949f89012dbb716c6b1987705528a7bf55 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:42:26,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:42:26,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:42:26,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:42:26,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:42:26,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:42:26,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:42:26,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:42:26,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:42:26,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:42:26,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:42:26,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:42:26,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:42:26,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:42:26,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:42:26,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:42:26,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:42:26,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:42:26,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:42:26,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:42:26,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:42:26,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:42:26,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:42:26,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:42:26,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:42:26,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:42:26,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:42:26,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:42:26,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:42:26,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:42:26,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:42:26,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:42:26,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:42:26,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:42:26,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:42:26,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:42:26,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:42:26,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:42:26,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:42:26,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:42:26,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:42:26,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:42:26,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:42:26,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:42:26,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:42:26,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:42:26,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:42:26,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:42:26,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:42:26,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:42:26,850 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:42:26,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:42:26,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:42:26,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:42:26,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:42:26,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:42:26,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:42:26,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:42:26,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:42:26,854 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_178478d3-1c1f-46c9-8291-0e5931a576f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78258e8e1e0a9153dcadc40b279c1b949f89012dbb716c6b1987705528a7bf55 [2021-12-07 01:42:27,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:42:27,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:42:27,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:42:27,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:42:27,052 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:42:27,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c [2021-12-07 01:42:27,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/data/e8c1a4418/97b86f4e22c44ccd9a48c9e450b20bcb/FLAG1d01e85d6 [2021-12-07 01:42:27,708 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:42:27,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c [2021-12-07 01:42:27,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/data/e8c1a4418/97b86f4e22c44ccd9a48c9e450b20bcb/FLAG1d01e85d6 [2021-12-07 01:42:28,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/data/e8c1a4418/97b86f4e22c44ccd9a48c9e450b20bcb [2021-12-07 01:42:28,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:42:28,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:42:28,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:42:28,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:42:28,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:42:28,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:42:28" (1/1) ... [2021-12-07 01:42:28,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6814bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:28, skipping insertion in model container [2021-12-07 01:42:28,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:42:28" (1/1) ... [2021-12-07 01:42:28,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:42:28,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:42:28,481 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_178478d3-1c1f-46c9-8291-0e5931a576f4/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c[2267,2280] [2021-12-07 01:42:29,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:42:29,217 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:42:29,227 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_178478d3-1c1f-46c9-8291-0e5931a576f4/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c[2267,2280] [2021-12-07 01:42:29,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:42:29,746 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:42:29,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29 WrapperNode [2021-12-07 01:42:29,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:42:29,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:42:29,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:42:29,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:42:29,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:29,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:30,480 INFO L137 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 39268 [2021-12-07 01:42:30,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:42:30,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:42:30,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:42:30,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:42:30,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:30,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:30,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:30,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:31,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:31,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:31,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:31,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:42:31,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:42:31,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:42:31,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:42:31,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (1/1) ... [2021-12-07 01:42:31,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:42:31,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:42:31,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:42:31,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178478d3-1c1f-46c9-8291-0e5931a576f4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:42:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-07 01:42:31,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-07 01:42:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-07 01:42:31,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-07 01:42:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:42:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-07 01:42:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-07 01:42:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-07 01:42:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-07 01:42:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-07 01:42:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-07 01:42:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-07 01:42:31,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-07 01:42:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-07 01:42:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-07 01:42:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-07 01:42:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-07 01:42:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-07 01:42:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-07 01:42:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:42:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-07 01:42:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-07 01:42:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-07 01:42:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-07 01:42:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-07 01:42:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-07 01:42:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-07 01:42:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-07 01:42:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-07 01:42:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-07 01:42:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-07 01:42:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-07 01:42:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-07 01:42:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-07 01:42:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:42:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-07 01:42:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-07 01:42:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-07 01:42:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-07 01:42:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-07 01:42:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-07 01:42:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-07 01:42:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-07 01:42:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-07 01:42:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-07 01:42:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-07 01:42:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-07 01:42:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-07 01:42:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-07 01:42:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-07 01:42:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-07 01:42:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-07 01:42:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-07 01:42:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-07 01:42:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-07 01:42:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-07 01:42:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-07 01:42:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-07 01:42:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-07 01:42:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-07 01:42:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-07 01:42:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-07 01:42:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-07 01:42:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-07 01:42:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-07 01:42:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-07 01:42:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-07 01:42:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-07 01:42:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-07 01:42:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-07 01:42:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-07 01:42:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-07 01:42:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-07 01:42:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-07 01:42:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-07 01:42:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-07 01:42:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-07 01:42:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-07 01:42:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-07 01:42:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-07 01:42:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-07 01:42:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-07 01:42:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-07 01:42:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-07 01:42:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-07 01:42:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-07 01:42:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-07 01:42:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:42:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-07 01:42:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-07 01:42:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:42:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:42:32,279 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:42:32,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:47:07,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:47:07,203 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:47:07,203 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-07 01:47:07,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:47:07 BoogieIcfgContainer [2021-12-07 01:47:07,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:47:07,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:47:07,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:47:07,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:47:07,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:42:28" (1/3) ... [2021-12-07 01:47:07,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cb2c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:47:07, skipping insertion in model container [2021-12-07 01:47:07,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:29" (2/3) ... [2021-12-07 01:47:07,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cb2c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:47:07, skipping insertion in model container [2021-12-07 01:47:07,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:47:07" (3/3) ... [2021-12-07 01:47:07,216 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-2.c [2021-12-07 01:47:07,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:47:07,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:47:07,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:47:07,283 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 [2021-12-07 01:47:07,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:47:07,387 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) [2021-12-07 01:47:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3346 [2021-12-07 01:47:07,604 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:47:07,606 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] [2021-12-07 01:47:07,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:47:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:47:07,612 INFO L85 PathProgramCache]: Analyzing trace with hash -391326380, now seen corresponding path program 1 times [2021-12-07 01:47:07,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:47:07,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855980334] [2021-12-07 01:47:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:47:07,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms