./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/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 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:10:13,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:10:13,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:10:13,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:10:13,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:10:13,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:10:13,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:10:13,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:10:13,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:10:13,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:10:13,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:10:13,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:10:13,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:10:13,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:10:13,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:10:13,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:10:13,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:10:13,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:10:13,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:10:13,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:10:13,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:10:13,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:10:13,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:10:13,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:10:13,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:10:13,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:10:13,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:10:13,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:10:13,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:10:13,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:10:13,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:10:13,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:10:13,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:10:13,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:10:13,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:10:13,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:10:13,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:10:13,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:10:13,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:10:13,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:10:13,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:10:13,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:10:13,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:10:13,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:10:13,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:10:13,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:10:13,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:10:13,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:10:13,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:10:13,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:10:13,806 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:10:13,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:10:13,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:10:13,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:10:13,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:10:13,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:10:13,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:10:13,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:10:13,809 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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 [2021-12-06 22:10:14,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:10:14,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:10:14,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:10:14,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:10:14,025 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:10:14,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-06 22:10:14,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/data/316f1f770/b030ebd886094aaa9f064b11b608bc6f/FLAGdefb2e9ad [2021-12-06 22:10:14,823 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:10:14,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-06 22:10:14,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/data/316f1f770/b030ebd886094aaa9f064b11b608bc6f/FLAGdefb2e9ad [2021-12-06 22:10:15,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/data/316f1f770/b030ebd886094aaa9f064b11b608bc6f [2021-12-06 22:10:15,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:10:15,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:10:15,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:10:15,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:10:15,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:10:15,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:10:15" (1/1) ... [2021-12-06 22:10:15,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f5e2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:15, skipping insertion in model container [2021-12-06 22:10:15,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:10:15" (1/1) ... [2021-12-06 22:10:15,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:10:15,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:10:15,549 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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-12-06 22:10:16,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:10:16,552 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:10:16,562 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_0d1e09b2-4338-450e-8d9f-44cdccda4e21/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c[2309,2322] [2021-12-06 22:10:17,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:10:17,160 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:10:17,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17 WrapperNode [2021-12-06 22:10:17,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:10:17,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:10:17,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:10:17,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:10:17,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:17,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,127 INFO L137 Inliner]: procedures = 101, calls = 18605, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 62908 [2021-12-06 22:10:18,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:10:18,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:10:18,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:10:18,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:10:18,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:18,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:19,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:19,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:10:19,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:10:19,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:10:19,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:10:19,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (1/1) ... [2021-12-06 22:10:19,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:10:19,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:10:19,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:10:19,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1e09b2-4338-450e-8d9f-44cdccda4e21/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:10:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-06 22:10:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-06 22:10:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-06 22:10:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-06 22:10:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:10:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 22:10:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-06 22:10:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 22:10:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 22:10:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-06 22:10:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-06 22:10:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-06 22:10:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-06 22:10:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-06 22:10:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-06 22:10:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-06 22:10:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-06 22:10:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 22:10:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-06 22:10:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:10:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 22:10:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 22:10:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-06 22:10:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-06 22:10:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-06 22:10:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-06 22:10:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-06 22:10:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-06 22:10:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-06 22:10:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-06 22:10:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-06 22:10:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-06 22:10:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 22:10:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 22:10:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:10:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 22:10:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 22:10:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-06 22:10:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-06 22:10:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-06 22:10:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-06 22:10:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-06 22:10:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-06 22:10:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 22:10:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 22:10:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-06 22:10:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-06 22:10:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 22:10:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 22:10:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-06 22:10:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-06 22:10:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-06 22:10:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-06 22:10:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-06 22:10:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-06 22:10:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-06 22:10:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-06 22:10:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-06 22:10:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-06 22:10:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-06 22:10:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-06 22:10:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 22:10:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-06 22:10:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-06 22:10:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-06 22:10:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-06 22:10:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-06 22:10:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-06 22:10:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-06 22:10:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-06 22:10:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-06 22:10:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-06 22:10:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-06 22:10:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-06 22:10:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-06 22:10:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-06 22:10:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-06 22:10:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-06 22:10:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-06 22:10:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 22:10:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-06 22:10:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-06 22:10:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-06 22:10:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-06 22:10:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-06 22:10:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-06 22:10:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-06 22:10:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:10:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-06 22:10:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-06 22:10:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:10:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:10:20,478 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:10:20,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:18:52,384 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:18:52,443 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:18:52,443 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 22:18:52,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:18:52 BoogieIcfgContainer [2021-12-06 22:18:52,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:18:52,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:18:52,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:18:52,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:18:52,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:10:15" (1/3) ... [2021-12-06 22:18:52,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322457e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:18:52, skipping insertion in model container [2021-12-06 22:18:52,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:17" (2/3) ... [2021-12-06 22:18:52,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322457e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:18:52, skipping insertion in model container [2021-12-06 22:18:52,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:18:52" (3/3) ... [2021-12-06 22:18:52,464 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.4.c [2021-12-06 22:18:52,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:18:52,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:18:52,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:18:52,552 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 22:18:52,552 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:18:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 13229 states, 12786 states have (on average 1.583919912404192) internal successors, (20252), 12810 states have internal predecessors, (20252), 398 states have call successors, (398), 43 states have call predecessors, (398), 43 states have return successors, (398), 388 states have call predecessors, (398), 398 states have call successors, (398) [2021-12-06 22:18:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5046 [2021-12-06 22:18:52,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:18:52,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:52,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:18:52,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:52,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1403574320, now seen corresponding path program 1 times [2021-12-06 22:18:52,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:52,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024519818] [2021-12-06 22:18:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:52,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms