./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52de5146a3a24866d31d2076a85235f80d04004402c35cfcf3c3304704a7fec0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:20,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:20,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:20,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:20,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:20,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:20,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:20,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:20,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:20,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:20,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:20,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:20,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:20,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:20,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:20,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:20,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:20,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:20,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:20,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:20,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:20,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:20,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:20,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:20,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:20,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:20,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:20,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:20,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:20,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:20,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:20,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:20,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:20,234 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_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52de5146a3a24866d31d2076a85235f80d04004402c35cfcf3c3304704a7fec0 [2023-11-19 04:00:20,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:20,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:20,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:20,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:20,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:20,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c [2023-11-19 04:00:24,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:24,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:24,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c [2023-11-19 04:00:24,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/data/257121654/25e7abac3a4a4f23a9658000f8eb4e6d/FLAGe101e2979 [2023-11-19 04:00:24,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/data/257121654/25e7abac3a4a4f23a9658000f8eb4e6d [2023-11-19 04:00:24,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:24,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:24,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:24,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:24,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:24,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:24" (1/1) ... [2023-11-19 04:00:24,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4648fb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:24, skipping insertion in model container [2023-11-19 04:00:24,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:24" (1/1) ... [2023-11-19 04:00:24,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:24,890 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c[914,927] [2023-11-19 04:00:24,974 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c[7115,7128] [2023-11-19 04:00:25,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:25,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:25,084 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c[914,927] [2023-11-19 04:00:25,107 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-1.c[7115,7128] [2023-11-19 04:00:25,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:25,176 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:25,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25 WrapperNode [2023-11-19 04:00:25,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:25,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:25,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:25,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:25,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,259 INFO L138 Inliner]: procedures = 63, calls = 72, calls flagged for inlining = 32, calls inlined = 32, statements flattened = 650 [2023-11-19 04:00:25,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:25,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:25,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:25,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:25,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:25,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:25,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:25,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:25,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:25,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:25,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bffba265-099f-4db4-af73-57d149e427a5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 04:00:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 04:00:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 04:00:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 04:00:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 04:00:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 04:00:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 04:00:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 04:00:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 04:00:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 04:00:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 04:00:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 04:00:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 04:00:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 04:00:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 04:00:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 04:00:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 04:00:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 04:00:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 04:00:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 04:00:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 04:00:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 04:00:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 04:00:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 04:00:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 04:00:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 04:00:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 04:00:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 04:00:25,562 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:25,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:26,375 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:26,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:26,775 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:00:26,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:26 BoogieIcfgContainer [2023-11-19 04:00:26,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:26,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:26,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:26,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:26,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:26" (1/1) ... [2023-11-19 04:00:26,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 189 states and 273 transitions. [2023-11-19 04:00:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 273 transitions. [2023-11-19 04:00:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:00:26,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 194 states and 276 transitions. [2023-11-19 04:00:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 276 transitions. [2023-11-19 04:00:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:00:27,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 200 states and 287 transitions. [2023-11-19 04:00:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 287 transitions. [2023-11-19 04:00:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:28,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 210 states and 307 transitions. [2023-11-19 04:00:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 307 transitions. [2023-11-19 04:00:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:00:29,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 222 states and 330 transitions. [2023-11-19 04:00:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 330 transitions. [2023-11-19 04:00:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 240 states and 364 transitions. [2023-11-19 04:00:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 364 transitions. [2023-11-19 04:00:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 241 states and 364 transitions. [2023-11-19 04:00:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 364 transitions. [2023-11-19 04:00:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 242 states and 364 transitions. [2023-11-19 04:00:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 364 transitions. [2023-11-19 04:00:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 243 states and 364 transitions. [2023-11-19 04:00:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 364 transitions. [2023-11-19 04:00:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 244 states and 364 transitions. [2023-11-19 04:00:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 364 transitions. [2023-11-19 04:00:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:30,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 259 states and 397 transitions. [2023-11-19 04:00:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 397 transitions. [2023-11-19 04:00:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:31,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 260 states and 397 transitions. [2023-11-19 04:00:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 397 transitions. [2023-11-19 04:00:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:31,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 261 states and 397 transitions. [2023-11-19 04:00:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 397 transitions. [2023-11-19 04:00:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:31,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 270 states and 418 transitions. [2023-11-19 04:00:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 418 transitions. [2023-11-19 04:00:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:32,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 271 states and 418 transitions. [2023-11-19 04:00:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 418 transitions. [2023-11-19 04:00:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:32,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 279 states and 432 transitions. [2023-11-19 04:00:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 432 transitions. [2023-11-19 04:00:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:00:33,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 279 states and 431 transitions. [2023-11-19 04:00:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 431 transitions. [2023-11-19 04:00:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:00:33,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 283 states and 437 transitions. [2023-11-19 04:00:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 437 transitions. [2023-11-19 04:00:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:00:33,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 291 states and 453 transitions. [2023-11-19 04:00:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 453 transitions. [2023-11-19 04:00:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:00:34,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 298 states and 463 transitions. [2023-11-19 04:00:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 463 transitions. [2023-11-19 04:00:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:00:34,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:00:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 299 states and 466 transitions. [2023-11-19 04:00:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 466 transitions. [2023-11-19 04:00:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:00:35,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 309 states and 488 transitions. [2023-11-19 04:00:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 488 transitions. [2023-11-19 04:00:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:00:36,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:00:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 310 states and 489 transitions. [2023-11-19 04:00:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 489 transitions. [2023-11-19 04:00:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:00:36,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 332 states and 533 transitions. [2023-11-19 04:00:40,515 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 533 transitions. [2023-11-19 04:00:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:00:40,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:00:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 336 states and 538 transitions. [2023-11-19 04:00:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 538 transitions. [2023-11-19 04:00:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:00:40,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 336 states and 536 transitions. [2023-11-19 04:00:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 536 transitions. [2023-11-19 04:00:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:00:41,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:41,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 343 states and 553 transitions. [2023-11-19 04:00:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 553 transitions. [2023-11-19 04:00:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:00:42,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 356 states and 579 transitions. [2023-11-19 04:00:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-11-19 04:00:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:00:46,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:00:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 355 states and 576 transitions. [2023-11-19 04:00:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 576 transitions. [2023-11-19 04:00:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:00:48,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 380 states and 633 transitions. [2023-11-19 04:00:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 633 transitions. [2023-11-19 04:00:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:00:53,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:00:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 386 states and 651 transitions. [2023-11-19 04:00:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 651 transitions. [2023-11-19 04:00:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:00:56,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 398 states and 692 transitions. [2023-11-19 04:01:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 692 transitions. [2023-11-19 04:01:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:02,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 401 states and 698 transitions. [2023-11-19 04:01:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 698 transitions. [2023-11-19 04:01:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:03,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 402 states and 701 transitions. [2023-11-19 04:01:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 701 transitions. [2023-11-19 04:01:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:04,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 403 states and 703 transitions. [2023-11-19 04:01:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 703 transitions. [2023-11-19 04:01:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:04,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 405 states and 706 transitions. [2023-11-19 04:01:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 706 transitions. [2023-11-19 04:01:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:05,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 406 states and 708 transitions. [2023-11-19 04:01:05,594 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 708 transitions. [2023-11-19 04:01:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:05,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 409 states and 714 transitions. [2023-11-19 04:01:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 714 transitions. [2023-11-19 04:01:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:06,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 412 states and 714 transitions. [2023-11-19 04:01:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 714 transitions. [2023-11-19 04:01:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:08,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 412 states and 708 transitions. [2023-11-19 04:01:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 708 transitions. [2023-11-19 04:01:09,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:09,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 412 states and 704 transitions. [2023-11-19 04:01:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 704 transitions. [2023-11-19 04:01:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:01:09,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.