./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/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 0a12aada2256a7483e8803a0f1fb8477c858b141679e1395c89cdfba20292c4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:11,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:12,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:18:12,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:12,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:12,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:12,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:12,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:12,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:12,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:12,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:12,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:12,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:12,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:12,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:12,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:12,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:12,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:12,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:12,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:12,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:12,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:12,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:12,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:12,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:12,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:12,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:12,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:12,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:12,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:12,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:12,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:12,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:12,131 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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a12aada2256a7483e8803a0f1fb8477c858b141679e1395c89cdfba20292c4b [2023-11-24 22:18:12,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:12,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:12,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:12,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:12,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:12,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c [2023-11-24 22:18:15,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:16,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:16,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c [2023-11-24 22:18:16,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/data/2bffba2f9/479addf7fb7a4238857d2c04612452e4/FLAG656f3ae33 [2023-11-24 22:18:16,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/data/2bffba2f9/479addf7fb7a4238857d2c04612452e4 [2023-11-24 22:18:16,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:16,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:16,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:16,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:16,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:16,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa7b605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16, skipping insertion in model container [2023-11-24 22:18:16,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:16,560 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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[911,924] [2023-11-24 22:18:16,622 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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[8416,8429] [2023-11-24 22:18:16,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:16,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:16,742 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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[911,924] [2023-11-24 22:18:16,766 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_cb521b2b-4aa8-4d2c-bd18-16b59168db53/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[8416,8429] [2023-11-24 22:18:16,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:16,847 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:16,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16 WrapperNode [2023-11-24 22:18:16,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:16,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:16,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:16,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:16,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,928 INFO L138 Inliner]: procedures = 67, calls = 80, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 754 [2023-11-24 22:18:16,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:16,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:16,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:16,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:16,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:16,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:16,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:16,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:16,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:17,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:17,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb521b2b-4aa8-4d2c-bd18-16b59168db53/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:18:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 22:18:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 22:18:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:18:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:18:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:18:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:18:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 22:18:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 22:18:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:18:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:18:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:18:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:18:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 22:18:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 22:18:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 22:18:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 22:18:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 22:18:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 22:18:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:18:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:18:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:18:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:18:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 22:18:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 22:18:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:18:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:18:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 22:18:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 22:18:17,219 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:17,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:18,012 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2023-11-24 22:18:18,013 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 22:18:18,108 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:18,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:18,566 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-24 22:18:18,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:18 BoogieIcfgContainer [2023-11-24 22:18:18,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:18,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:18,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:18,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:18,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 214 states and 314 transitions. [2023-11-24 22:18:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 314 transitions. [2023-11-24 22:18:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:18:18,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,144 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 22:18:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 219 states and 319 transitions. [2023-11-24 22:18:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 319 transitions. [2023-11-24 22:18:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:18:19,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,599 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 22:18:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:19,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 225 states and 330 transitions. [2023-11-24 22:18:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 330 transitions. [2023-11-24 22:18:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:18:19,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:20,241 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 22:18:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 238 states and 355 transitions. [2023-11-24 22:18:21,610 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2023-11-24 22:18:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:18:21,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:21,735 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 22:18:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 237 states and 350 transitions. [2023-11-24 22:18:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 350 transitions. [2023-11-24 22:18:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:18:22,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:22,943 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 22:18:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 247 states and 369 transitions. [2023-11-24 22:18:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 369 transitions. [2023-11-24 22:18:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:23,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:23,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:23,363 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 22:18:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 250 states and 375 transitions. [2023-11-24 22:18:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 375 transitions. [2023-11-24 22:18:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:18:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:23,502 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 22:18:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 258 states and 388 transitions. [2023-11-24 22:18:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 388 transitions. [2023-11-24 22:18:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:23,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:23,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,065 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 22:18:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 278 states and 426 transitions. [2023-11-24 22:18:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2023-11-24 