./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV --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 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:39,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:39,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:59:39,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:39,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:39,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:39,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:39,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:39,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:39,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:39,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:39,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:39,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:39,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:39,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:39,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:39,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:39,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:39,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:39,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:39,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:39,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:39,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:39,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:39,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:39,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:39,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:39,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:39,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:39,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:39,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:39,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:39,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:39,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:39,210 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_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 [2023-11-11 23:59:39,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:39,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:39,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:39,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:39,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:39,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2023-11-11 23:59:42,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:43,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:43,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2023-11-11 23:59:43,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/data/5b1395912/0b9c4cb3a31a4fbbb46710c06db637ed/FLAG824150d58 [2023-11-11 23:59:43,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/data/5b1395912/0b9c4cb3a31a4fbbb46710c06db637ed [2023-11-11 23:59:43,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:43,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:43,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:43,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:43,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:43,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f13516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43, skipping insertion in model container [2023-11-11 23:59:43,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:43,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:43,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:43,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:43,475 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:43,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43 WrapperNode [2023-11-11 23:59:43,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:43,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:43,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:43,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:43,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,535 INFO L138 Inliner]: procedures = 30, calls = 35, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 224 [2023-11-11 23:59:43,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:43,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:43,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:43,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:43,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:43,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:43,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:43,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:43,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:43" (1/1) ... [2023-11-11 23:59:43,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:43,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:43,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:43,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-11 23:59:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-11 23:59:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-11 23:59:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-11 23:59:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-11 23:59:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-11 23:59:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-11 23:59:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-11 23:59:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-11 23:59:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-11 23:59:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-11 23:59:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-11 23:59:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:43,739 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:43,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:44,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:44,313 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:44,314 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:59:44,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:44 BoogieIcfgContainer [2023-11-11 23:59:44,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:44,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:44,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:44,329 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:44,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:44" (1/1) ... [2023-11-11 23:59:44,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2023-11-11 23:59:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-11-11 23:59:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:44,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:44,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 109 transitions. [2023-11-11 23:59:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-11-11 23:59:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:45,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 109 transitions. [2023-11-11 23:59:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-11-11 23:59:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:45,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 123 transitions. [2023-11-11 23:59:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2023-11-11 23:59:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:45,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 150 transitions. [2023-11-11 23:59:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-11 23:59:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:46,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 103 states and 155 transitions. [2023-11-11 23:59:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2023-11-11 23:59:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:59:47,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 150 transitions. [2023-11-11 23:59:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-11 23:59:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:59:47,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 142 transitions. [2023-11-11 23:59:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 142 transitions. [2023-11-11 23:59:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:59:47,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 109 states and 165 transitions. [2023-11-11 23:59:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 165 transitions. [2023-11-11 23:59:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:59:47,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 109 states and 164 transitions. [2023-11-11 23:59:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2023-11-11 23:59:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:59:48,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 125 states and 197 transitions. [2023-11-11 23:59:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2023-11-11 23:59:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:59:50,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 203 transitions. [2023-11-11 23:59:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2023-11-11 23:59:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:59:50,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 125 states and 199 transitions. [2023-11-11 23:59:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 199 transitions. [2023-11-11 23:59:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:59:50,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 122 states and 190 transitions. [2023-11-11 23:59:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2023-11-11 23:59:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:59:50,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 197 transitions. [2023-11-11 23:59:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2023-11-11 23:59:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:59:51,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:59:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 204 transitions. [2023-11-11 23:59:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 204 transitions. [2023-11-11 23:59:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:59:51,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 207 transitions. [2023-11-11 23:59:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2023-11-11 23:59:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:59:51,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:59:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 210 transitions. [2023-11-11 23:59:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-11 23:59:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:59:51,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:59:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 210 transitions. [2023-11-11 23:59:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-11 23:59:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:59:51,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 144 states and 230 transitions. [2023-11-11 23:59:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 230 transitions. [2023-11-11 23:59:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:52,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 154 states and 249 transitions. [2023-11-11 23:59:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 249 transitions. [2023-11-11 23:59:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:53,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 155 states and 249 transitions. [2023-11-11 23:59:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 249 transitions. [2023-11-11 23:59:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:53,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:59:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 160 states and 257 transitions. [2023-11-11 23:59:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 257 transitions. [2023-11-11 23:59:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:59:53,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:59:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 160 states and 256 transitions. [2023-11-11 23:59:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 256 transitions. [2023-11-11 23:59:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:59:53,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-11 23:59:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 162 states and 258 transitions. [2023-11-11 23:59:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 258 transitions. [2023-11-11 23:59:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:59:53,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:59:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 164 states and 260 transitions. [2023-11-11 23:59:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 260 transitions. [2023-11-11 23:59:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:59:54,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:59:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 179 states and 290 transitions. [2023-11-11 23:59:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 290 transitions. [2023-11-11 23:59:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:59:55,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:59:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 179 states and 290 transitions. [2023-11-11 23:59:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 290 transitions. [2023-11-11 23:59:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:59:55,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:59:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 187 states and 318 transitions. [2023-11-11 23:59:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 318 transitions. [2023-11-11 23:59:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:59:56,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:59:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 194 states and 334 transitions. [2023-11-11 23:59:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 334 transitions. [2023-11-11 23:59:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:59:57,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:57,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:59:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 199 states and 344 transitions. [2023-11-11 23:59:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 344 transitions. [2023-11-11 23:59:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:59:58,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:58,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:59:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 202 states and 345 transitions. [2023-11-11 23:59:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 345 transitions. [2023-11-11 23:59:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:59:58,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:58,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:58,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:59,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:59,187 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2023-11-11 23:59:59,265 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-11 23:59:59,267 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-11 23:59:59,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:59:59 ImpRootNode [2023-11-11 23:59:59,300 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:59:59,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:59:59,300 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:59:59,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:59:59,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:44" (3/4) ... [2023-11-11 23:59:59,309 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:59:59,330 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-11 23:59:59,349 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-11 23:59:59,449 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:59:59,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:59:59,450 INFO L158 Benchmark]: Toolchain (without parser) took 16407.62ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 118.9MB in the beginning and 166.0MB in the end (delta: -47.1MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,450 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 165.7MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:59,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.58ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 105.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.42ms. Allocated memory is still 165.7MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,451 INFO L158 Benchmark]: Boogie Preprocessor took 30.76ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,452 INFO L158 Benchmark]: RCFGBuilder took 749.12ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 71.0MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,452 INFO L158 Benchmark]: CodeCheck took 14981.89ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 70.7MB in the beginning and 172.3MB in the end (delta: -101.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,453 INFO L158 Benchmark]: Witness Printer took 149.29ms. Allocated memory is still 274.7MB. Free memory was 172.3MB in the beginning and 166.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:59:59,455 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 7 procedures, 74 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8963 SdHoareTripleChecker+Valid, 16.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4995 mSDsluCounter, 13396 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7923 mSDsCounter, 2905 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9399 IncrementalHoareTripleChecker+Invalid, 12304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2905 mSolverCounterUnsat, 5473 mSDtfsCounter, 9399 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14799 GetRequests, 14130 SyntacticMatches, 465 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26221 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s 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: 107]: 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 ; [L473] int __retres1 ; [L477] CALL init_model() [L388] m_i = 1 [L389] t1_i = 1 [L477] RET init_model() [L478] CALL start_simulation() [L414] int kernel_st ; [L415] int tmp ; [L416] int tmp___0 ; [L420] 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] [L421] 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] [L422] CALL init_threads() [L170] COND TRUE m_i == 1 [L171] m_st = 0 [L175] COND TRUE t1_i == 1 [L176] t1_st = 0 [L422] RET init_threads() [L423] 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] [L259] COND FALSE !(M_E == 0) [L264] COND FALSE !(T1_E == 0) [L269] COND FALSE !(E_M == 0) [L274] COND FALSE !(E_1 == 0) [L423] 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] [L424] 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] [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR is_master_triggered() [L121] 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] [L124] 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] [L134] __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] [L136] return (__retres1); [L317] RET, EXPR is_master_triggered() [L317] tmp = is_master_triggered() [L319] COND FALSE !(\read(tmp)) [L325] CALL, EXPR is_transmit1_triggered() [L140] 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] [L143] 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] [L153] __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] [L155] return (__retres1); [L325] RET, EXPR is_transmit1_triggered() [L325] tmp___0 = is_transmit1_triggered() [L327] COND FALSE !(\read(tmp___0)) [L424] 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] [L425] 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] [L287] COND FALSE !(M_E == 1) [L292] COND FALSE !(T1_E == 1) [L297] COND FALSE !(E_M == 1) [L302] COND FALSE !(E_1 == 1) [L425] 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] [L428] COND TRUE 1 [L431] kernel_st = 1 [L432] CALL eval() [L206] 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] [L210] 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] [L213] 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] [L185] int __retres1 ; [L188] COND TRUE m_st == 0 [L189] __retres1 = 1 [L201] return (__retres1); [L213] 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] [L213] tmp = exists_runnable_thread() [L215] 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] [L220] COND TRUE m_st == 0 [L221] int tmp_ndt_1; [L222] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L223] 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] [L220-L231] { 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] [L234] COND TRUE t1_st == 0 [L235] int tmp_ndt_2; [L236] EXPR tmp_ndt_2 = __VERIFIER_nondet_int() [L237] COND TRUE, EXPR \read(tmp_ndt_2) [L239] EXPR t1_st = 1 [L240] CALL, EXPR transmit1() [L88] 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] [L99] COND TRUE 1 [L101] t1_pc = 1 [L102] t1_st = 2 [L240] RET, EXPR transmit1() [L234-L245] { 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] [L210] 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] [L213] 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] [L185] int __retres1 ; [L188] COND TRUE m_st == 0 [L189] __retres1 = 1 [L201] return (__retres1); [L213] 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] [L213] tmp = exists_runnable_thread() [L215] 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] [L220] COND TRUE m_st == 0 [L221] int tmp_ndt_1; [L222] EXPR tmp_ndt_1 = __VERIFIER_nondet_int() [L223] COND TRUE, EXPR \read(tmp_ndt_1) [L225] EXPR m_st = 1 [L226] CALL, EXPR master() [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, 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, 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] [L341] 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] [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR is_master_triggered() [L121] 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] [L124] 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] [L134] __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] [L136] return (__retres1); [L317] RET, EXPR is_master_triggered() [L317] tmp = is_master_triggered() [L319] COND FALSE !(\read(tmp)) [L325] CALL, EXPR is_transmit1_triggered() [L140] 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] [L143] 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] [L144] COND TRUE E_1 == 1 [L145] __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] [L155] return (__retres1); [L325] RET, EXPR is_transmit1_triggered() [L325] tmp___0 = is_transmit1_triggered() [L327] COND TRUE \read(tmp___0) [L328] t1_st = 0 [L341] 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, 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, token=2147483647] [L226] RET, EXPR master() [L220-L231] { 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] [L234] COND TRUE t1_st == 0 [L235] int tmp_ndt_2; [L236] tmp_ndt_2 = __VERIFIER_nondet_int() [L237] COND TRUE \read(tmp_ndt_2) [L239] t1_st = 1 [L240] CALL transmit1() [L88] 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] [L91] 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] [L107] 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 0.46ms. Allocated memory is still 165.7MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.58ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 105.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.42ms. Allocated memory is still 165.7MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.76ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.12ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 71.0MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 14981.89ms. Allocated memory was 165.7MB in the beginning and 274.7MB in the end (delta: 109.1MB). Free memory was 70.7MB in the beginning and 172.3MB in the end (delta: -101.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 149.29ms. Allocated memory is still 274.7MB. Free memory was 172.3MB in the beginning and 166.0MB in the end (delta: 6.3MB). 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~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:59:59,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83585bb-ff12-418c-a303-40bba4776952/bin/ukojak-verify-0OAaufAVZV/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)