./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc8dc9bdb034e5a733c81076f9e42c36caa1eb5cb68a77287d3420bd964c5f5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:31,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:31,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:50:31,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:31,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:31,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:31,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:31,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:31,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:31,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:31,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:31,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:31,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:31,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:31,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:31,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:31,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:31,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:31,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:31,589 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:31,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:31,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:31,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:31,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:31,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:31,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:31,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:31,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:31,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:31,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:31,595 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:31,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:31,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:31,596 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_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc8dc9bdb034e5a733c81076f9e42c36caa1eb5cb68a77287d3420bd964c5f5a [2023-11-19 02:50:31,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:31,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:31,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:31,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:31,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:31,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c [2023-11-19 02:50:34,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:35,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:35,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c [2023-11-19 02:50:35,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/data/370fabfd8/fd7caed465714563b61788df92a5f7e2/FLAG8f2188018 [2023-11-19 02:50:35,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/data/370fabfd8/fd7caed465714563b61788df92a5f7e2 [2023-11-19 02:50:35,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:35,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:35,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:35,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:35,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:35,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:35" (1/1) ... [2023-11-19 02:50:35,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f51a019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:35, skipping insertion in model container [2023-11-19 02:50:35,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:35" (1/1) ... [2023-11-19 02:50:35,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:35,896 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_8ca73580-9faa-4a9e-ba3c-10c4ef690945/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c[914,927] [2023-11-19 02:50:35,977 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_8ca73580-9faa-4a9e-ba3c-10c4ef690945/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c[7115,7128] [2023-11-19 02:50:36,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:36,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:36,165 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_8ca73580-9faa-4a9e-ba3c-10c4ef690945/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c[914,927] [2023-11-19 02:50:36,182 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_8ca73580-9faa-4a9e-ba3c-10c4ef690945/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.15.cil.c[7115,7128] [2023-11-19 02:50:36,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:36,295 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:36,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36 WrapperNode [2023-11-19 02:50:36,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:36,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:36,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:36,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:36,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,438 INFO L138 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1134 [2023-11-19 02:50:36,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:36,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:36,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:36,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:36,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:36,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:36,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:36,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:36,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:36" (1/1) ... [2023-11-19 02:50:36,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:36,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:36,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:36,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca73580-9faa-4a9e-ba3c-10c4ef690945/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 02:50:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 02:50:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 02:50:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 02:50:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 02:50:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 02:50:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 02:50:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 02:50:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 02:50:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 02:50:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 02:50:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 02:50:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 02:50:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 02:50:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 02:50:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 02:50:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 02:50:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 02:50:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 02:50:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 02:50:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 02:50:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 02:50:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 02:50:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 02:50:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 02:50:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 02:50:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 02:50:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 02:50:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 02:50:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 02:50:36,871 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:36,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:38,042 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:38,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:38,753 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-19 02:50:38,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:38 BoogieIcfgContainer [2023-11-19 02:50:38,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:38,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:38,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:38,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:38,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:38" (1/1) ... [2023-11-19 02:50:38,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 291 states and 435 transitions. [2023-11-19 02:50:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 435 transitions. [2023-11-19 02:50:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:50:38,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 296 states and 438 transitions. [2023-11-19 02:50:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 438 transitions. [2023-11-19 02:50:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:50:39,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 301 states and 445 transitions. [2023-11-19 02:50:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 445 transitions. [2023-11-19 02:50:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:50:39,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 307 states and 456 transitions. [2023-11-19 02:50:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 456 transitions. [2023-11-19 02:50:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:50:41,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 317 states and 476 transitions. [2023-11-19 02:50:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 476 transitions. [2023-11-19 02:50:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:50:41,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 329 states and 499 transitions. [2023-11-19 02:50:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 499 transitions. [2023-11-19 02:50:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:50:42,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 329 states and 498 transitions. [2023-11-19 02:50:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 498 transitions. [2023-11-19 02:50:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:50:42,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 332 states and 504 transitions. [2023-11-19 02:50:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 504 transitions. [2023-11-19 02:50:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:50:43,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:43,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 340 states and 520 transitions. [2023-11-19 02:50:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 520 transitions. [2023-11-19 02:50:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:50:43,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:50:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 347 states and 530 transitions. [2023-11-19 02:50:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 530 transitions. [2023-11-19 02:50:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:50:44,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:50:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 348 states and 533 transitions. [2023-11-19 02:50:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 533 transitions. [2023-11-19 02:50:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:50:44,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 358 states and 555 transitions. [2023-11-19 02:50:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 555 transitions. [2023-11-19 02:50:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:50:45,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:50:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 359 states and 556 transitions. [2023-11-19 02:50:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 556 transitions. [2023-11-19 02:50:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:50:45,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 381 states and 600 transitions. [2023-11-19 02:50:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 600 transitions. [2023-11-19 02:50:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:50:49,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:50:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 385 states and 605 transitions. [2023-11-19 02:50:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 605 transitions. [2023-11-19 02:50:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:50:49,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:50:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 385 states and 603 transitions. [2023-11-19 02:50:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 603 transitions. [2023-11-19 02:50:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:50:49,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:50:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 393 states and 621 transitions. [2023-11-19 02:50:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 621 transitions. [2023-11-19 02:50:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:50:53,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:50:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 400 states and 637 transitions. [2023-11-19 02:50:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 637 transitions. [2023-11-19 02:50:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:50:55,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:50:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 408 states and 654 transitions. [2023-11-19 02:50:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 654 transitions. [2023-11-19 02:50:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:50:57,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:50:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 409 states and 656 transitions. [2023-11-19 02:50:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 656 transitions. [2023-11-19 02:50:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:50:57,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:50:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 411 states and 661 transitions. [2023-11-19 02:50:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 661 transitions. [2023-11-19 02:50:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:50:58,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:50:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 418 states and 685 transitions. [2023-11-19 02:50:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 685 transitions. [2023-11-19 02:50:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:50:59,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:50:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 423 states and 693 transitions. [2023-11-19 02:50:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 693 transitions. [2023-11-19 02:50:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:50:59,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 424 states and 696 transitions. [2023-11-19 02:51:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 696 transitions. [2023-11-19 02:51:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:00,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 431 states and 711 transitions. [2023-11-19 02:51:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 711 transitions. [2023-11-19 02:51:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:51:01,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 438 states and 726 transitions. [2023-11-19 02:51:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 726 transitions. [2023-11-19 02:51:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:51:02,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 440 states and 729 transitions. [2023-11-19 02:51:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 729 transitions. [2023-11-19 02:51:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:51:04,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 446 states and 740 transitions. [2023-11-19 02:51:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 740 transitions. [2023-11-19 02:51:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:51:05,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 452 states and 757 transitions. [2023-11-19 02:51:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 757 transitions. [2023-11-19 02:51:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:51:06,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 454 states and 761 transitions. [2023-11-19 02:51:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 761 transitions. [2023-11-19 02:51:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:51:06,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 464 states and 785 transitions. [2023-11-19 02:51:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 785 transitions. [2023-11-19 02:51:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:51:07,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 470 states and 796 transitions. [2023-11-19 02:51:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 796 transitions. [2023-11-19 02:51:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:51:08,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 470 states and 795 transitions. [2023-11-19 02:51:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 795 transitions. [2023-11-19 02:51:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:51:08,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 477 states and 805 transitions. [2023-11-19 02:51:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 805 transitions. [2023-11-19 02:51:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:51:09,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:09,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 02:51:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 478 states and 808 transitions. [2023-11-19 02:51:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 808 transitions. [2023-11-19 02:51:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:51:10,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 02:51:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 479 states and 811 transitions. [2023-11-19 02:51:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 811 transitions. [2023-11-19 02:51:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:51:10,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 479 states and 810 transitions. [2023-11-19 02:51:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 810 transitions. [2023-11-19 02:51:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:51:10,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 486 states and 823 transitions. [2023-11-19 02:51:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 823 transitions. [2023-11-19 02:51:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:51:13,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:13,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 02:51:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 487 states and 826 transitions. [2023-11-19 02:51:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 826 transitions. [2023-11-19 02:51:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:51:13,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:13,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:51:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 494 states and 844 transitions. [2023-11-19 02:51:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 844 transitions. [2023-11-19 02:51:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:51:14,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:51:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 500 states and 855 transitions. [2023-11-19 02:51:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 855 transitions. [2023-11-19 02:51:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:51:15,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:51:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 505 states and 865 transitions. [2023-11-19 02:51:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 865 transitions. [2023-11-19 02:51:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:51:16,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:51:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 506 states and 867 transitions. [2023-11-19 02:51:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 867 transitions. [2023-11-19 02:51:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:51:16,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:16,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 521 states and 899 transitions. [2023-11-19 02:51:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 899 transitions. [2023-11-19 02:51:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 02:51:20,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.