22:18:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:24,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,415 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 22:18:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 279 states and 426 transitions. [2023-11-24 22:18:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 426 transitions. [2023-11-24 22:18:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,604 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 22:18:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 280 states and 426 transitions. [2023-11-24 22:18:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 426 transitions. [2023-11-24 22:18:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:24,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,724 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 22:18:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 281 states and 426 transitions. [2023-11-24 22:18:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 426 transitions. [2023-11-24 22:18:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:24,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,856 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 22:18:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 282 states and 426 transitions. [2023-11-24 22:18:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 426 transitions. [2023-11-24 22:18:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:24,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:25,060 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 22:18:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 283 states and 426 transitions. [2023-11-24 22:18:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 426 transitions. [2023-11-24 22:18:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:25,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:25,311 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 22:18:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 301 states and 465 transitions. [2023-11-24 22:18:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 465 transitions. [2023-11-24 22:18:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:25,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:25,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:25,962 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 22:18:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 302 states and 465 transitions. [2023-11-24 22:18:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 465 transitions. [2023-11-24 22:18:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:25,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:25,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:26,130 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 22:18:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 303 states and 465 transitions. [2023-11-24 22:18:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 465 transitions. [2023-11-24 22:18:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:26,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:26,244 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 22:18:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 304 states and 465 transitions. [2023-11-24 22:18:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 465 transitions. [2023-11-24 22:18:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:26,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:26,489 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 22:18:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 316 states and 492 transitions. [2023-11-24 22:18:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 492 transitions. [2023-11-24 22:18:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:27,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:27,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:27,232 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 22:18:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 317 states and 492 transitions. [2023-11-24 22:18:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 492 transitions. [2023-11-24 22:18:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:27,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:27,371 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 22:18:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 318 states and 492 transitions. [2023-11-24 22:18:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 492 transitions. [2023-11-24 22:18:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:27,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:27,631 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 22:18:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 327 states and 513 transitions. [2023-11-24 22:18:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 513 transitions. [2023-11-24 22:18:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:18:28,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,460 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 22:18:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 335 states and 527 transitions. [2023-11-24 22:18:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 527 transitions. [2023-11-24 22:18:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:18:28,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:29,553 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 22:18:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 349 states and 562 transitions. [2023-11-24 22:18:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 562 transitions. [2023-11-24 22:18:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:18:34,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:34,435 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 22:18:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 354 states and 568 transitions. [2023-11-24 22:18:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 568 transitions. [2023-11-24 22:18:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:18:37,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:37,076 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 22:18:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 353 states and 564 transitions. [2023-11-24 22:18:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 564 transitions. [2023-11-24 22:18:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:18:38,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:38,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:38,663 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 22:18:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 355 states and 568 transitions. [2023-11-24 22:18:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 568 transitions. [2023-11-24 22:18:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:39,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:39,703 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 22:18:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 357 states and 571 transitions. [2023-11-24 22:18:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 571 transitions. [2023-11-24 22:18:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:39,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:39,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:39,870 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 22:18:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 360 states and 576 transitions. [2023-11-24 22:18:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 576 transitions. [2023-11-24 22:18:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:18:39,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:39,980 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 22:18:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 369 states and 592 transitions. [2023-11-24 22:18:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 592 transitions. [2023-11-24 22:18:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:18:41,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:41,836 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 22:18:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 374 states and 599 transitions. [2023-11-24 22:18:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 599 transitions. [2023-11-24 22:18:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:18:42,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:42,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 376 states and 602 transitions. [2023-11-24 22:18:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 602 transitions. [2023-11-24 22:18:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:18:42,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:18:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 381 states and 610 transitions. [2023-11-24 22:18:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 610 transitions. [2023-11-24 22:18:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:18:43,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:43,098 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 22:18:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 384 states and 616 transitions. [2023-11-24 22:18:43,131 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 616 transitions. [2023-11-24 22:18:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:18:43,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 393 states and 632 transitions. [2023-11-24 22:18:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 632 transitions. [2023-11-24 22:18:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:18:44,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:44,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:18:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 393 states and 630 transitions. [2023-11-24 22:18:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 630 transitions. [2023-11-24 22:18:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:18:44,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:44,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:45,277 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 22:18:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 421 states and 695 transitions. [2023-11-24 22:18:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 695 transitions. [2023-11-24 22:18:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:18:50,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:50,933 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 22:18:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 427 states and 715 transitions. [2023-11-24 22:18:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 715 transitions. [2023-11-24 22:18:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:18:55,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:55,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:55,138 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 22:18:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 430 states and 721 transitions. [2023-11-24 22:18:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 721 transitions. [2023-11-24 22:18:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:18:56,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.