./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi --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 6d6da8f3ee43e0b2f144002fad1e1be3bc4062b8e0f7b0d6768d1ce0f0c5101f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:42,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:43,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:55:43,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:43,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:43,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:43,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:43,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:43,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:43,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:43,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:43,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:43,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:43,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:43,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:43,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:43,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:43,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:43,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:43,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:43,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:43,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:43,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:43,068 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:43,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:43,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:43,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:43,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:43,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:43,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:43,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:43,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:43,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:43,073 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_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6da8f3ee43e0b2f144002fad1e1be3bc4062b8e0f7b0d6768d1ce0f0c5101f [2023-11-24 22:55:43,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:43,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:43,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:43,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:43,453 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:43,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c [2023-11-24 22:55:46,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:47,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:47,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c [2023-11-24 22:55:47,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/data/233b0edb5/538c32fcf7e54e48b77c90c937934ee6/FLAGcb58d01dc [2023-11-24 22:55:47,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/data/233b0edb5/538c32fcf7e54e48b77c90c937934ee6 [2023-11-24 22:55:47,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:47,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:47,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:47,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:47,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:47,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:47,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b4afa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47, skipping insertion in model container [2023-11-24 22:55:47,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:47,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:47,830 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_ea8d0500-1387-4339-a9e2-2583f9aea1a7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c[914,927] [2023-11-24 22:55:47,917 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_ea8d0500-1387-4339-a9e2-2583f9aea1a7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c[7115,7128] [2023-11-24 22:55:48,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:48,078 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:48,096 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_ea8d0500-1387-4339-a9e2-2583f9aea1a7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c[914,927] [2023-11-24 22:55:48,135 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_ea8d0500-1387-4339-a9e2-2583f9aea1a7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-1.c[7115,7128] [2023-11-24 22:55:48,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:48,240 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:48,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48 WrapperNode [2023-11-24 22:55:48,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:48,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:48,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:48,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:48,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,362 INFO L138 Inliner]: procedures = 73, calls = 88, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 956 [2023-11-24 22:55:48,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:48,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:48,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:48,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:48,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:48,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:48,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:48,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:48,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:48,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:48,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:48,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea8d0500-1387-4339-a9e2-2583f9aea1a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:55:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:55:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 22:55:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 22:55:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:55:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:55:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:55:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:55:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 22:55:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 22:55:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:55:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:55:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:55:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:55:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 22:55:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 22:55:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 22:55:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 22:55:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 22:55:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 22:55:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:55:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:55:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:55:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:55:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 22:55:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 22:55:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:55:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:55:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 22:55:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 22:55:48,755 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:48,757 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:49,875 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:50,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:50,573 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-24 22:55:50,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:50 BoogieIcfgContainer [2023-11-24 22:55:50,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:50,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:50,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:50,589 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:50,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:50" (1/1) ... [2023-11-24 22:55:50,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 255 states and 378 transitions. [2023-11-24 22:55:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 378 transitions. [2023-11-24 22:55:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:55:50,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 267 states and 395 transitions. [2023-11-24 22:55:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 395 transitions. [2023-11-24 22:55:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:55:51,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:51,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 392 transitions. [2023-11-24 22:55:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions. [2023-11-24 22:55:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:55:53,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 276 states and 412 transitions. [2023-11-24 22:55:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 412 transitions. [2023-11-24 22:55:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:53,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 288 states and 435 transitions. [2023-11-24 22:55:54,970 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 435 transitions. [2023-11-24 22:55:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:55:54,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 288 states and 434 transitions. [2023-11-24 22:55:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 434 transitions. [2023-11-24 22:55:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:55:55,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 298 states and 448 transitions. [2023-11-24 22:55:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 448 transitions. [2023-11-24 22:55:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:55:56,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 306 states and 464 transitions. [2023-11-24 22:55:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 464 transitions. [2023-11-24 22:55:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:55:56,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 313 states and 474 transitions. [2023-11-24 22:55:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 474 transitions. [2023-11-24 22:55:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:57,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:55:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 314 states and 477 transitions. [2023-11-24 22:55:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 477 transitions. [2023-11-24 22:55:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:58,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 324 states and 499 transitions. [2023-11-24 22:55:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 499 transitions. [2023-11-24 22:55:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:55:59,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:55:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 325 states and 500 transitions. [2023-11-24 22:55:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 500 transitions. [2023-11-24 22:55:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:55:59,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 347 states and 544 transitions. [2023-11-24 22:56:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 544 transitions. [2023-11-24 22:56:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:56:03,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:56:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 351 states and 549 transitions. [2023-11-24 22:56:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 549 transitions. [2023-11-24 22:56:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:56:03,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 351 states and 547 transitions. [2023-11-24 22:56:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 547 transitions. [2023-11-24 22:56:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:56:04,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 358 states and 564 transitions. [2023-11-24 22:56:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 564 transitions. [2023-11-24 22:56:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:56:05,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 371 states and 591 transitions. [2023-11-24 22:56:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 591 transitions. [2023-11-24 22:56:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:56:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 370 states and 588 transitions. [2023-11-24 22:56:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 588 transitions. [2023-11-24 22:56:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:12,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 378 states and 605 transitions. [2023-11-24 22:56:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 605 transitions. [2023-11-24 22:56:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:14,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 379 states and 607 transitions. [2023-11-24 22:56:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 607 transitions. [2023-11-24 22:56:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:15,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 386 states and 631 transitions. [2023-11-24 22:56:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 631 transitions. [2023-11-24 22:56:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:16,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 388 states and 636 transitions. [2023-11-24 22:56:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 636 transitions. [2023-11-24 22:56:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:16,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:56:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 393 states and 644 transitions. [2023-11-24 22:56:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 644 transitions. [2023-11-24 22:56:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:17,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:17,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 394 states and 647 transitions. [2023-11-24 22:56:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 647 transitions. [2023-11-24 22:56:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:17,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:17,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 399 states and 659 transitions. [2023-11-24 22:56:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 659 transitions. [2023-11-24 22:56:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:18,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:18,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 401 states and 662 transitions. [2023-11-24 22:56:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 662 transitions. [2023-11-24 22:56:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:19,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 408 states and 677 transitions. [2023-11-24 22:56:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 677 transitions. [2023-11-24 22:56:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:20,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 410 states and 680 transitions. [2023-11-24 22:56:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 680 transitions. [2023-11-24 22:56:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:22,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 416 states and 697 transitions. [2023-11-24 22:56:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 697 transitions. [2023-11-24 22:56:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:24,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 422 states and 708 transitions. [2023-11-24 22:56:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 708 transitions. [2023-11-24 22:56:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:56:25,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 432 states and 732 transitions. [2023-11-24 22:56:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 732 transitions. [2023-11-24 22:56:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:56:26,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 438 states and 743 transitions. [2023-11-24 22:56:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 743 transitions. [2023-11-24 22:56:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:56:27,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:27,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 440 states and 747 transitions. [2023-11-24 22:56:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 747 transitions. [2023-11-24 22:56:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:28,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:28,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 472 states and 809 transitions. [2023-11-24 22:56:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 809 transitions. [2023-11-24 22:56:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:29,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 473 states and 809 transitions. [2023-11-24 22:56:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 809 transitions. [2023-11-24 22:56:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:29,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 474 states and 809 transitions. [2023-11-24 22:56:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 809 transitions. [2023-11-24 22:56:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:29,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 475 states and 809 transitions. [2023-11-24 22:56:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 809 transitions. [2023-11-24 22:56:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:29,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 476 states and 809 transitions. [2023-11-24 22:56:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 809 transitions. [2023-11-24 22:56:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:30,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 477 states and 809 transitions. [2023-11-24 22:56:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 809 transitions. [2023-11-24 22:56:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:30,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat