./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/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_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/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_090d25da-0cd4-4d8f-a341-db66d2386ff3/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 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:53,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:54,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:38:54,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:54,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:54,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:54,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:54,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:54,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:54,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:54,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:54,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:54,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:54,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:54,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:54,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:54,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:54,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:54,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:54,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:54,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:54,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:54,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:54,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:54,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:54,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:54,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:54,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:54,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:54,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:54,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:54,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:54,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:54,167 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 [2023-11-19 03:38:54,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:54,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:54,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:54,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:54,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:54,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2023-11-19 03:38:57,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:58,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:58,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2023-11-19 03:38:58,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/data/d08836ded/9d891a16eb8c406f9a19067bb206bf8f/FLAG27d91b732 [2023-11-19 03:38:58,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/data/d08836ded/9d891a16eb8c406f9a19067bb206bf8f [2023-11-19 03:38:58,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:58,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:58,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:58,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:58,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:58,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7e675c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58, skipping insertion in model container [2023-11-19 03:38:58,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:58,327 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2023-11-19 03:38:58,384 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2023-11-19 03:38:58,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:58,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:58,537 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2023-11-19 03:38:58,570 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_090d25da-0cd4-4d8f-a341-db66d2386ff3/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2023-11-19 03:38:58,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:58,635 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:58,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58 WrapperNode [2023-11-19 03:38:58,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:58,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:58,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:58,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:58,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,742 INFO L138 Inliner]: procedures = 63, calls = 73, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 656 [2023-11-19 03:38:58,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:58,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:58,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:58,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:58,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:58,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:58,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:58,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:58,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:58" (1/1) ... [2023-11-19 03:38:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:58,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:58,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:58,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_090d25da-0cd4-4d8f-a341-db66d2386ff3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:38:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:38:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 03:38:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 03:38:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 03:38:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 03:38:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 03:38:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 03:38:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 03:38:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 03:38:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 03:38:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 03:38:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 03:38:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 03:38:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 03:38:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 03:38:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 03:38:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 03:38:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 03:38:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 03:38:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 03:38:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 03:38:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 03:38:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 03:38:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 03:38:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 03:38:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 03:38:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 03:38:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 03:38:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 03:38:59,111 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:59,114 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:59,935 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:00,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:00,396 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 03:39:00,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:00 BoogieIcfgContainer [2023-11-19 03:39:00,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:00,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:00,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:00,427 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:00,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:39:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 195 states and 283 transitions. [2023-11-19 03:39:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 283 transitions. [2023-11-19 03:39:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:39:00,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 207 states and 300 transitions. [2023-11-19 03:39:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2023-11-19 03:39:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:39:01,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:01,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 206 states and 297 transitions. [2023-11-19 03:39:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2023-11-19 03:39:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:39:02,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:02,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 216 states and 317 transitions. [2023-11-19 03:39:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 317 transitions. [2023-11-19 03:39:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:03,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 228 states and 340 transitions. [2023-11-19 03:39:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2023-11-19 03:39:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:03,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 245 states and 372 transitions. [2023-11-19 03:39:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 372 transitions. [2023-11-19 03:39:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:04,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 246 states and 372 transitions. [2023-11-19 03:39:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 372 transitions. [2023-11-19 03:39:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:04,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 247 states and 372 transitions. [2023-11-19 03:39:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 372 transitions. [2023-11-19 03:39:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:04,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 248 states and 372 transitions. [2023-11-19 03:39:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 372 transitions. [2023-11-19 03:39:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:04,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 249 states and 372 transitions. [2023-11-19 03:39:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 372 transitions. [2023-11-19 03:39:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:04,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 264 states and 405 transitions. [2023-11-19 03:39:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 405 transitions. [2023-11-19 03:39:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:05,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 265 states and 405 transitions. [2023-11-19 03:39:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 405 transitions. [2023-11-19 03:39:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:05,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 266 states and 405 transitions. [2023-11-19 03:39:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 405 transitions. [2023-11-19 03:39:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:05,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:05,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 275 states and 426 transitions. [2023-11-19 03:39:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 426 transitions. [2023-11-19 03:39:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:06,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:06,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 276 states and 426 transitions. [2023-11-19 03:39:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 426 transitions. [2023-11-19 03:39:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:39:06,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 284 states and 440 transitions. [2023-11-19 03:39:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 440 transitions. [2023-11-19 03:39:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:39:06,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 284 states and 439 transitions. [2023-11-19 03:39:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 439 transitions. [2023-11-19 03:39:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:39:07,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:08,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 294 states and 453 transitions. [2023-11-19 03:39:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 453 transitions. [2023-11-19 03:39:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:39:08,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 302 states and 469 transitions. [2023-11-19 03:39:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 469 transitions. [2023-11-19 03:39:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:39:08,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:09,037 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 03:39:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 309 states and 479 transitions. [2023-11-19 03:39:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 479 transitions. [2023-11-19 03:39:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:39:09,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:09,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:09,876 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 03:39:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 310 states and 482 transitions. [2023-11-19 03:39:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 482 transitions. [2023-11-19 03:39:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:39:10,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:10,358 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 03:39:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 320 states and 504 transitions. [2023-11-19 03:39:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 504 transitions. [2023-11-19 03:39:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:39:11,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 321 states and 505 transitions. [2023-11-19 03:39:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 505 transitions. [2023-11-19 03:39:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:39:11,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:12,142 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 03:39:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 343 states and 549 transitions. [2023-11-19 03:39:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 549 transitions. [2023-11-19 03:39:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:15,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:15,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 347 states and 554 transitions. [2023-11-19 03:39:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 554 transitions. [2023-11-19 03:39:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:16,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:16,535 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 03:39:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 347 states and 552 transitions. [2023-11-19 03:39:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 552 transitions. [2023-11-19 03:39:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:39:17,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:17,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 354 states and 569 transitions. [2023-11-19 03:39:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 569 transitions. [2023-11-19 03:39:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:39:18,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:18,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 367 states and 596 transitions. [2023-11-19 03:39:22,666 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 596 transitions. [2023-11-19 03:39:22,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:39:22,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:22,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:39:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 366 states and 593 transitions. [2023-11-19 03:39:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 593 transitions. [2023-11-19 03:39:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:24,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:24,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 391 states and 650 transitions. [2023-11-19 03:39:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 650 transitions. [2023-11-19 03:39:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:29,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 397 states and 668 transitions. [2023-11-19 03:39:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 668 transitions. [2023-11-19 03:39:33,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:33,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:33,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 409 states and 705 transitions. [2023-11-19 03:39:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 705 transitions. [2023-11-19 03:39:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:38,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 412 states and 713 transitions. [2023-11-19 03:39:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 713 transitions. [2023-11-19 03:39:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:39,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 418 states and 727 transitions. [2023-11-19 03:39:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 727 transitions. [2023-11-19 03:39:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:42,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:42,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 419 states and 729 transitions. [2023-11-19 03:39:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 729 transitions. [2023-11-19 03:39:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:42,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 420 states and 731 transitions. [2023-11-19 03:39:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 731 transitions. [2023-11-19 03:39:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:43,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 423 states and 731 transitions. [2023-11-19 03:39:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 731 transitions. [2023-11-19 03:39:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:44,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:39:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 423 states and 727 transitions. [2023-11-19 03:39:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 727 transitions. [2023-11-19 03:39:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:39:45,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat