./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.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_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/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_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/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_4a84081b-6570-41ed-828c-1ce3d26967d8/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 a41d14195dc7825ea8ff849a910a7045aa33d6087daf5af287d6c34e44b1032a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:12,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:13,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:13,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:13,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:13,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:13,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:13,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:13,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:13,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:13,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:13,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:13,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:13,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:13,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:13,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:13,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:13,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:13,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:13,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:13,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:13,191 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:13,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:13,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:13,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:13,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:13,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:13,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:13,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:13,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:13,197 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:13,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:13,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:13,198 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_4a84081b-6570-41ed-828c-1ce3d26967d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a41d14195dc7825ea8ff849a910a7045aa33d6087daf5af287d6c34e44b1032a [2023-11-24 22:52:13,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:13,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:13,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:13,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:13,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:13,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c [2023-11-24 22:52:17,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:17,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:17,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c [2023-11-24 22:52:17,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/data/fcd37f144/fe6d45fe86da4be387a01f8c56b2f4e8/FLAG01ae3eb90 [2023-11-24 22:52:17,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/data/fcd37f144/fe6d45fe86da4be387a01f8c56b2f4e8 [2023-11-24 22:52:17,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:17,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:17,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:17,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:17,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:17,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:17" (1/1) ... [2023-11-24 22:52:17,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446fe042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:17, skipping insertion in model container [2023-11-24 22:52:17,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:17" (1/1) ... [2023-11-24 22:52:17,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:17,774 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_4a84081b-6570-41ed-828c-1ce3d26967d8/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[914,927] [2023-11-24 22:52:17,871 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_4a84081b-6570-41ed-828c-1ce3d26967d8/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[7115,7128] [2023-11-24 22:52:18,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:18,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:18,154 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_4a84081b-6570-41ed-828c-1ce3d26967d8/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[914,927] [2023-11-24 22:52:18,178 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_4a84081b-6570-41ed-828c-1ce3d26967d8/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[7115,7128] [2023-11-24 22:52:18,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:18,307 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:18,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18 WrapperNode [2023-11-24 22:52:18,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:18,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:18,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:18,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:18,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,427 INFO L138 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 1076 [2023-11-24 22:52:18,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:18,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:18,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:18,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:18,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:18,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:18,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:18,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:18,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:18" (1/1) ... [2023-11-24 22:52:18,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:18,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:18,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a84081b-6570-41ed-828c-1ce3d26967d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 22:52:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 22:52:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-24 22:52:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-24 22:52:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 22:52:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 22:52:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 22:52:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 22:52:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-24 22:52:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-24 22:52:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 22:52:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 22:52:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 22:52:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 22:52:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-24 22:52:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-24 22:52:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-24 22:52:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-24 22:52:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-24 22:52:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-24 22:52:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 22:52:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 22:52:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 22:52:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 22:52:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-24 22:52:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-24 22:52:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 22:52:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 22:52:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 22:52:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 22:52:18,946 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:18,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:20,187 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:21,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:21,104 INFO L309 CfgBuilder]: Removed 19 assume(true) statements. [2023-11-24 22:52:21,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:21 BoogieIcfgContainer [2023-11-24 22:52:21,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:21,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:21,108 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:21,119 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:21,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:21" (1/1) ... [2023-11-24 22:52:21,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 279 states and 416 transitions. [2023-11-24 22:52:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 416 transitions. [2023-11-24 22:52:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:52:21,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:21,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 287 states and 426 transitions. [2023-11-24 22:52:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 426 transitions. [2023-11-24 22:52:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:52:22,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:22,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 300 states and 451 transitions. [2023-11-24 22:52:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 451 transitions. [2023-11-24 22:52:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:52:23,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 295 states and 438 transitions. [2023-11-24 22:52:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 438 transitions. [2023-11-24 22:52:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:52:24,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 305 states and 458 transitions. [2023-11-24 22:52:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 458 transitions. [2023-11-24 22:52:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:52:24,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 317 states and 481 transitions. [2023-11-24 22:52:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 481 transitions. [2023-11-24 22:52:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:52:25,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 317 states and 480 transitions. [2023-11-24 22:52:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 480 transitions. [2023-11-24 22:52:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:52:25,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:25,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,210 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 22:52:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 322 states and 488 transitions. [2023-11-24 22:52:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 488 transitions. [2023-11-24 22:52:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:52:26,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 330 states and 504 transitions. [2023-11-24 22:52:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 504 transitions. [2023-11-24 22:52:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:52:27,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,542 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 22:52:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 331 states and 507 transitions. [2023-11-24 22:52:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2023-11-24 22:52:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:52:27,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,869 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 22:52:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 338 states and 517 transitions. [2023-11-24 22:52:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 517 transitions. [2023-11-24 22:52:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:52:28,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:52:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 339 states and 518 transitions. [2023-11-24 22:52:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 518 transitions. [2023-11-24 22:52:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:52:28,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:29,037 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 22:52:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 349 states and 540 transitions. [2023-11-24 22:52:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 540 transitions. [2023-11-24 22:52:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:52:30,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,589 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 22:52:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 371 states and 584 transitions. [2023-11-24 22:52:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 584 transitions. [2023-11-24 22:52:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:52:34,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:52:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 375 states and 589 transitions. [2023-11-24 22:52:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 589 transitions. [2023-11-24 22:52:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:52:34,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:35,288 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 22:52:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 383 states and 607 transitions. [2023-11-24 22:52:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 607 transitions. [2023-11-24 22:52:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:52:39,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 390 states and 623 transitions. [2023-11-24 22:52:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 623 transitions. [2023-11-24 22:52:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:52:40,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,816 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 22:52:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 390 states and 621 transitions. [2023-11-24 22:52:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 621 transitions. [2023-11-24 22:52:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:41,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,788 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 22:52:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 397 states and 645 transitions. [2023-11-24 22:52:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 645 transitions. [2023-11-24 22:52:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:42,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:42,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 399 states and 650 transitions. [2023-11-24 22:52:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 650 transitions. [2023-11-24 22:52:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:43,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,540 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 22:52:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 407 states and 667 transitions. [2023-11-24 22:52:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 667 transitions. [2023-11-24 22:52:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:45,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:45,967 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 22:52:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 408 states and 669 transitions. [2023-11-24 22:52:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 669 transitions. [2023-11-24 22:52:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:52:46,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:46,464 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 22:52:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 409 states and 672 transitions. [2023-11-24 22:52:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 672 transitions. [2023-11-24 22:52:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:52:46,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:46,989 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 22:52:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 414 states and 680 transitions. [2023-11-24 22:52:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 680 transitions. [2023-11-24 22:52:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:52:47,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:47,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:47,514 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 22:52:48,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 421 states and 695 transitions. [2023-11-24 22:52:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 695 transitions. [2023-11-24 22:52:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:52:48,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 427 states and 712 transitions. [2023-11-24 22:52:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 712 transitions. [2023-11-24 22:52:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:52:50,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 433 states and 723 transitions. [2023-11-24 22:52:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 723 transitions. [2023-11-24 22:52:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:52:50,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,027 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 22:52:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 440 states and 738 transitions. [2023-11-24 22:52:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 738 transitions. [2023-11-24 22:52:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:52:52,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,746 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 22:52:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 442 states and 741 transitions. [2023-11-24 22:52:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 741 transitions. [2023-11-24 22:52:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:52:54,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 446 states and 748 transitions. [2023-11-24 22:52:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 748 transitions. [2023-11-24 22:52:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:52:55,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 452 states and 759 transitions. [2023-11-24 22:52:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 759 transitions. [2023-11-24 22:52:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:52:56,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:52:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 458 states and 776 transitions. [2023-11-24 22:52:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 776 transitions. [2023-11-24 22:52:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:52:57,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,974 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 22:52:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 460 states and 780 transitions. [2023-11-24 22:52:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 780 transitions. [2023-11-24 22:52:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:52:58,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 460 states and 779 transitions. [2023-11-24 22:52:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 779 transitions. [2023-11-24 22:52:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:52:58,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,953 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 22:52:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 461 states and 782 transitions. [2023-11-24 22:52:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 782 transitions. [2023-11-24 22:52:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:52:59,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,559 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 22:53:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 468 states and 792 transitions. [2023-11-24 22:53:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 792 transitions. [2023-11-24 22:53:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:53:00,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,439 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 22:53:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 469 states and 795 transitions. [2023-11-24 22:53:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 795 transitions. [2023-11-24 22:53:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:53:01,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:01,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:01,141 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 22:53:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 476 states and 813 transitions. [2023-11-24 22:53:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 813 transitions. [2023-11-24 22:53:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:53:02,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:02,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.