./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8 --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 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:35:00,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:35:00,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:35:00,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:35:00,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:35:00,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:35:00,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:35:00,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:35:00,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:35:00,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:35:00,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:35:00,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:35:00,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:35:00,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:35:00,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:35:00,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:35:00,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:35:00,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:35:00,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:35:00,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:35:00,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:35:00,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:35:00,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:35:00,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:35:00,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:35:00,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:35:00,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:35:00,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:35:00,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:35:00,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:35:00,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:35:00,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:35:00,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:35:00,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:35:00,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:35:00,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:35:00,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:35:00,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:35:00,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:35:00,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:35:00,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:35:00,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 18:35:00,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:35:00,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:35:00,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:35:00,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:35:00,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:35:00,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:35:00,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:35:00,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:35:00,576 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:35:00,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:35:00,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:35:00,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:35:00,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:35:00,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:35:00,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:35:00,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:35:00,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:35:00,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:35:00,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:35:00,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:35:00,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:35:00,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:35:00,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:35:00,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:35:00,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:35:00,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:35:00,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:35:00,580 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:35:00,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:35:00,580 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:35:00,580 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2022-12-13 18:35:00,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:35:00,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:35:00,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:35:00,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:35:00,786 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:35:00,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-12-13 18:35:03,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:35:03,601 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:35:03,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-12-13 18:35:03,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/data/929da3664/8aadc0f6b4824e9cada007172965779b/FLAGe86a6a512 [2022-12-13 18:35:03,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/data/929da3664/8aadc0f6b4824e9cada007172965779b [2022-12-13 18:35:03,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:35:03,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:35:03,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:35:03,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:35:03,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:35:03,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:35:03" (1/1) ... [2022-12-13 18:35:03,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60912156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:03, skipping insertion in model container [2022-12-13 18:35:03,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:35:03" (1/1) ... [2022-12-13 18:35:03,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:35:03,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:35:04,145 WARN L237 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_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-12-13 18:35:04,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:35:04,680 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:35:04,689 WARN L237 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_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-12-13 18:35:04,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:35:04,980 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:35:04,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04 WrapperNode [2022-12-13 18:35:04,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:35:04,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:35:04,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:35:04,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:35:04,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,388 INFO L138 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21156 [2022-12-13 18:35:05,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:35:05,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:35:05,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:35:05,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:35:05,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:35:05,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:35:05,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:35:05,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:35:05,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (1/1) ... [2022-12-13 18:35:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:35:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:35:06,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:35:06,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07806dbd-6afb-4fdc-bdb1-01c3fb15af95/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:35:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-12-13 18:35:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-12-13 18:35:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-12-13 18:35:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-12-13 18:35:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:35:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 18:35:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-12-13 18:35:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 18:35:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 18:35:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-12-13 18:35:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-12-13 18:35:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-12-13 18:35:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-12-13 18:35:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-12-13 18:35:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-12-13 18:35:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-12-13 18:35:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-12-13 18:35:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-13 18:35:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-12-13 18:35:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-12-13 18:35:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-12-13 18:35:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-12-13 18:35:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-12-13 18:35:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-12-13 18:35:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-12-13 18:35:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-12-13 18:35:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-12-13 18:35:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:35:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:35:06,772 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:35:06,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:36:12,147 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:36:12,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:36:12,167 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 18:36:12,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:36:12 BoogieIcfgContainer [2022-12-13 18:36:12,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:36:12,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:36:12,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:36:12,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:36:12,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:35:03" (1/3) ... [2022-12-13 18:36:12,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeca17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:36:12, skipping insertion in model container [2022-12-13 18:36:12,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:35:04" (2/3) ... [2022-12-13 18:36:12,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeca17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:36:12, skipping insertion in model container [2022-12-13 18:36:12,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:36:12" (3/3) ... [2022-12-13 18:36:12,178 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2022-12-13 18:36:12,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:36:12,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:36:12,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:36:12,278 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8390f74, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:36:12,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:36:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 4809 states, 4424 states have (on average 1.5476943942133816) internal successors, (6847), 4448 states have internal predecessors, (6847), 340 states have call successors, (340), 43 states have call predecessors, (340), 43 states have return successors, (340), 330 states have call predecessors, (340), 340 states have call successors, (340) [2022-12-13 18:36:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-12-13 18:36:12,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:36:12,411 INFO L195 NwaCegarLoop]: 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, 1, 1, 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INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:36:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash -297338650, now seen corresponding path program 1 times [2022-12-13 18:36:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:12,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507557979] [2022-12-13 18:36:12,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms