./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.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_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/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_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/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_8489cc2a-9035-4d3f-97da-71a647f3ce03/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 1fc4175868fd9160b7d31310c312f3c40c885306cd37c45505af16cdc713f79b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:50,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:50,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:50,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:50,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:50,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:50,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:50,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:50,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:50,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:50,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:50,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:50,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:50,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:50,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:50,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:50,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:50,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:50,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:50,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:50,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:50,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:50,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:50,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:50,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:50,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:50,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:50,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:50,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:50,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:50,258 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:50,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:50,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:50,259 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_8489cc2a-9035-4d3f-97da-71a647f3ce03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4175868fd9160b7d31310c312f3c40c885306cd37c45505af16cdc713f79b [2023-11-24 23:12:50,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:50,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:50,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:50,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:50,579 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:50,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2023-11-24 23:12:53,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:53,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:53,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2023-11-24 23:12:53,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/data/cf1611412/546b63e5f0194919b911d9bd8e815716/FLAGb7ed2fbb7 [2023-11-24 23:12:53,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/data/cf1611412/546b63e5f0194919b911d9bd8e815716 [2023-11-24 23:12:53,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:53,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:53,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:53,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:53,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:53,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:53" (1/1) ... [2023-11-24 23:12:53,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b31850c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:53, skipping insertion in model container [2023-11-24 23:12:53,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:53" (1/1) ... [2023-11-24 23:12:54,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:54,275 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_8489cc2a-9035-4d3f-97da-71a647f3ce03/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[913,926] [2023-11-24 23:12:54,347 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_8489cc2a-9035-4d3f-97da-71a647f3ce03/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[5977,5990] [2023-11-24 23:12:54,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:54,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:54,411 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_8489cc2a-9035-4d3f-97da-71a647f3ce03/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[913,926] [2023-11-24 23:12:54,433 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_8489cc2a-9035-4d3f-97da-71a647f3ce03/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[5977,5990] [2023-11-24 23:12:54,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:54,481 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:54,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54 WrapperNode [2023-11-24 23:12:54,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:54,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:54,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:54,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:54,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,564 INFO L138 Inliner]: procedures = 50, calls = 52, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 431 [2023-11-24 23:12:54,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:54,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:54,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:54,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:54,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:54,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:54,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:54,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:54,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:54" (1/1) ... [2023-11-24 23:12:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:54,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:54,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8489cc2a-9035-4d3f-97da-71a647f3ce03/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 23:12:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 23:12:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-11-24 23:12:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-11-24 23:12:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-24 23:12:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-24 23:12:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-24 23:12:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-24 23:12:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-24 23:12:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-24 23:12:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-24 23:12:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-24 23:12:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-24 23:12:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-24 23:12:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-24 23:12:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-24 23:12:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-24 23:12:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-24 23:12:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-24 23:12:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-24 23:12:54,887 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:54,890 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:55,504 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:55,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:55,740 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:12:55,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:55 BoogieIcfgContainer [2023-11-24 23:12:55,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:55,744 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:55,744 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:55,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:55,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:55,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 126 states and 183 transitions. [2023-11-24 23:12:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2023-11-24 23:12:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:12:55,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:55,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 131 states and 189 transitions. [2023-11-24 23:12:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2023-11-24 23:12:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:12:56,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 209 transitions. [2023-11-24 23:12:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2023-11-24 23:12:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:12:56,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 153 states and 232 transitions. [2023-11-24 23:12:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 232 transitions. [2023-11-24 23:12:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:12:56,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 153 states and 231 transitions. [2023-11-24 23:12:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 231 transitions. [2023-11-24 23:12:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:56,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 157 states and 237 transitions. [2023-11-24 23:12:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 237 transitions. [2023-11-24 23:12:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:57,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 158 states and 237 transitions. [2023-11-24 23:12:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2023-11-24 23:12:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:57,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 251 transitions. [2023-11-24 23:12:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2023-11-24 23:12:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:12:57,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 169 states and 257 transitions. [2023-11-24 23:12:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2023-11-24 23:12:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:57,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 177 states and 272 transitions. [2023-11-24 23:12:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-24 23:12:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:12:58,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 185 states and 287 transitions. [2023-11-24 23:12:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2023-11-24 23:12:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:12:59,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 187 states and 291 transitions. [2023-11-24 23:13:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 291 transitions. [2023-11-24 23:13:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:13:00,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 200 states and 318 transitions. [2023-11-24 23:13:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 318 transitions. [2023-11-24 23:13:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:13:01,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 203 states and 323 transitions. [2023-11-24 23:13:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 323 transitions. [2023-11-24 23:13:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:03,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 201 states and 318 transitions. [2023-11-24 23:13:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2023-11-24 23:13:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:03,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 198 states and 310 transitions. [2023-11-24 23:13:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 310 transitions. [2023-11-24 23:13:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:13:03,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 202 states and 315 transitions. [2023-11-24 23:13:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 315 transitions. [2023-11-24 23:13:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:13:03,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 215 states and 342 transitions. [2023-11-24 23:13:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 342 transitions. [2023-11-24 23:13:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:13:06,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 217 states and 348 transitions. [2023-11-24 23:13:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 348 transitions. [2023-11-24 23:13:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:13:07,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 224 states and 364 transitions. [2023-11-24 23:13:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 364 transitions. [2023-11-24 23:13:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:13:08,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 221 states and 355 transitions. [2023-11-24 23:13:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 355 transitions. [2023-11-24 23:13:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:08,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 228 states and 372 transitions. [2023-11-24 23:13:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 372 transitions. [2023-11-24 23:13:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:09,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 230 states and 375 transitions. [2023-11-24 23:13:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 375 transitions. [2023-11-24 23:13:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:09,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 234 states and 381 transitions. [2023-11-24 23:13:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 381 transitions. [2023-11-24 23:13:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:09,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 234 states and 380 transitions. [2023-11-24 23:13:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 380 transitions. [2023-11-24 23:13:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:13:09,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 243 states and 395 transitions. [2023-11-24 23:13:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 395 transitions. [2023-11-24 23:13:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:13:11,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 244 states and 395 transitions. [2023-11-24 23:13:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 395 transitions. [2023-11-24 23:13:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:13:11,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:13:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 253 states and 410 transitions. [2023-11-24 23:13:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 410 transitions. [2023-11-24 23:13:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:12,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:13:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 253 states and 409 transitions. [2023-11-24 23:13:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 409 transitions. [2023-11-24 23:13:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:13:12,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:12,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 255 states and 413 transitions. [2023-11-24 23:13:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 413 transitions. [2023-11-24 23:13:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:12,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 268 states and 447 transitions. [2023-11-24 23:13:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 447 transitions. [2023-11-24 23:13:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:15,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:13:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 274 states and 459 transitions. [2023-11-24 23:13:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 459 transitions. [2023-11-24 23:13:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:16,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:13:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 280 states and 470 transitions. [2023-11-24 23:13:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 470 transitions. [2023-11-24 23:13:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:13:17,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 291 states and 488 transitions. [2023-11-24 23:13:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 488 transitions. [2023-11-24 23:13:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:18,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:13:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 317 states and 547 transitions. [2023-11-24 23:13:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 547 transitions. [2023-11-24 23:13:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:25,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 321 states and 554 transitions. [2023-11-24 23:13:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 554 transitions. [2023-11-24 23:13:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:26,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:26,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 327 states and 567 transitions. [2023-11-24 23:13:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 567 transitions. [2023-11-24 23:13:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:27,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 333 states and 578 transitions. [2023-11-24 23:13:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 578 transitions. [2023-11-24 23:13:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:13:29,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:29,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:13:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 334 states and 582 transitions. [2023-11-24 23:13:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 582 transitions. [2023-11-24 23:13:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:13:29,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:13:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 335 states and 587 transitions. [2023-11-24 23:13:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 587 transitions. [2023-11-24 23:13:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:13:30,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:13:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 336 states and 590 transitions. [2023-11-24 23:13:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 590 transitions. [2023-11-24 23:13:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:13:31,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:31,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:13:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 340 states and 597 transitions. [2023-11-24 23:13:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 597 transitions. [2023-11-24 23:13:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:13:31,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:31,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:13:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:36,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 355 states and 634 transitions. [2023-11-24 23:13:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 634 transitions. [2023-11-24 23:13:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:13:36,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:13:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 356 states and 636 transitions. [2023-11-24 23:13:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 636 transitions. [2023-11-24 23:13:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:13:37,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 358 states and 643 transitions. [2023-11-24 23:13:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 643 transitions. [2023-11-24 23:13:39,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:13:39,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat