./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 cf1a7837 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_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/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_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/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_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/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_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/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 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:23,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:23,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:23,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:23,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:23,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:23,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:23,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:23,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:23,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:23,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:23,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:23,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:23,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:23,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:23,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:23,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:23,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:23,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:23,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:23,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:23,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:23,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:23,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:23,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:23,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:23,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:23,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:23,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:23,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:23,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:23,917 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:23,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:23,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:23,918 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_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f [2023-11-11 23:52:24,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:24,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:24,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:24,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:24,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:24,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2023-11-11 23:52:27,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:27,705 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:27,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2023-11-11 23:52:27,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/data/414aeea3d/fd3a009a086746c1ae55a1294f91ea86/FLAGdfe3e5557 [2023-11-11 23:52:27,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/data/414aeea3d/fd3a009a086746c1ae55a1294f91ea86 [2023-11-11 23:52:27,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:27,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:27,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:27,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:27,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:27,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:27" (1/1) ... [2023-11-11 23:52:27,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5b3e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:27, skipping insertion in model container [2023-11-11 23:52:27,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:27" (1/1) ... [2023-11-11 23:52:27,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:28,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:28,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:28,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:28,091 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:28,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28 WrapperNode [2023-11-11 23:52:28,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:28,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:28,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:28,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:28,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,139 INFO L138 Inliner]: procedures = 30, calls = 36, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 234 [2023-11-11 23:52:28,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:28,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:28,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:28,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:28,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:28,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:28,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:28,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:28,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:28,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:28,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:52:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:52:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-11 23:52:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-11 23:52:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-11 23:52:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-11 23:52:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-11 23:52:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-11 23:52:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-11 23:52:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-11 23:52:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-11 23:52:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-11 23:52:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-11 23:52:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-11 23:52:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:28,358 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:28,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:28,795 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:28,981 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:28,982 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:52:28,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:28 BoogieIcfgContainer [2023-11-11 23:52:28,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:28,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:28,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:29,000 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:29,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 82 states and 113 transitions. [2023-11-11 23:52:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-11 23:52:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:29,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:29,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:29,500 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 23:52:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 122 transitions. [2023-11-11 23:52:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-11 23:52:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:29,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:29,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:29,945 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 23:52:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 122 transitions. [2023-11-11 23:52:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2023-11-11 23:52:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:30,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,285 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 23:52:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 136 transitions. [2023-11-11 23:52:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-11 23:52:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:52:30,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,748 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 23:52:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 163 transitions. [2023-11-11 23:52:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-11-11 23:52:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:52:31,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,381 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 23:52:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 111 states and 168 transitions. [2023-11-11 23:52:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2023-11-11 23:52:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:52:31,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,021 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 23:52:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 109 states and 163 transitions. [2023-11-11 23:52:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-11-11 23:52:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:52:32,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,180 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 23:52:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 106 states and 155 transitions. [2023-11-11 23:52:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2023-11-11 23:52:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:52:32,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,252 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 23:52:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 178 transitions. [2023-11-11 23:52:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2023-11-11 23:52:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:52:32,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,463 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 23:52:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 117 states and 177 transitions. [2023-11-11 23:52:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-11 23:52:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:52:32,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,756 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 23:52:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 210 transitions. [2023-11-11 23:52:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-11-11 23:52:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:52:34,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,420 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 23:52:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 216 transitions. [2023-11-11 23:52:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-11 23:52:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:52:34,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,901 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 23:52:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 212 transitions. [2023-11-11 23:52:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-11-11 23:52:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:52:35,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,121 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 23:52:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 130 states and 203 transitions. [2023-11-11 23:52:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 203 transitions. [2023-11-11 23:52:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:52:35,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,215 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 23:52:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 210 transitions. [2023-11-11 23:52:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-11 23:52:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:52:35,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,508 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 23:52:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 217 transitions. [2023-11-11 23:52:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 217 transitions. [2023-11-11 23:52:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:52:35,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,773 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 23:52:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 140 states and 220 transitions. [2023-11-11 23:52:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-11 23:52:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:52:35,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,842 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 23:52:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 141 states and 220 transitions. [2023-11-11 23:52:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-11 23:52:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:52:35,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,973 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 23:52:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 223 transitions. [2023-11-11 23:52:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 223 transitions. [2023-11-11 23:52:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:52:36,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:36,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:36,100 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 23:52:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 152 states and 243 transitions. [2023-11-11 23:52:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 243 transitions. [2023-11-11 23:52:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:52:36,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:36,936 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 23:52:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 266 transitions. [2023-11-11 23:52:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2023-11-11 23:52:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:52:37,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:37,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:37,354 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 23:52:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 163 states and 266 transitions. [2023-11-11 23:52:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 266 transitions. [2023-11-11 23:52:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:52:37,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:37,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:37,455 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 23:52:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 168 states and 278 transitions. [2023-11-11 23:52:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 278 transitions. [2023-11-11 23:52:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:52:37,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:37,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:37,838 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 23:52:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 168 states and 277 transitions. [2023-11-11 23:52:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2023-11-11 23:52:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:52:37,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:37,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:37,927 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 23:52:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 279 transitions. [2023-11-11 23:52:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 279 transitions. [2023-11-11 23:52:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:52:38,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:38,182 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 23:52:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 281 transitions. [2023-11-11 23:52:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 281 transitions. [2023-11-11 23:52:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:52:38,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:38,355 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 23:52:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 315 transitions. [2023-11-11 23:52:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2023-11-11 23:52:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:52:39,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:39,394 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 23:52:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 315 transitions. [2023-11-11 23:52:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2023-11-11 23:52:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:52:39,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:39,703 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 23:52:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 195 states and 343 transitions. [2023-11-11 23:52:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 343 transitions. [2023-11-11 23:52:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:52:40,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:40,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:40,783 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 23:52:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 202 states and 363 transitions. [2023-11-11 23:52:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 363 transitions. [2023-11-11 23:52:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:52:41,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:41,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:41,608 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 23:52:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 207 states and 373 transitions. [2023-11-11 23:52:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 373 transitions. [2023-11-11 23:52:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:52:42,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:42,477 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 23:52:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 210 states and 374 transitions. [2023-11-11 23:52:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 374 transitions. [2023-11-11 23:52:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:52:42,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:42,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:43,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:43,234 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2023-11-11 23:52:43,323 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-11 23:52:43,326 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-11 23:52:43,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:52:43 ImpRootNode [2023-11-11 23:52:43,364 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:52:43,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:52:43,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:52:43,370 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:52:43,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:28" (3/4) ... [2023-11-11 23:52:43,371 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:52:43,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-11 23:52:43,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-11 23:52:43,466 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:52:43,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:52:43,467 INFO L158 Benchmark]: Toolchain (without parser) took 15706.65ms. Allocated memory was 136.3MB in the beginning and 255.9MB in the end (delta: 119.5MB). Free memory was 91.8MB in the beginning and 206.4MB in the end (delta: -114.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,467 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 136.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:43,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.87ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 78.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.04ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,468 INFO L158 Benchmark]: Boogie Preprocessor took 35.78ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:43,469 INFO L158 Benchmark]: RCFGBuilder took 808.44ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 74.9MB in the beginning and 131.2MB in the end (delta: -56.3MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,469 INFO L158 Benchmark]: CodeCheck took 14375.93ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.4MB in the beginning and 212.8MB in the end (delta: -82.4MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,470 INFO L158 Benchmark]: Witness Printer took 102.19ms. Allocated memory is still 255.9MB. Free memory was 212.8MB in the beginning and 206.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:43,472 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: 14.2s, 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, 16.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4994 mSDsluCounter, 13820 SdHoareTripleChecker+Invalid, 13.9s 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, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s 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 0.77ms. Allocated memory is still 136.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.87ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 78.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.04ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.78ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 808.44ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 74.9MB in the beginning and 131.2MB in the end (delta: -56.3MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * CodeCheck took 14375.93ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.4MB in the beginning and 212.8MB in the end (delta: -82.4MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * Witness Printer took 102.19ms. Allocated memory is still 255.9MB. Free memory was 212.8MB in the beginning and 206.4MB 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~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! [2023-11-11 23:52:43,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6feccb6-ab39-44d9-93e8-d4c96d22bc55/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)