./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/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_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/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_fe5c742c-20c7-4dca-9974-f9dd028bb528/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 37139db5f2012b0b7a96ab437e26855d856636bc4064d013c0b416905ff6e54c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:30,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:30,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:17:30,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:30,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:30,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:30,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:30,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:30,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:30,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:30,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:30,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:30,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:30,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:30,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:30,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:30,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:30,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:30,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:30,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:30,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:30,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:30,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:30,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:30,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:30,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:30,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:30,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:30,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:30,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:30,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:30,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:30,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:30,446 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37139db5f2012b0b7a96ab437e26855d856636bc4064d013c0b416905ff6e54c [2023-11-24 22:17:30,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:30,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:30,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:30,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:30,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:30,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c [2023-11-24 22:17:33,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:34,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:34,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c [2023-11-24 22:17:34,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/data/14edcdfbd/fd8b986a1985474687725620d29bc7f5/FLAG345aa1ff0 [2023-11-24 22:17:34,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/data/14edcdfbd/fd8b986a1985474687725620d29bc7f5 [2023-11-24 22:17:34,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:34,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:34,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:34,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:34,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:34,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f9782e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34, skipping insertion in model container [2023-11-24 22:17:34,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:34,488 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c[911,924] [2023-11-24 22:17:34,552 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c[8416,8429] [2023-11-24 22:17:34,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:34,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:34,666 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c[911,924] [2023-11-24 22:17:34,706 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_fe5c742c-20c7-4dca-9974-f9dd028bb528/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-1.c[8416,8429] [2023-11-24 22:17:34,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:34,767 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:34,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34 WrapperNode [2023-11-24 22:17:34,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:34,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:34,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:34,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:34,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,854 INFO L138 Inliner]: procedures = 63, calls = 73, calls flagged for inlining = 32, calls inlined = 32, statements flattened = 628 [2023-11-24 22:17:34,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:34,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:34,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:34,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:34,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:34,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:34,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:34,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:34,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:34" (1/1) ... [2023-11-24 22:17:34,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:35,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:35,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5c742c-20c7-4dca-9974-f9dd028bb528/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:17:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:17:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 22:17:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 22:17:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:17:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:17:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:17:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:17:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 22:17:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 22:17:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:17:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:17:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:17:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:17:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 22:17:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 22:17:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 22:17:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 22:17:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 22:17:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 22:17:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:17:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:17:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:17:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:17:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 22:17:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 22:17:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:17:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:17:35,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:35,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:35,878 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2023-11-24 22:17:35,878 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2023-11-24 22:17:35,978 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:36,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:36,421 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-24 22:17:36,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:36 BoogieIcfgContainer [2023-11-24 22:17:36,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:36,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:36,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:36,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:36,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:36" (1/1) ... [2023-11-24 22:17:36,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 184 states and 266 transitions. [2023-11-24 22:17:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 266 transitions. [2023-11-24 22:17:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:17:36,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:36,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:37,034 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 22:17:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 189 states and 271 transitions. [2023-11-24 22:17:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 271 transitions. [2023-11-24 22:17:37,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:17:37,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:37,379 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 22:17:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 195 states and 279 transitions. [2023-11-24 22:17:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 279 transitions. [2023-11-24 22:17:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:17:37,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:37,635 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 22:17:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 201 states and 290 transitions. [2023-11-24 22:17:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 290 transitions. [2023-11-24 22:17:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,016 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 22:17:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 216 states and 318 transitions. [2023-11-24 22:17:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 318 transitions. [2023-11-24 22:17:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,204 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 22:17:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 217 states and 318 transitions. [2023-11-24 22:17:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 318 transitions. [2023-11-24 22:17:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,326 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 22:17:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 218 states and 318 transitions. [2023-11-24 22:17:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 318 transitions. [2023-11-24 22:17:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,427 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 22:17:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 219 states and 318 transitions. [2023-11-24 22:17:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2023-11-24 22:17:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,554 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 22:17:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 231 states and 345 transitions. [2023-11-24 22:17:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 345 transitions. [2023-11-24 22:17:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,894 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 22:17:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 232 states and 345 transitions. [2023-11-24 22:17:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 345 transitions. [2023-11-24 22:17:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:38,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,051 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 22:17:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 360 transitions. [2023-11-24 22:17:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 360 transitions. [2023-11-24 22:17:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:17:39,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,425 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 22:17:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 246 states and 374 transitions. [2023-11-24 22:17:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 374 transitions. [2023-11-24 22:17:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:17:39,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,766 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 22:17:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 249 states and 378 transitions. [2023-11-24 22:17:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 378 transitions. [2023-11-24 22:17:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:17:39,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,317 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 22:17:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 255 states and 389 transitions. [2023-11-24 22:17:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 389 transitions. [2023-11-24 22:17:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:42,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:42,216 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 22:17:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 265 states and 408 transitions. [2023-11-24 22:17:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 408 transitions. [2023-11-24 22:17:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:17:42,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:42,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:42,595 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 22:17:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 268 states and 414 transitions. [2023-11-24 22:17:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 414 transitions. [2023-11-24 22:17:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:17:42,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:42,680 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 22:17:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 276 states and 427 transitions. [2023-11-24 22:17:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 427 transitions. [2023-11-24 22:17:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:43,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:43,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 284 states and 442 transitions. [2023-11-24 22:17:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 442 transitions. [2023-11-24 22:17:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:17:47,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:47,358 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 22:17:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 286 states and 446 transitions. [2023-11-24 22:17:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 446 transitions. [2023-11-24 22:17:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:47,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 308 states and 497 transitions. [2023-11-24 22:17:51,718 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 497 transitions. [2023-11-24 22:17:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:51,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:51,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 317 states and 525 transitions. [2023-11-24 22:17:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 525 transitions. [2023-11-24 22:17:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:54,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:54,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 323 states and 539 transitions. [2023-11-24 22:17:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 539 transitions. [2023-11-24 22:17:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:56,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:56,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 324 states and 541 transitions. [2023-11-24 22:17:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 541 transitions. [2023-11-24 22:17:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:56,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 323 states and 530 transitions. [2023-11-24 22:17:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 530 transitions. [2023-11-24 22:17:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:57,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 324 states and 532 transitions. [2023-11-24 22:17:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 532 transitions. [2023-11-24 22:17:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:17:57,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 324 states and 528 transitions. [2023-11-24 22:17:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 528 transitions. [2023-11-24 22:17:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:58,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 322 states and 524 transitions. [2023-11-24 22:17:58,505 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 524 transitions. [2023-11-24 22:17:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:58,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 323 states and 525 transitions. [2023-11-24 22:17:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 525 transitions. [2023-11-24 22:17:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:58,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 324 states and 526 transitions. [2023-11-24 22:17:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 526 transitions. [2023-11-24 22:17:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:59,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:59,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:59,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 315 states and 508 transitions. [2023-11-24 22:17:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 508 transitions. [2023-11-24 22:17:59,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:17:59,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 318 states and 513 transitions. [2023-11-24 22:17:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 513 transitions. [2023-11-24 22:17:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:17:59,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:59,542 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 22:17:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 320 states and 516 transitions. [2023-11-24 22:17:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 516 transitions. [2023-11-24 22:17:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:17:59,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:59,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:18:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 342 states and 571 transitions. [2023-11-24 22:18:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 571 transitions. [2023-11-24 22:18:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:18:06,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 347 states and 582 transitions. [2023-11-24 22:18:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 582 transitions. [2023-11-24 22:18:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:18:07,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 350 states and 588 transitions. [2023-11-24 22:18:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 588 transitions. [2023-11-24 22:18:08,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:18:08,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:08,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:08,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 352 states and 593 transitions. [2023-11-24 22:18:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 593 transitions. [2023-11-24 22:18:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:18:08,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 353 states and 595 transitions. [2023-11-24 22:18:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 595 transitions. [2023-11-24 22:18:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:18:09,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:09,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:09,199 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 22:18:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 358 states and 602 transitions. [2023-11-24 22:18:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 602 transitions. [2023-11-24 22:18:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:18:09,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:09,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:09,572 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 22:18:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 365 states and 615 transitions. [2023-11-24 22:18:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 615 transitions. [2023-11-24 22:18:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:18:10,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:10,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 363 states and 610 transitions. [2023-11-24 22:18:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 610 transitions. [2023-11-24 22:18:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:18:10,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 364 states and 611 transitions. [2023-11-24 22:18:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 611 transitions. [2023-11-24 22:18:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:18:11,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:11,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 365 states and 612 transitions. [2023-11-24 22:18:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 612 transitions. [2023-11-24 22:18:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:18:11,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 356 states and 594 transitions. [2023-11-24 22:18:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 594 transitions. [2023-11-24 22:18:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:11,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:11,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:18:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 381 states and 654 transitions. [2023-11-24 22:18:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 654 transitions. [2023-11-24 22:18:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:21,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 383 states and 659 transitions. [2023-11-24 22:18:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 659 transitions. [2023-11-24 22:18:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:21,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.