./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:57,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:57,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:09:57,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:57,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:57,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:57,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:57,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:57,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:57,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:57,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:57,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:57,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:57,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:57,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:57,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:57,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:57,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:57,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:57,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:57,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:57,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:57,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:57,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:57,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:57,344 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:57,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:57,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:57,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:57,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:57,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:57,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:57,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:57,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:57,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:57,349 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_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f [2023-11-19 03:09:57,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:57,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:57,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:57,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:57,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:57,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2023-11-19 03:10:00,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:01,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:01,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2023-11-19 03:10:01,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/data/937653e61/59cbb2ebd49c4dcda3ff13da2befd951/FLAG859e75560 [2023-11-19 03:10:01,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/data/937653e61/59cbb2ebd49c4dcda3ff13da2befd951 [2023-11-19 03:10:01,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:01,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:01,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:01,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:01,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:01,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69113bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01, skipping insertion in model container [2023-11-19 03:10:01,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:01,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:01,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:01,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:01,375 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:01,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01 WrapperNode [2023-11-19 03:10:01,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:01,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:01,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:01,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:01,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,426 INFO L138 Inliner]: procedures = 30, calls = 36, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 234 [2023-11-19 03:10:01,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:01,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:01,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:01,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:01,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:01,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:01,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:01,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:01,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:01" (1/1) ... [2023-11-19 03:10:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:01,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:01,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:01,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:10:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:10:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 03:10:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 03:10:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 03:10:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 03:10:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:10:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:10:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 03:10:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 03:10:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 03:10:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 03:10:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 03:10:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 03:10:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:01,656 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:01,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:02,012 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:02,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:02,208 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:10:02,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:02 BoogieIcfgContainer [2023-11-19 03:10:02,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:02,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:02,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:02,229 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:02,230 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:02" (1/1) ... [2023-11-19 03:10:02,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 82 states and 113 transitions. [2023-11-19 03:10:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-19 03:10:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:02,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 122 transitions. [2023-11-19 03:10:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-19 03:10:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:02,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 122 transitions. [2023-11-19 03:10:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2023-11-19 03:10:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:03,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:03,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 136 transitions. [2023-11-19 03:10:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-19 03:10:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:10:03,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:03,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 163 transitions. [2023-11-19 03:10:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-11-19 03:10:04,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:10:04,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 111 states and 168 transitions. [2023-11-19 03:10:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2023-11-19 03:10:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:10:05,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 109 states and 163 transitions. [2023-11-19 03:10:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-11-19 03:10:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:10:05,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 106 states and 155 transitions. [2023-11-19 03:10:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2023-11-19 03:10:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:10:05,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 178 transitions. [2023-11-19 03:10:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2023-11-19 03:10:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:10:05,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 117 states and 177 transitions. [2023-11-19 03:10:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-19 03:10:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:10:05,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:05,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 210 transitions. [2023-11-19 03:10:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-11-19 03:10:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:10:07,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 216 transitions. [2023-11-19 03:10:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-19 03:10:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:07,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 212 transitions. [2023-11-19 03:10:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-11-19 03:10:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:08,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 130 states and 203 transitions. [2023-11-19 03:10:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 203 transitions. [2023-11-19 03:10:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:10:08,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 210 transitions. [2023-11-19 03:10:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-19 03:10:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:10:08,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:10:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 217 transitions. [2023-11-19 03:10:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 217 transitions. [2023-11-19 03:10:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:10:08,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 140 states and 220 transitions. [2023-11-19 03:10:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-19 03:10:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:10:08,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:10:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 141 states and 220 transitions. [2023-11-19 03:10:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-19 03:10:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:10:08,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:10:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 223 transitions. [2023-11-19 03:10:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 223 transitions. [2023-11-19 03:10:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:10:09,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:09,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 152 states and 243 transitions. [2023-11-19 03:10:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 243 transitions. [2023-11-19 03:10:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:09,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 266 transitions. [2023-11-19 03:10:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2023-11-19 03:10:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:10,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 163 states and 266 transitions. [2023-11-19 03:10:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 266 transitions. [2023-11-19 03:10:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:10,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:10:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 168 states and 278 transitions. [2023-11-19 03:10:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 278 transitions. [2023-11-19 03:10:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:10:10,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:10:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 168 states and 277 transitions. [2023-11-19 03:10:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2023-11-19 03:10:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:10:10,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:10:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 279 transitions. [2023-11-19 03:10:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 279 transitions. [2023-11-19 03:10:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:10:11,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:11,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:10:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 281 transitions. [2023-11-19 03:10:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 281 transitions. [2023-11-19 03:10:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:10:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:11,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:10:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 315 transitions. [2023-11-19 03:10:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2023-11-19 03:10:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:10:12,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:12,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:10:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 315 transitions. [2023-11-19 03:10:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2023-11-19 03:10:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:10:12,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:12,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:10:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 195 states and 343 transitions. [2023-11-19 03:10:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 343 transitions. [2023-11-19 03:10:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:10:13,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:13,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:10:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 202 states and 363 transitions. [2023-11-19 03:10:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 363 transitions. [2023-11-19 03:10:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:10:14,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:10:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 207 states and 373 transitions. [2023-11-19 03:10:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 373 transitions. [2023-11-19 03:10:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:10:15,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:10:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 210 states and 374 transitions. [2023-11-19 03:10:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 374 transitions. [2023-11-19 03:10:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:10:15,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:15,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:15,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:10:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:15,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:10:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:16,095 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2023-11-19 03:10:16,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:10:16,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:10:16,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:10:16 ImpRootNode [2023-11-19 03:10:16,218 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:10:16,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:10:16,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:10:16,224 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:10:16,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:02" (3/4) ... [2023-11-19 03:10:16,225 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:10:16,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:10:16,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 03:10:16,335 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:10:16,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:10:16,336 INFO L158 Benchmark]: Toolchain (without parser) took 15264.62ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 140.8MB in the beginning and 109.3MB in the end (delta: 31.5MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,336 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:16,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.85ms. Allocated memory is still 169.9MB. Free memory was 140.1MB in the beginning and 127.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.63ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,337 INFO L158 Benchmark]: Boogie Preprocessor took 32.47ms. Allocated memory is still 169.9MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,337 INFO L158 Benchmark]: RCFGBuilder took 755.18ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 109.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,338 INFO L158 Benchmark]: CodeCheck took 14000.73ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 109.0MB in the beginning and 114.5MB in the end (delta: -5.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,338 INFO L158 Benchmark]: Witness Printer took 116.22ms. Allocated memory is still 247.5MB. Free memory was 114.5MB in the beginning and 109.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:10:16,344 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 8 procedures, 82 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9054 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4994 mSDsluCounter, 13820 SdHoareTripleChecker+Invalid, 13.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8232 mSDsCounter, 2906 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9309 IncrementalHoareTripleChecker+Invalid, 12215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2906 mSolverCounterUnsat, 5588 mSDtfsCounter, 9309 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14877 GetRequests, 14208 SyntacticMatches, 465 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26221 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1506 NumberOfCodeBlocks, 1506 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1409 ConstructedInterpolants, 0 QuantifiedInterpolants, 2713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 28 PerfectInterpolantSequences, 289/300 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: 119]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int m_pc = 0; [L25] int t1_pc = 0; [L26] int m_st ; [L27] int t1_st ; [L28] int m_i ; [L29] int t1_i ; [L30] int M_E = 2; [L31] int T1_E = 2; [L32] int E_M = 2; [L33] int E_1 = 2; [L37] int token ; [L39] int local ; [L485] int __retres1 ; [L489] CALL init_model() [L400] m_i = 1 [L401] t1_i = 1 [L489] RET init_model() [L490] CALL start_simulation() [L426] int kernel_st ; [L427] int tmp ; [L428] int tmp___0 ; [L432] kernel_st = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, kernel_st=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L433] FCALL update_channels() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, kernel_st=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L434] CALL init_threads() [L182] COND TRUE m_i == 1 [L183] m_st = 0 [L187] COND TRUE t1_i == 1 [L188] t1_st = 0 [L434] RET init_threads() [L435] CALL fire_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L271] COND FALSE !(M_E == 0) [L276] COND FALSE !(T1_E == 0) [L281] COND FALSE !(E_M == 0) [L286] COND FALSE !(E_1 == 0) [L435] RET fire_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, kernel_st=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L436] CALL activate_threads() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L324] int tmp ; [L325] int tmp___0 ; [L329] CALL, EXPR is_master_triggered() [L133] int __retres1 ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L136] COND FALSE !(m_pc == 1) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L146] __retres1 = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L148] return (__retres1); [L329] RET, EXPR is_master_triggered() [L329] tmp = is_master_triggered() [L331] COND FALSE !(\read(tmp)) [L337] CALL, EXPR is_transmit1_triggered() [L152] int __retres1 ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L155] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L165] __retres1 = 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(m_st)=0, \old(t1_st)=0, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L167] return (__retres1); [L337] RET, EXPR is_transmit1_triggered() [L337] tmp___0 = is_transmit1_triggered() [L339] COND FALSE !(\read(tmp___0)) [L436] RET activate_threads() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, kernel_st=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L437] CALL reset_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, \old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L299] COND FALSE !(M_E == 1) [L304] COND FALSE !(T1_E == 1) [L309] COND FALSE !(E_M == 1) [L314] COND FALSE !(E_1 == 1) [L437] RET reset_delta_events() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, kernel_st=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L440] COND TRUE 1 [L443] kernel_st = 1 [L444] CALL eval() [L218] int tmp ; VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L222] COND TRUE 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L225] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L197] int __retres1 ; [L200] COND TRUE m_st == 0 [L201] __retres1 = 1 [L213] return (__retres1); [L225] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, token=0] [L225] tmp = exists_runnable_thread() [L227] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1, token=0] [L232] COND TRUE m_st == 0 [L233] int tmp_ndt_1; [L234] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L235] COND FALSE, EXPR !(\read(tmp_ndt_1)) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0, token=0] [L232-L243] { int tmp_ndt_1; tmp_ndt_1 = __VERIFIER_nondet_int(); if (tmp_ndt_1) { { m_st = 1; master(); } } else { } } VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, tmp=1, token=0] [L246] COND TRUE t1_st == 0 [L247] int tmp_ndt_2; [L248] EXPR tmp_ndt_2 = __VERIFIER_nondet_int() [L249] COND TRUE, EXPR \read(tmp_ndt_2) [L251] EXPR t1_st = 1 [L252] CALL, EXPR transmit1() [L100] COND TRUE t1_pc == 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=1, token=0] [L111] COND TRUE 1 [L113] t1_pc = 1 [L114] t1_st = 2 [L252] RET, EXPR transmit1() [L246-L257] { int tmp_ndt_2; tmp_ndt_2 = __VERIFIER_nondet_int(); if (tmp_ndt_2) { { t1_st = 1; transmit1(); } } else { } } VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1, token=0] [L222] COND TRUE 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1, token=0] [L225] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, token=0] [L197] int __retres1 ; [L200] COND TRUE m_st == 0 [L201] __retres1 = 1 [L213] return (__retres1); [L225] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1, token=0] [L225] tmp = exists_runnable_thread() [L227] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=1, t1_st=2, tmp=1, token=0] [L232] COND TRUE m_st == 0 [L233] int tmp_ndt_1; [L234] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L235] COND TRUE, EXPR \read(tmp_ndt_1) [L237] EXPR m_st = 1 [L238] CALL, EXPR master() [L42] int tmp_var = __VERIFIER_nondet_int(); [L44] COND TRUE m_pc == 0 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=0, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, tmp_var=0, token=0] [L55] COND TRUE 1 [L58] token = __VERIFIER_nondet_int() [L59] local = token [L60] E_1 = 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, tmp_var=0, token=2147483647] [L61] CALL immediate_notify() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L353] CALL activate_threads() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L324] int tmp ; [L325] int tmp___0 ; [L329] CALL, EXPR is_master_triggered() [L133] int __retres1 ; VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L136] COND FALSE !(m_pc == 1) VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L146] __retres1 = 0 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=0, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L148] return (__retres1); [L329] RET, EXPR is_master_triggered() [L329] tmp = is_master_triggered() [L331] COND FALSE !(\read(tmp)) [L337] CALL, EXPR is_transmit1_triggered() [L152] int __retres1 ; VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L155] COND TRUE t1_pc == 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L156] COND TRUE E_1 == 1 [L157] __retres1 = 1 VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, __retres1=1, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L167] return (__retres1); [L337] RET, EXPR is_transmit1_triggered() [L337] tmp___0 = is_transmit1_triggered() [L339] COND TRUE \read(tmp___0) [L340] t1_st = 0 [L353] RET activate_threads() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, \old(m_st)=1, \old(t1_st)=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0, token=2147483647] [L61] RET immediate_notify() VAL [E_1=1, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=0, m_st=1, t1_i=1, t1_pc=1, t1_st=0, tmp_var=0, token=2147483647] [L62] E_1 = 2 [L63] m_pc = 1 [L64] m_st = 2 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=0, tmp_var=0, token=2147483647] [L238] RET, EXPR master() [L232-L243] { int tmp_ndt_1; tmp_ndt_1 = __VERIFIER_nondet_int(); if (tmp_ndt_1) { { m_st = 1; master(); } } else { } } VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=0, tmp=1, token=2147483647] [L246] COND TRUE t1_st == 0 [L247] int tmp_ndt_2; [L248] tmp_ndt_2 = __VERIFIER_nondet_int() [L249] COND TRUE \read(tmp_ndt_2) [L251] t1_st = 1 [L252] CALL transmit1() [L100] COND FALSE !(t1_pc == 0) VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L103] COND TRUE t1_pc == 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L119] token += 1 VAL [E_1=2, E_M=2, M_E=2, T1_E=2, local=2147483647, m_i=1, m_pc=1, m_st=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.85ms. Allocated memory is still 169.9MB. Free memory was 140.1MB in the beginning and 127.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.63ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.47ms. Allocated memory is still 169.9MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 755.18ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 109.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14000.73ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 109.0MB in the beginning and 114.5MB in the end (delta: -5.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Witness Printer took 116.22ms. Allocated memory is still 247.5MB. Free memory was 114.5MB in the beginning and 109.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:10:16,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa018-7f3d-48ef-96cb-f58d83892f4b/bin/ukojak-verify-G8NBE6pJGL/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(OVERFLOW)