./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/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_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/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_03af2312-d62e-40f7-8f39-9979984bb300/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 8067f6f3f9b2e7af84aa5945c9ed2ea4ff7d9ddfc1aa86a10fb4bb83ea8bdef8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:33,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:33,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:33,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:33,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:33,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:33,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:33,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:33,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:33,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:33,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:33,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:33,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:33,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:33,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:33,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:33,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:33,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:33,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:33,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:33,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:33,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:33,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:33,167 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:33,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:33,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:33,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:33,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:33,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:33,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:33,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:33,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:33,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:33,172 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_03af2312-d62e-40f7-8f39-9979984bb300/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8067f6f3f9b2e7af84aa5945c9ed2ea4ff7d9ddfc1aa86a10fb4bb83ea8bdef8 [2023-11-24 22:59:33,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:33,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:33,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:33,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:33,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:33,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c [2023-11-24 22:59:36,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:37,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:37,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c [2023-11-24 22:59:37,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/data/08693cec5/19eea8ee45584b4e9af26f68494db99c/FLAGcfa72eae7 [2023-11-24 22:59:37,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/data/08693cec5/19eea8ee45584b4e9af26f68494db99c [2023-11-24 22:59:37,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:37,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:37,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:37,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:37,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:37,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca09bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37, skipping insertion in model container [2023-11-24 22:59:37,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:37,460 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_03af2312-d62e-40f7-8f39-9979984bb300/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c[911,924] [2023-11-24 22:59:37,587 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_03af2312-d62e-40f7-8f39-9979984bb300/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c[8416,8429] [2023-11-24 22:59:37,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:37,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:37,734 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_03af2312-d62e-40f7-8f39-9979984bb300/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c[911,924] [2023-11-24 22:59:37,755 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_03af2312-d62e-40f7-8f39-9979984bb300/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-2.c[8416,8429] [2023-11-24 22:59:37,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:37,814 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:37,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37 WrapperNode [2023-11-24 22:59:37,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:37,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:37,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:37,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:37,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,915 INFO L138 Inliner]: procedures = 65, calls = 77, calls flagged for inlining = 33, calls inlined = 33, statements flattened = 694 [2023-11-24 22:59:37,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:37,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:37,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:37,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:37,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:37,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:37,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:37,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:37,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:37" (1/1) ... [2023-11-24 22:59:37,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:38,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:38,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03af2312-d62e-40f7-8f39-9979984bb300/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:59:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:59:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 22:59:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 22:59:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:59:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:59:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:59:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:59:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 22:59:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 22:59:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:59:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:59:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:59:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:59:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 22:59:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 22:59:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 22:59:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 22:59:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 22:59:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 22:59:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:59:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:59:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:59:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:59:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 22:59:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 22:59:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:59:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:59:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 22:59:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 22:59:38,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:38,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:39,074 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2023-11-24 22:59:39,076 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 22:59:39,182 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:39,663 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:39,663 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-24 22:59:39,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:39 BoogieIcfgContainer [2023-11-24 22:59:39,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:39,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:39,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:39,678 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:39,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 202 states and 295 transitions. [2023-11-24 22:59:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 295 transitions. [2023-11-24 22:59:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:59:39,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,233 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 22:59:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 207 states and 300 transitions. [2023-11-24 22:59:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2023-11-24 22:59:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:59:40,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,573 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 22:59:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 213 states and 311 transitions. [2023-11-24 22:59:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 311 transitions. [2023-11-24 22:59:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:59:40,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 226 states and 336 transitions. [2023-11-24 22:59:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 336 transitions. [2023-11-24 22:59:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:59:42,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:42,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,461 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 22:59:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 225 states and 331 transitions. [2023-11-24 22:59:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 331 transitions. [2023-11-24 22:59:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:43,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:43,553 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 22:59:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 235 states and 350 transitions. [2023-11-24 22:59:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 350 transitions. [2023-11-24 22:59:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:43,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,086 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 22:59:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 252 states and 382 transitions. [2023-11-24 22:59:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 382 transitions. [2023-11-24 22:59:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:44,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,370 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 22:59:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 253 states and 382 transitions. [2023-11-24 22:59:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 382 transitions. [2023-11-24 22:59:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:44,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,507 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 22:59:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 254 states and 382 transitions. [2023-11-24 22:59:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 382 transitions. [2023-11-24 22:59:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:44,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 255 states and 382 transitions. [2023-11-24 22:59:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 382 transitions. [2023-11-24 22:59:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:44,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,708 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 22:59:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 256 states and 382 transitions. [2023-11-24 22:59:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 382 transitions. [2023-11-24 22:59:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:44,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,919 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 22:59:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 271 states and 415 transitions. [2023-11-24 22:59:45,401 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 415 transitions. [2023-11-24 22:59:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:45,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,483 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 22:59:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 272 states and 415 transitions. [2023-11-24 22:59:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 415 transitions. [2023-11-24 22:59:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:45,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,614 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 22:59:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 273 states and 415 transitions. [2023-11-24 22:59:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 415 transitions. [2023-11-24 22:59:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:45,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,844 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 22:59:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 282 states and 436 transitions. [2023-11-24 22:59:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 436 transitions. [2023-11-24 22:59:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:46,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:46,455 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 22:59:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 283 states and 436 transitions. [2023-11-24 22:59:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 436 transitions. [2023-11-24 22:59:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:59:46,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:46,579 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 22:59:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 291 states and 450 transitions. [2023-11-24 22:59:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 450 transitions. [2023-11-24 22:59:46,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:59:46,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 294 states and 456 transitions. [2023-11-24 22:59:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2023-11-24 22:59:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:59:47,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 302 states and 469 transitions. [2023-11-24 22:59:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 469 transitions. [2023-11-24 22:59:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:59:47,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:48,066 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 22:59:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 316 states and 504 transitions. [2023-11-24 22:59:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 504 transitions. [2023-11-24 22:59:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:59:51,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:51,992 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 22:59:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 321 states and 510 transitions. [2023-11-24 22:59:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 510 transitions. [2023-11-24 22:59:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:59:54,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,210 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 22:59:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 320 states and 506 transitions. [2023-11-24 22:59:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 506 transitions. [2023-11-24 22:59:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:55,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,568 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 22:59:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 322 states and 510 transitions. [2023-11-24 22:59:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 510 transitions. [2023-11-24 22:59:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:59:56,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,472 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 22:59:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 325 states and 515 transitions. [2023-11-24 22:59:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 515 transitions. [2023-11-24 22:59:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:59:56,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,661 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 22:59:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 327 states and 518 transitions. [2023-11-24 22:59:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 518 transitions. [2023-11-24 22:59:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:59:56,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,731 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 22:59:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 332 states and 525 transitions. [2023-11-24 22:59:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 525 transitions. [2023-11-24 22:59:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:59:56,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,015 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 22:59:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 341 states and 541 transitions. [2023-11-24 22:59:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 541 transitions. [2023-11-24 22:59:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:59:58,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:59,232 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 23:00:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 366 states and 598 transitions. [2023-11-24 23:00:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 598 transitions. [2023-11-24 23:00:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:03,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,054 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 23:00:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 372 states and 616 transitions. [2023-11-24 23:00:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 616 transitions. [2023-11-24 23:00:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:07,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:07,599 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 23:00:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 384 states and 655 transitions. [2023-11-24 23:00:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 655 transitions. [2023-11-24 23:00:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:12,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:12,846 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 23:00:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 385 states and 658 transitions. [2023-11-24 23:00:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 658 transitions. [2023-11-24 23:00:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:13,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:13,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:13,568 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 23:00:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 388 states and 664 transitions. [2023-11-24 23:00:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 664 transitions. [2023-11-24 23:00:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:14,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:14,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:14,159 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 23:00:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 393 states and 675 transitions. [2023-11-24 23:00:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 675 transitions. [2023-11-24 23:00:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:15,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,746 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 23:00:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 394 states and 677 transitions. [2023-11-24 23:00:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 677 transitions. [2023-11-24 23:00:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:16,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,341 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 23:00:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 395 states and 679 transitions. [2023-11-24 23:00:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 679 transitions. [2023-11-24 23:00:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:16,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,425 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 23:00:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 398 states and 687 transitions. [2023-11-24 23:00:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 687 transitions. [2023-11-24 23:00:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:17,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:17,929 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 23:00:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 398 states and 683 transitions. [2023-11-24 23:00:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 683 transitions. [2023-11-24 23:00:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:17,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:18,014 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 23:00:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 398 states and 679 transitions. [2023-11-24 23:00:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 679 transitions. [2023-11-24 23:00:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:18,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:18,403 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 23:00:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 398 states and 675 transitions. [2023-11-24 23:00:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 675 transitions. [2023-11-24 23:00:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:18,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,035 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 23:00:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:19,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 398 states and 673 transitions. [2023-11-24 23:00:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 673 transitions. [2023-11-24 23:00:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:00:19,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,684 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 23:00:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 398 states and 669 transitions. [2023-11-24 23:00:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 669 transitions. [2023-11-24 23:00:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:00:20,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,091 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 23:00:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 403 states and 677 transitions. [2023-11-24 23:00:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 677 transitions. [2023-11-24 23:00:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:00:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,734 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 23:00:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 405 states and 680 transitions. [2023-11-24 23:00:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 680 transitions. [2023-11-24 23:00:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:00:21,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,130 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 23:00:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 403 states and 676 transitions. [2023-11-24 23:00:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 676 transitions. [2023-11-24 23:00:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:00:21,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,477 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 23:00:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 404 states and 677 transitions. [2023-11-24 23:00:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 677 transitions. [2023-11-24 23:00:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:00:21,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,876 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 23:00:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 405 states and 678 transitions. [2023-11-24 23:00:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 678 transitions. [2023-11-24 23:00:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:00:22,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,283 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 23:00:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 406 states and 679 transitions. [2023-11-24 23:00:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 679 transitions. [2023-11-24 23:00:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:00:22,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,709 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 23:00:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 394 states and 656 transitions. [2023-11-24 23:00:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 656 transitions. [2023-11-24 23:00:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:00:22,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,803 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 23:00:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 397 states and 662 transitions. [2023-11-24 23:00:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 662 transitions. [2023-11-24 23:00:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:00:22,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.