./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef92e2cd363e9cbada9057da9935ca7963cc6741d3474fe25a5d63d0a08b0a5f --- 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-dbf71c6-m [2022-10-17 16:49:30,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:30,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:30,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:30,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:30,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:30,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:30,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:30,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:30,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:30,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:30,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:30,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:30,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:30,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:30,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:30,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:30,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:30,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:30,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:30,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:30,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:30,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:30,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:30,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:30,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:30,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:30,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:30,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:30,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:30,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:30,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:30,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:30,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:30,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:30,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:30,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:30,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:30,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:30,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:30,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:30,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:30,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:30,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:30,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:30,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:30,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:30,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:30,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:30,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:30,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:30,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:30,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:30,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:30,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:30,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:30,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:30,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:30,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:30,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:30,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:30,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:30,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:30,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:30,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:30,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:30,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:30,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:30,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:30,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:30,278 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef92e2cd363e9cbada9057da9935ca7963cc6741d3474fe25a5d63d0a08b0a5f [2022-10-17 16:49:30,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:30,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:30,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:30,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:30,580 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:30,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:49:30,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/data/47b3d63df/f453ed165a014b29aa5be704fb9dbf21/FLAG846bddc66 [2022-10-17 16:49:31,231 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:31,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:49:31,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/data/47b3d63df/f453ed165a014b29aa5be704fb9dbf21/FLAG846bddc66 [2022-10-17 16:49:31,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/data/47b3d63df/f453ed165a014b29aa5be704fb9dbf21 [2022-10-17 16:49:31,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:31,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:31,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:31,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:31,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:31,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:31" (1/1) ... [2022-10-17 16:49:31,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5d7bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:31, skipping insertion in model container [2022-10-17 16:49:31,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:31" (1/1) ... [2022-10-17 16:49:31,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:31,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:32,119 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15169,15182] [2022-10-17 16:49:32,141 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15816,15829] [2022-10-17 16:49:32,175 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17200,17213] [2022-10-17 16:49:32,212 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18176,18189] [2022-10-17 16:49:32,280 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27541,27554] [2022-10-17 16:49:32,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:32,355 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:32,609 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15169,15182] [2022-10-17 16:49:32,629 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15816,15829] [2022-10-17 16:49:32,665 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17200,17213] [2022-10-17 16:49:32,684 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18176,18189] [2022-10-17 16:49:32,797 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_661779a4-d1d3-4fd3-a204-12f990ca62a0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27541,27554] [2022-10-17 16:49:32,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:32,868 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:32,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32 WrapperNode [2022-10-17 16:49:32,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:32,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:32,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:32,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:32,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:32,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:32,977 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1666 [2022-10-17 16:49:32,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:32,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:32,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:32,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:32,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:32,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:33,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:33,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:33,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:33,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:32" (1/1) ... [2022-10-17 16:49:33,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:33,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:33,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:33,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661779a4-d1d3-4fd3-a204-12f990ca62a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:33,340 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:33,342 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:35,030 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:35,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:35,587 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:49:35,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:35 BoogieIcfgContainer [2022-10-17 16:49:35,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:35,593 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:35,593 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:35,603 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:35,604 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 301 states and 536 transitions. [2022-10-17 16:49:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 536 transitions. [2022-10-17 16:49:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:49:35,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 375 states and 696 transitions. [2022-10-17 16:49:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 696 transitions. [2022-10-17 16:49:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:49:37,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 385 states and 718 transitions. [2022-10-17 16:49:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 718 transitions. [2022-10-17 16:49:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:49:39,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 396 states and 744 transitions. [2022-10-17 16:49:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 744 transitions. [2022-10-17 16:49:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:49:40,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 403 states and 763 transitions. [2022-10-17 16:49:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 763 transitions. [2022-10-17 16:49:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:49:41,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 404 states and 765 transitions. [2022-10-17 16:49:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 765 transitions. [2022-10-17 16:49:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:49:41,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 406 states and 772 transitions. [2022-10-17 16:49:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 772 transitions. [2022-10-17 16:49:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 16:49:43,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 406 states and 767 transitions. [2022-10-17 16:49:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 767 transitions. [2022-10-17 16:49:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:43,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 451 states and 861 transitions. [2022-10-17 16:49:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 861 transitions. [2022-10-17 16:49:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:45,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:45,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 494 states and 950 transitions. [2022-10-17 16:49:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 950 transitions. [2022-10-17 16:49:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:45,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:45,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 492 states and 945 transitions. [2022-10-17 16:49:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 945 transitions. [2022-10-17 16:49:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:45,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 536 states and 1037 transitions. [2022-10-17 16:49:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1037 transitions. [2022-10-17 16:49:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:47,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 579 states and 1126 transitions. [2022-10-17 16:49:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1126 transitions. [2022-10-17 16:49:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:48,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 578 states and 1121 transitions. [2022-10-17 16:49:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1121 transitions. [2022-10-17 16:49:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:49,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 622 states and 1216 transitions. [2022-10-17 16:49:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1216 transitions. [2022-10-17 16:49:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:50,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 665 states and 1303 transitions. [2022-10-17 16:49:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1303 transitions. [2022-10-17 16:49:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:52,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 664 states and 1297 transitions. [2022-10-17 16:49:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1297 transitions. [2022-10-17 16:49:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:52,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 667 states and 1306 transitions. [2022-10-17 16:49:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1306 transitions. [2022-10-17 16:49:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:58,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 671 states and 1314 transitions. [2022-10-17 16:49:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1314 transitions. [2022-10-17 16:49:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:49:59,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat