./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/transmitter.01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/transmitter.01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 ea17b00cb6ed3e05e0ac7861fb220a62ceca6ba97bc4fe703ce3eb0d0ec5cbfe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:58:15,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:58:16,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:58:16,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:58:16,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:58:16,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:58:16,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:58:16,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:58:16,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:58:16,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:58:16,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:58:16,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:58:16,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:58:16,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:58:16,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:58:16,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:58:16,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:58:16,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:58:16,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:58:16,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:58:16,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:58:16,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:58:16,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:58:16,101 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:58:16,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:58:16,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:58:16,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:58:16,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:58:16,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:58:16,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:58:16,103 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:58:16,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:58:16,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:58:16,104 INFO L153 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_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea17b00cb6ed3e05e0ac7861fb220a62ceca6ba97bc4fe703ce3eb0d0ec5cbfe [2023-12-03 04:58:16,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:58:16,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:58:16,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:58:16,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:58:16,362 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:58:16,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/systemc/transmitter.01.cil.c [2023-12-03 04:58:19,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:58:19,242 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:58:19,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/sv-benchmarks/c/systemc/transmitter.01.cil.c [2023-12-03 04:58:19,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/data/0b6a3e921/e31d9306953549dcb251bb1c17dff69d/FLAGa1bda2a56 [2023-12-03 04:58:19,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/data/0b6a3e921/e31d9306953549dcb251bb1c17dff69d [2023-12-03 04:58:19,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:58:19,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:58:19,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:19,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:58:19,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:58:19,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d029a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19, skipping insertion in model container [2023-12-03 04:58:19,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:58:19,453 WARN L240 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_515926cf-3e42-4cad-b02a-1748d7d9893c/sv-benchmarks/c/systemc/transmitter.01.cil.c[706,719] [2023-12-03 04:58:19,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:19,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:58:19,514 WARN L240 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_515926cf-3e42-4cad-b02a-1748d7d9893c/sv-benchmarks/c/systemc/transmitter.01.cil.c[706,719] [2023-12-03 04:58:19,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:19,544 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:58:19,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19 WrapperNode [2023-12-03 04:58:19,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:19,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:19,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:58:19,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:58:19,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,580 INFO L138 Inliner]: procedures = 30, calls = 33, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 212 [2023-12-03 04:58:19,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:19,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:58:19,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:58:19,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:58:19,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:58:19,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:58:19,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:58:19,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:58:19,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:19" (1/1) ... [2023-12-03 04:58:19,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:58:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:58:19,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:58:19,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:58:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:58:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-12-03 04:58:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-12-03 04:58:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-12-03 04:58:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-12-03 04:58:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-12-03 04:58:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-12-03 04:58:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-12-03 04:58:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-12-03 04:58:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:58:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-12-03 04:58:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-12-03 04:58:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:58:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:58:19,759 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:58:19,761 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:58:19,998 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:58:20,098 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:58:20,098 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-03 04:58:20,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:20 BoogieIcfgContainer [2023-12-03 04:58:20,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:58:20,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:58:20,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:58:20,111 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:58:20,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:20" (1/1) ... [2023-12-03 04:58:20,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:58:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2023-12-03 04:58:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2023-12-03 04:58:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:58:20,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:20,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 98 transitions. [2023-12-03 04:58:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-12-03 04:58:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:58:20,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 98 transitions. [2023-12-03 04:58:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 04:58:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:58:20,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:20,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 125 transitions. [2023-12-03 04:58:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 125 transitions. [2023-12-03 04:58:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:58:21,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:21,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 85 states and 130 transitions. [2023-12-03 04:58:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2023-12-03 04:58:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:58:22,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 83 states and 125 transitions. [2023-12-03 04:58:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 125 transitions. [2023-12-03 04:58:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:58:22,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 117 transitions. [2023-12-03 04:58:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-12-03 04:58:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:58:22,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 137 transitions. [2023-12-03 04:58:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2023-12-03 04:58:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:58:22,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 91 states and 135 transitions. [2023-12-03 04:58:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2023-12-03 04:58:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:58:22,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:22,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 99 states and 149 transitions. [2023-12-03 04:58:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2023-12-03 04:58:23,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:58:23,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:23,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 181 transitions. [2023-12-03 04:58:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 181 transitions. [2023-12-03 04:58:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:58:24,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 117 states and 187 transitions. [2023-12-03 04:58:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2023-12-03 04:58:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:58:25,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 115 states and 183 transitions. [2023-12-03 04:58:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2023-12-03 04:58:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:58:25,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:25,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 174 transitions. [2023-12-03 04:58:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 174 transitions. [2023-12-03 04:58:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:58:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:58:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 116 states and 182 transitions. [2023-12-03 04:58:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2023-12-03 04:58:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:58:26,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:58:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 184 transitions. [2023-12-03 04:58:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2023-12-03 04:58:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:58:26,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:58:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 119 states and 184 transitions. [2023-12-03 04:58:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-12-03 04:58:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:58:26,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 128 states and 202 transitions. [2023-12-03 04:58:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 202 transitions. [2023-12-03 04:58:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:58:26,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 134 states and 214 transitions. [2023-12-03 04:58:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2023-12-03 04:58:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:58:27,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:27,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 214 transitions. [2023-12-03 04:58:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-12-03 04:58:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:58:27,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:27,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 141 states and 223 transitions. [2023-12-03 04:58:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 223 transitions. [2023-12-03 04:58:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:58:27,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:27,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 145 states and 228 transitions. [2023-12-03 04:58:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 228 transitions. [2023-12-03 04:58:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:58:27,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:27,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 154 states and 243 transitions. [2023-12-03 04:58:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2023-12-03 04:58:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:58:28,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:28,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:58:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 242 transitions. [2023-12-03 04:58:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2023-12-03 04:58:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:58:28,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 04:58:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 245 transitions. [2023-12-03 04:58:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2023-12-03 04:58:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:58:28,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:58:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 167 states and 268 transitions. [2023-12-03 04:58:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 268 transitions. [2023-12-03 04:58:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:58:29,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 172 states and 279 transitions. [2023-12-03 04:58:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2023-12-03 04:58:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:58:30,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:30,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:58:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 172 states and 277 transitions. [2023-12-03 04:58:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2023-12-03 04:58:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:58:30,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:58:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 170 states and 273 transitions. [2023-12-03 04:58:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 273 transitions. [2023-12-03 04:58:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:58:30,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:30,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 168 states and 264 transitions. [2023-12-03 04:58:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions. [2023-12-03 04:58:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:58:30,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:30,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 04:58:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 272 transitions. [2023-12-03 04:58:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2023-12-03 04:58:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:58:31,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:31,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:58:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 186 states and 294 transitions. [2023-12-03 04:58:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 294 transitions. [2023-12-03 04:58:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:58:32,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:32,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:58:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 188 states and 296 transitions. [2023-12-03 04:58:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 296 transitions. [2023-12-03 04:58:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:58:32,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:32,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:58:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 201 states and 319 transitions. [2023-12-03 04:58:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 319 transitions. [2023-12-03 04:58:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:58:33,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:58:33,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:58:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:58:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:58:33,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:58:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:58:33,798 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2023-12-03 04:58:33,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-03 04:58:33,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-03 04:58:33,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:58:33 ImpRootNode [2023-12-03 04:58:33,859 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:58:33,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:58:33,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:58:33,860 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:58:33,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:20" (3/4) ... [2023-12-03 04:58:33,861 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:58:33,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-03 04:58:33,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-03 04:58:33,937 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:58:33,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:58:33,938 INFO L158 Benchmark]: Toolchain (without parser) took 14665.74ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 113.4MB in the beginning and 150.2MB in the end (delta: -36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,938 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:58:33,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.83ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 100.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,939 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,939 INFO L158 Benchmark]: RCFGBuilder took 491.81ms. Allocated memory is still 148.9MB. Free memory was 96.6MB in the beginning and 70.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,940 INFO L158 Benchmark]: CodeCheck took 13757.98ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 70.2MB in the beginning and 155.4MB in the end (delta: -85.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:58:33,940 INFO L158 Benchmark]: Witness Printer took 77.53ms. Allocated memory is still 218.1MB. Free memory was 155.4MB in the beginning and 150.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:58:33,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9619 SdHoareTripleChecker+Valid, 16.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5704 mSDsluCounter, 14426 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8930 mSDsCounter, 3483 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10996 IncrementalHoareTripleChecker+Invalid, 14479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3483 mSolverCounterUnsat, 5496 mSDtfsCounter, 10996 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15957 GetRequests, 15219 SyntacticMatches, 484 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37834 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1634 NumberOfCodeBlocks, 1634 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1538 ConstructedInterpolants, 0 QuantifiedInterpolants, 2934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 312/339 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int m_pc = 0; [L26] int t1_pc = 0; [L27] int m_st ; [L28] int t1_st ; [L29] int m_i ; [L30] int t1_i ; [L31] int M_E = 2; [L32] int T1_E = 2; [L33] int E_1 = 2; [L449] int __retres1 ; [L453] CALL init_model() [L364] m_i = 1 [L365] t1_i = 1 [L453] RET init_model() [L454] CALL start_simulation() [L390] int kernel_st ; [L391] int tmp ; [L392] int tmp___0 ; [L396] kernel_st = 0 VAL [E_1=2, M_E=2, T1_E=2, kernel_st=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L397] FCALL update_channels() VAL [E_1=2, M_E=2, T1_E=2, kernel_st=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L398] CALL init_threads() [L161] COND TRUE m_i == 1 [L162] m_st = 0 [L166] COND TRUE t1_i == 1 [L167] t1_st = 0 [L398] RET init_threads() [L399] CALL fire_delta_events() VAL [E_1=2, M_E=2, T1_E=2, \old(E_1)=2, \old(M_E)=2, \old(T1_E)=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L250] COND FALSE !(M_E == 0) [L255] COND FALSE !(T1_E == 0) [L260] COND FALSE !(E_1 == 0) [L399] RET fire_delta_events() VAL [E_1=2, M_E=2, T1_E=2, kernel_st=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L400] CALL activate_threads() VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L293] int tmp ; [L294] int tmp___0 ; [L298] CALL, EXPR is_master_triggered() [L112] int __retres1 ; VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L115] COND FALSE !(m_pc == 1) VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L125] __retres1 = 0 VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L127] return (__retres1); [L298] RET, EXPR is_master_triggered() [L298] tmp = is_master_triggered() [L300] COND FALSE !(\read(tmp)) [L306] CALL, EXPR is_transmit1_triggered() [L131] int __retres1 ; VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L134] COND FALSE !(t1_pc == 1) VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L144] __retres1 = 0 VAL [E_1=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L146] return (__retres1); [L306] RET, EXPR is_transmit1_triggered() [L306] tmp___0 = is_transmit1_triggered() [L308] COND FALSE !(\read(tmp___0)) [L400] RET activate_threads() VAL [E_1=2, M_E=2, T1_E=2, kernel_st=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L401] CALL reset_delta_events() VAL [E_1=2, M_E=2, T1_E=2, \old(E_1)=2, \old(M_E)=2, \old(T1_E)=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L273] COND FALSE !(M_E == 1) [L278] COND FALSE !(T1_E == 1) [L283] COND FALSE !(E_1 == 1) [L401] RET reset_delta_events() VAL [E_1=2, M_E=2, T1_E=2, kernel_st=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L404] COND TRUE 1 [L407] kernel_st = 1 [L408] CALL eval() [L197] int tmp ; VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L201] COND TRUE 1 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L204] CALL, EXPR exists_runnable_thread() VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L176] int __retres1 ; [L179] COND TRUE m_st == 0 [L180] __retres1 = 1 [L192] return (__retres1); [L204] RET, EXPR exists_runnable_thread() VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0] [L204] tmp = exists_runnable_thread() [L206] COND TRUE \read(tmp) VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1] [L211] COND TRUE m_st == 0 [L212] int tmp_ndt_1; [L213] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L214] COND FALSE, EXPR !(\read(tmp_ndt_1)) VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0] [L211-L222] { int tmp_ndt_1; tmp_ndt_1 = __VERIFIER_nondet_int(); if (tmp_ndt_1) { { m_st = 1; master(); } } else { } } VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1] [L225] COND TRUE t1_st == 0 [L226] int tmp_ndt_2; [L227] EXPR tmp_ndt_2 = __VERIFIER_nondet_int() [L228] COND TRUE, EXPR \read(tmp_ndt_2) [L230] EXPR t1_st = 1 [L231] CALL, EXPR transmit1() [L82] COND TRUE t1_pc == 0 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=1] [L93] COND TRUE 1 [L95] t1_pc = 1 [L96] t1_st = 2 [L231] RET, EXPR transmit1() [L225-L236] { int tmp_ndt_2; tmp_ndt_2 = __VERIFIER_nondet_int(); if (tmp_ndt_2) { { t1_st = 1; transmit1(); } } else { } } VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1] [L201] COND TRUE 1 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1] [L204] CALL, EXPR exists_runnable_thread() VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2] [L176] int __retres1 ; [L179] COND TRUE m_st == 0 [L180] __retres1 = 1 [L192] return (__retres1); [L204] RET, EXPR exists_runnable_thread() VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1] [L204] tmp = exists_runnable_thread() [L206] COND TRUE \read(tmp) VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1] [L211] COND TRUE m_st == 0 [L212] int tmp_ndt_1; [L213] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L214] COND TRUE, EXPR \read(tmp_ndt_1) [L216] EXPR m_st = 1 [L217] CALL, EXPR master() [L41] COND TRUE m_pc == 0 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L52] COND TRUE 1 [L55] E_1 = 1 [L56] CALL immediate_notify() [L322] CALL activate_threads() VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L293] int tmp ; [L294] int tmp___0 ; [L298] CALL, EXPR is_master_triggered() [L112] int __retres1 ; VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L115] COND FALSE !(m_pc == 1) VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L125] __retres1 = 0 VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=0, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L127] return (__retres1); [L298] RET, EXPR is_master_triggered() [L298] tmp = is_master_triggered() [L300] COND FALSE !(\read(tmp)) [L306] CALL, EXPR is_transmit1_triggered() [L131] int __retres1 ; VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L134] COND TRUE t1_pc == 1 VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L135] COND TRUE E_1 == 1 [L136] __retres1 = 1 VAL [E_1=1, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=1, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2] [L146] return (__retres1); [L306] RET, EXPR is_transmit1_triggered() [L306] tmp___0 = is_transmit1_triggered() [L308] COND TRUE \read(tmp___0) [L309] t1_st = 0 [L322] RET activate_threads() VAL [E_1=1, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0] [L56] RET immediate_notify() [L57] E_1 = 2 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0] [L60] COND TRUE 1 [L62] m_pc = 1 [L63] m_st = 2 VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=0] [L217] RET, EXPR master() [L211-L222] { int tmp_ndt_1; tmp_ndt_1 = __VERIFIER_nondet_int(); if (tmp_ndt_1) { { m_st = 1; master(); } } else { } } VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=0, tmp=1] [L225] COND TRUE t1_st == 0 [L226] int tmp_ndt_2; [L227] tmp_ndt_2 = __VERIFIER_nondet_int() [L228] COND TRUE \read(tmp_ndt_2) [L230] t1_st = 1 [L231] CALL transmit1() [L82] COND FALSE !(t1_pc == 0) VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1] [L85] COND TRUE t1_pc == 1 [L101] CALL error() [L21] reach_error() VAL [E_1=2, M_E=2, T1_E=2, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.83ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 100.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.81ms. Allocated memory is still 148.9MB. Free memory was 96.6MB in the beginning and 70.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 13757.98ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 70.2MB in the beginning and 155.4MB in the end (delta: -85.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.53ms. Allocated memory is still 218.1MB. Free memory was 155.4MB in the beginning and 150.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 04:58:33,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515926cf-3e42-4cad-b02a-1748d7d9893c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE