./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/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_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/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_77b7715a-7d79-4a9e-a593-823898e850d2/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 ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:32,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:32,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:32,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:32,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:32,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:32,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:32,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:32,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:32,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:32,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:32,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:32,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:32,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:32,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:32,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:32,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:32,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:32,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:32,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:32,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:32,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:32,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:32,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:32,783 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:32,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:32,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:32,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:32,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:32,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:32,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:32,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:32,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:32,788 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_77b7715a-7d79-4a9e-a593-823898e850d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2023-11-24 23:09:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:33,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:33,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:33,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:33,138 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:33,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2023-11-24 23:09:36,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:36,539 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:36,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2023-11-24 23:09:36,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/data/7e505b72a/2c3b4d2e7fc9439baacd1708466910eb/FLAG40f0d765c [2023-11-24 23:09:36,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/data/7e505b72a/2c3b4d2e7fc9439baacd1708466910eb [2023-11-24 23:09:36,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:36,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:36,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:36,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:36,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:36,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:36" (1/1) ... [2023-11-24 23:09:36,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adc396e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:36, skipping insertion in model container [2023-11-24 23:09:36,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:36" (1/1) ... [2023-11-24 23:09:36,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:36,915 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_77b7715a-7d79-4a9e-a593-823898e850d2/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2023-11-24 23:09:36,975 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_77b7715a-7d79-4a9e-a593-823898e850d2/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2023-11-24 23:09:37,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:37,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:37,152 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_77b7715a-7d79-4a9e-a593-823898e850d2/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2023-11-24 23:09:37,171 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_77b7715a-7d79-4a9e-a593-823898e850d2/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2023-11-24 23:09:37,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:37,270 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:37,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37 WrapperNode [2023-11-24 23:09:37,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:37,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:37,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:37,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:37,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,376 INFO L138 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1136 [2023-11-24 23:09:37,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:37,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:37,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:37,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:37,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:37,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:37,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:37,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:37,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:37,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:37,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b7715a-7d79-4a9e-a593-823898e850d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 23:09:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 23:09:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 23:09:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 23:09:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 23:09:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 23:09:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 23:09:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 23:09:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 23:09:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 23:09:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 23:09:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 23:09:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 23:09:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 23:09:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 23:09:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 23:09:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 23:09:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 23:09:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 23:09:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 23:09:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 23:09:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 23:09:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 23:09:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 23:09:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 23:09:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 23:09:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 23:09:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 23:09:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 23:09:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 23:09:37,828 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:37,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:39,066 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:39,834 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:39,835 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-24 23:09:39,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:39 BoogieIcfgContainer [2023-11-24 23:09:39,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:39,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:39,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:39,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:39,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:39" (1/1) ... [2023-11-24 23:09:39,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:39,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 291 states and 435 transitions. [2023-11-24 23:09:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 435 transitions. [2023-11-24 23:09:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:39,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,516 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 23:09:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 299 states and 445 transitions. [2023-11-24 23:09:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 445 transitions. [2023-11-24 23:09:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:40,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,188 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 23:09:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 312 states and 470 transitions. [2023-11-24 23:09:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 470 transitions. [2023-11-24 23:09:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:42,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,329 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 23:09:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 307 states and 457 transitions. [2023-11-24 23:09:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 457 transitions. [2023-11-24 23:09:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:09:42,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,993 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 23:09:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 317 states and 477 transitions. [2023-11-24 23:09:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 477 transitions. [2023-11-24 23:09:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:09:43,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,368 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 23:09:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 500 transitions. [2023-11-24 23:09:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 500 transitions. [2023-11-24 23:09:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:09:44,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:44,210 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 23:09:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 329 states and 499 transitions. [2023-11-24 23:09:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 499 transitions. [2023-11-24 23:09:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:09:44,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:44,443 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 23:09:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 334 states and 507 transitions. [2023-11-24 23:09:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 507 transitions. [2023-11-24 23:09:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:09:44,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:44,818 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 23:09:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 342 states and 523 transitions. [2023-11-24 23:09:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 523 transitions. [2023-11-24 23:09:45,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:09:45,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:45,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 349 states and 533 transitions. [2023-11-24 23:09:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 533 transitions. [2023-11-24 23:09:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:09:46,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:09:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 350 states and 536 transitions. [2023-11-24 23:09:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 536 transitions. [2023-11-24 23:09:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:09:46,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 360 states and 558 transitions. [2023-11-24 23:09:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 558 transitions. [2023-11-24 23:09:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:09:47,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,784 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 23:09:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 361 states and 559 transitions. [2023-11-24 23:09:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 559 transitions. [2023-11-24 23:09:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:09:47,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 383 states and 603 transitions. [2023-11-24 23:09:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 603 transitions. [2023-11-24 23:09:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:09:51,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,424 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 23:09:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 387 states and 608 transitions. [2023-11-24 23:09:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 608 transitions. [2023-11-24 23:09:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:09:51,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 387 states and 606 transitions. [2023-11-24 23:09:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 606 transitions. [2023-11-24 23:09:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:09:52,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 395 states and 624 transitions. [2023-11-24 23:09:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 624 transitions. [2023-11-24 23:09:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:09:56,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,993 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 23:09:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 402 states and 640 transitions. [2023-11-24 23:09:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 640 transitions. [2023-11-24 23:09:58,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:09:58,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:58,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 410 states and 657 transitions. [2023-11-24 23:10:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 657 transitions. [2023-11-24 23:10:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:10:00,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:00,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 411 states and 659 transitions. [2023-11-24 23:10:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 659 transitions. [2023-11-24 23:10:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:10:00,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,980 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 23:10:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 413 states and 664 transitions. [2023-11-24 23:10:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 664 transitions. [2023-11-24 23:10:01,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:10:01,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 420 states and 688 transitions. [2023-11-24 23:10:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 688 transitions. [2023-11-24 23:10:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:10:02,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:10:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 425 states and 696 transitions. [2023-11-24 23:10:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 696 transitions. [2023-11-24 23:10:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:10:02,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 426 states and 699 transitions. [2023-11-24 23:10:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 699 transitions. [2023-11-24 23:10:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:10:03,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 431 states and 711 transitions. [2023-11-24 23:10:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 711 transitions. [2023-11-24 23:10:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:10:04,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 433 states and 714 transitions. [2023-11-24 23:10:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 714 transitions. [2023-11-24 23:10:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:10:04,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:04,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 435 states and 717 transitions. [2023-11-24 23:10:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 717 transitions. [2023-11-24 23:10:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:10:06,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 442 states and 732 transitions. [2023-11-24 23:10:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 732 transitions. [2023-11-24 23:10:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:10:07,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 448 states and 743 transitions. [2023-11-24 23:10:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 743 transitions. [2023-11-24 23:10:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:10:09,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 454 states and 760 transitions. [2023-11-24 23:10:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 760 transitions. [2023-11-24 23:10:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:10:10,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 456 states and 764 transitions. [2023-11-24 23:10:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 764 transitions. [2023-11-24 23:10:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:10:10,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:10,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 460 states and 771 transitions. [2023-11-24 23:10:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 771 transitions. [2023-11-24 23:10:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:10:11,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 466 states and 782 transitions. [2023-11-24 23:10:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 782 transitions. [2023-11-24 23:10:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:10:12,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 472 states and 799 transitions. [2023-11-24 23:10:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 799 transitions. [2023-11-24 23:10:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:10:13,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 472 states and 798 transitions. [2023-11-24 23:10:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 798 transitions. [2023-11-24 23:10:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:10:13,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 479 states and 808 transitions. [2023-11-24 23:10:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 808 transitions. [2023-11-24 23:10:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:10:14,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:10:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 480 states and 811 transitions. [2023-11-24 23:10:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 811 transitions. [2023-11-24 23:10:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:10:14,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:14,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,900 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:10:15,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 481 states and 814 transitions. [2023-11-24 23:10:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 814 transitions. [2023-11-24 23:10:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 23:10:15,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 481 states and 813 transitions. [2023-11-24 23:10:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 813 transitions. [2023-11-24 23:10:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:10:15,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 488 states and 826 transitions. [2023-11-24 23:10:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 826 transitions. [2023-11-24 23:10:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 23:10:18,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:10:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 495 states and 844 transitions. [2023-11-24 23:10:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 844 transitions. [2023-11-24 23:10:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 23:10:19,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:19,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:10:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 496 states and 847 transitions. [2023-11-24 23:10:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 847 transitions. [2023-11-24 23:10:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:10:20,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:10:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 502 states and 858 transitions. [2023-11-24 23:10:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 858 transitions. [2023-11-24 23:10:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:10:20,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:10:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 507 states and 868 transitions. [2023-11-24 23:10:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 868 transitions. [2023-11-24 23:10:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:10:21,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:10:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 508 states and 870 transitions. [2023-11-24 23:10:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 870 transitions. [2023-11-24 23:10:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:10:22,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat