./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41c8a8bc6e14c971558b90999312edb800c79ff966f34c4894803ada36cfe43c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:56,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:56,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:04:56,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:56,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:56,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:56,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:56,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:56,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:56,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:56,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:56,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:56,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:56,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:56,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:56,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:56,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:56,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:56,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:56,352 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:56,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:56,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:56,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:56,355 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:56,356 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:56,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:56,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:56,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:56,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:56,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:56,359 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:56,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:56,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:56,361 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_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41c8a8bc6e14c971558b90999312edb800c79ff966f34c4894803ada36cfe43c [2023-11-19 03:04:56,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:56,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:56,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:56,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:56,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:56,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c [2023-11-19 03:04:59,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:00,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:00,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c [2023-11-19 03:05:00,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/data/b5557b6ac/c7d6de3f262144fca47650c568d5ed56/FLAGf2d7e93b2 [2023-11-19 03:05:00,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/data/b5557b6ac/c7d6de3f262144fca47650c568d5ed56 [2023-11-19 03:05:00,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:00,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:00,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:00,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:00,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:00,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204dfb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00, skipping insertion in model container [2023-11-19 03:05:00,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:00,543 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_2b5277e4-0461-4f81-811b-644af30c4b35/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c[911,924] [2023-11-19 03:05:00,603 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_2b5277e4-0461-4f81-811b-644af30c4b35/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c[8416,8429] [2023-11-19 03:05:00,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:00,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:00,684 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_2b5277e4-0461-4f81-811b-644af30c4b35/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c[911,924] [2023-11-19 03:05:00,716 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_2b5277e4-0461-4f81-811b-644af30c4b35/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c[8416,8429] [2023-11-19 03:05:00,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:00,761 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:00,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00 WrapperNode [2023-11-19 03:05:00,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:00,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:00,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:00,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:00,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,849 INFO L138 Inliner]: procedures = 57, calls = 65, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 454 [2023-11-19 03:05:00,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:00,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:00,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:00,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:00,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:00,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:00,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:00,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:00,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:00,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:00,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:00,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5277e4-0461-4f81-811b-644af30c4b35/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:05:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:05:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 03:05:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 03:05:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 03:05:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 03:05:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 03:05:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 03:05:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 03:05:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 03:05:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 03:05:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 03:05:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 03:05:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 03:05:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 03:05:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 03:05:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 03:05:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 03:05:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 03:05:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 03:05:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 03:05:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 03:05:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 03:05:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 03:05:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 03:05:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 03:05:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 03:05:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 03:05:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 03:05:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 03:05:01,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:01,127 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:01,694 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2023-11-19 03:05:01,695 INFO L767 $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; [2023-11-19 03:05:01,754 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:01,948 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:01,949 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:05:01,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:01 BoogieIcfgContainer [2023-11-19 03:05:01,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:01,960 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:01,960 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:01,970 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:01,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 154 states and 219 transitions. [2023-11-19 03:05:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 219 transitions. [2023-11-19 03:05:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:05:02,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 159 states and 227 transitions. [2023-11-19 03:05:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 227 transitions. [2023-11-19 03:05:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:05:02,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:02,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 167 states and 241 transitions. [2023-11-19 03:05:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 241 transitions. [2023-11-19 03:05:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:02,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:03,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 180 states and 270 transitions. [2023-11-19 03:05:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 270 transitions. [2023-11-19 03:05:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:03,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 179 states and 267 transitions. [2023-11-19 03:05:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2023-11-19 03:05:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:04,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 180 states and 269 transitions. [2023-11-19 03:05:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2023-11-19 03:05:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:05:04,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 185 states and 274 transitions. [2023-11-19 03:05:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 274 transitions. [2023-11-19 03:05:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:05:04,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 182 states and 266 transitions. [2023-11-19 03:05:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 266 transitions. [2023-11-19 03:05:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:05:04,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 188 states and 277 transitions. [2023-11-19 03:05:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 277 transitions. [2023-11-19 03:05:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:05:05,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 201 states and 307 transitions. [2023-11-19 03:05:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 307 transitions. [2023-11-19 03:05:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:05:07,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 203 states and 313 transitions. [2023-11-19 03:05:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 313 transitions. [2023-11-19 03:05:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:05:08,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 204 states and 315 transitions. [2023-11-19 03:05:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 315 transitions. [2023-11-19 03:05:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:05:08,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 217 states and 340 transitions. [2023-11-19 03:05:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 340 transitions. [2023-11-19 03:05:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:05:11,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:11,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 216 states and 335 transitions. [2023-11-19 03:05:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 335 transitions. [2023-11-19 03:05:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:05:12,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 213 states and 326 transitions. [2023-11-19 03:05:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 326 transitions. [2023-11-19 03:05:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:05:13,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 223 states and 345 transitions. [2023-11-19 03:05:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 345 transitions. [2023-11-19 03:05:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:05:13,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 227 states and 351 transitions. [2023-11-19 03:05:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 351 transitions. [2023-11-19 03:05:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:05:13,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 227 states and 350 transitions. [2023-11-19 03:05:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 350 transitions. [2023-11-19 03:05:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:05:13,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 229 states and 354 transitions. [2023-11-19 03:05:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 354 transitions. [2023-11-19 03:05:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:05:14,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:14,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 232 states and 360 transitions. [2023-11-19 03:05:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 360 transitions. [2023-11-19 03:05:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:05:14,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:14,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 243 states and 378 transitions. [2023-11-19 03:05:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 378 transitions. [2023-11-19 03:05:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:05:15,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 251 states and 391 transitions. [2023-11-19 03:05:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 391 transitions. [2023-11-19 03:05:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:15,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:15,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 265 states and 426 transitions. [2023-11-19 03:05:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 426 transitions. [2023-11-19 03:05:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:21,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:21,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 270 states and 432 transitions. [2023-11-19 03:05:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 432 transitions. [2023-11-19 03:05:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:24,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 269 states and 428 transitions. [2023-11-19 03:05:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 428 transitions. [2023-11-19 03:05:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:25,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:05:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 273 states and 435 transitions. [2023-11-19 03:05:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 435 transitions. [2023-11-19 03:05:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:05:25,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 275 states and 439 transitions. [2023-11-19 03:05:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 439 transitions. [2023-11-19 03:05:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:27,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:05:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 277 states and 442 transitions. [2023-11-19 03:05:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 442 transitions. [2023-11-19 03:05:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:27,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:05:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 278 states and 443 transitions. [2023-11-19 03:05:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 443 transitions. [2023-11-19 03:05:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:05:27,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 280 states and 446 transitions. [2023-11-19 03:05:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 446 transitions. [2023-11-19 03:05:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:05:27,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 283 states and 451 transitions. [2023-11-19 03:05:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 451 transitions. [2023-11-19 03:05:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:05:27,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 292 states and 467 transitions. [2023-11-19 03:05:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 467 transitions. [2023-11-19 03:05:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:05:29,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:05:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 297 states and 474 transitions. [2023-11-19 03:05:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 474 transitions. [2023-11-19 03:05:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:05:29,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:05:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 299 states and 476 transitions. [2023-11-19 03:05:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 476 transitions. [2023-11-19 03:05:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:30,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:30,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 309 states and 499 transitions. [2023-11-19 03:05:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 499 transitions. [2023-11-19 03:05:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:32,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:32,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 316 states and 515 transitions. [2023-11-19 03:05:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 515 transitions. [2023-11-19 03:05:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:34,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 318 states and 521 transitions. [2023-11-19 03:05:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 521 transitions. [2023-11-19 03:05:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:35,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:35,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 324 states and 537 transitions. [2023-11-19 03:05:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 537 transitions. [2023-11-19 03:05:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:37,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 326 states and 540 transitions. [2023-11-19 03:05:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 540 transitions. [2023-11-19 03:05:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:05:37,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 331 states and 548 transitions. [2023-11-19 03:05:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 548 transitions. [2023-11-19 03:05:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:05:38,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:38,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 331 states and 547 transitions. [2023-11-19 03:05:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 547 transitions. [2023-11-19 03:05:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:05:38,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 327 states and 535 transitions. [2023-11-19 03:05:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 535 transitions. [2023-11-19 03:05:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:05:39,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 330 states and 541 transitions. [2023-11-19 03:05:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 541 transitions. [2023-11-19 03:05:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:05:39,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:05:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 331 states and 541 transitions. [2023-11-19 03:05:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 541 transitions. [2023-11-19 03:05:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:05:39,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 340 states and 557 transitions. [2023-11-19 03:05:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 557 transitions. [2023-11-19 03:05:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:05:41,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 349 states and 573 transitions. [2023-11-19 03:05:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 573 transitions. [2023-11-19 03:05:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:05:43,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:43,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 349 states and 571 transitions. [2023-11-19 03:05:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 571 transitions. [2023-11-19 03:05:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:05:43,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:43,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 351 states and 575 transitions. [2023-11-19 03:05:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 575 transitions. [2023-11-19 03:05:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:05:43,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:43,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 356 states and 587 transitions. [2023-11-19 03:05:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 587 transitions. [2023-11-19 03:05:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:05:45,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:05:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 360 states and 593 transitions. [2023-11-19 03:05:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 593 transitions. [2023-11-19 03:05:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:05:46,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:05:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 362 states and 595 transitions. [2023-11-19 03:05:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 595 transitions. [2023-11-19 03:05:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:05:47,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 367 states and 607 transitions. [2023-11-19 03:05:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 607 transitions. [2023-11-19 03:05:47,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:05:47,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat