./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/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 a41685cf358ec0b2e96e6f7dd9c345adfadc94b6fab0c764984a2fa5efe36e67 --- 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 17:03:54,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:54,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:54,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:54,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:54,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:54,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:54,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:54,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:54,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:54,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:54,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:54,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:54,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:54,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:54,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:54,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:54,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:54,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:54,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:54,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:54,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:54,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:54,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:54,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:54,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:54,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:54,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:54,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:54,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:54,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:54,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:54,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:54,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:54,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:54,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:54,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:54,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:54,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:54,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:54,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:54,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:54,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:54,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:54,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:54,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:54,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:54,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:54,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:54,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:54,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:54,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:54,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:54,283 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:54,284 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:54,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:54,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:54,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:54,284 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:54,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:54,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:54,285 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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a41685cf358ec0b2e96e6f7dd9c345adfadc94b6fab0c764984a2fa5efe36e67 [2022-10-17 17:03:54,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:54,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:54,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:54,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:54,576 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:54,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c [2022-10-17 17:03:54,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/data/cec4c990e/9f044840c32b4745b2bb5317eb50d8ac/FLAGfdb6e9976 [2022-10-17 17:03:55,570 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:55,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c [2022-10-17 17:03:55,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/data/cec4c990e/9f044840c32b4745b2bb5317eb50d8ac/FLAGfdb6e9976 [2022-10-17 17:03:55,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/data/cec4c990e/9f044840c32b4745b2bb5317eb50d8ac [2022-10-17 17:03:55,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:55,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:55,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:55,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:55,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:55" (1/1) ... [2022-10-17 17:03:55,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3b000a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:55, skipping insertion in model container [2022-10-17 17:03:56,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:55" (1/1) ... [2022-10-17 17:03:56,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:56,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:58,712 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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c[377340,377353] [2022-10-17 17:03:58,770 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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c[383339,383352] [2022-10-17 17:03:59,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:59,026 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:00,253 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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c[377340,377353] [2022-10-17 17:04:00,268 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_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/sv-benchmarks/c/combinations/Problem05_label44+token_ring.04.cil-1.c[383339,383352] [2022-10-17 17:04:00,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:00,371 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:00,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00 WrapperNode [2022-10-17 17:04:00,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:00,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:00,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:00,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:00,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:00,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:00,987 INFO L138 Inliner]: procedures = 52, calls = 53, calls flagged for inlining = 30, calls inlined = 30, statements flattened = 12735 [2022-10-17 17:04:00,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:00,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:00,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:00,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:00,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:00,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:01,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:01,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:01,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:01,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:01,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:01,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:01,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61523e23-9262-4ed1-bdc2-e4cbd54a7c8c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 17:04:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 17:04:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 17:04:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 17:04:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 17:04:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 17:04:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 17:04:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 17:04:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 17:04:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 17:04:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 17:04:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 17:04:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:01,910 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:01,912 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:10,851 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:13,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:13,388 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 17:04:13,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:13 BoogieIcfgContainer [2022-10-17 17:04:13,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:13,394 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:13,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:13,404 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:13,405 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1743 states and 3421 transitions. [2022-10-17 17:04:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 3421 transitions. [2022-10-17 17:04:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:13,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,081 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 17:04:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1757 states and 3447 transitions. [2022-10-17 17:04:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 3447 transitions. [2022-10-17 17:04:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:14,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,392 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 17:04:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1758 states and 3447 transitions. [2022-10-17 17:04:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3447 transitions. [2022-10-17 17:04:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:14,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,567 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 17:04:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1759 states and 3447 transitions. [2022-10-17 17:04:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3447 transitions. [2022-10-17 17:04:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:14,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,685 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 17:04:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1760 states and 3447 transitions. [2022-10-17 17:04:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3447 transitions. [2022-10-17 17:04:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:14,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,796 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 17:04:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1761 states and 3447 transitions. [2022-10-17 17:04:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3447 transitions. [2022-10-17 17:04:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:14,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,994 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 17:04:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1770 states and 3464 transitions. [2022-10-17 17:04:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 3464 transitions. [2022-10-17 17:04:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:15,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,265 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 17:04:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1771 states and 3464 transitions. [2022-10-17 17:04:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 3464 transitions. [2022-10-17 17:04:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:15,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,368 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 17:04:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1772 states and 3464 transitions. [2022-10-17 17:04:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 3464 transitions. [2022-10-17 17:04:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:15,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,478 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 17:04:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1777 states and 3475 transitions. [2022-10-17 17:04:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3475 transitions. [2022-10-17 17:04:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:15,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,763 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 17:04:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1778 states and 3475 transitions. [2022-10-17 17:04:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 3475 transitions. [2022-10-17 17:04:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:15,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,834 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 17:04:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 1786 states and 3490 transitions. [2022-10-17 17:04:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3490 transitions. [2022-10-17 17:04:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:15,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 1805 states and 3529 transitions. [2022-10-17 17:04:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 3529 transitions. [2022-10-17 17:04:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:17,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 1807 states and 3534 transitions. [2022-10-17 17:04:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 3534 transitions. [2022-10-17 17:04:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:17,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 1818 states and 3557 transitions. [2022-10-17 17:04:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 3557 transitions. [2022-10-17 17:04:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:19,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:19,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 1819 states and 3558 transitions. [2022-10-17 17:04:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3558 transitions. [2022-10-17 17:04:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:19,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 1820 states and 3559 transitions. [2022-10-17 17:04:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 3559 transitions. [2022-10-17 17:04:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:19,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 1841 states and 3605 transitions. [2022-10-17 17:04:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3605 transitions. [2022-10-17 17:04:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:22,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:22,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:04:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 1843 states and 3610 transitions. [2022-10-17 17:04:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3610 transitions. [2022-10-17 17:04:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:23,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1844 states and 3611 transitions. [2022-10-17 17:04:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 3611 transitions. [2022-10-17 17:04:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:23,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat