./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/Mono4_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/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_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono4_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/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_a25fdd34-65b3-479d-b14c-332427389964/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 72ad066471387bf5403e859503e1fde5318d51a6c677887f8013c98efb036f7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:33,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:34,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:34,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:34,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:34,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:34,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:34,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:34,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:34,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:34,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:34,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:34,094 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:34,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:34,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:34,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:34,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:34,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:34,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:34,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:34,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:34,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:34,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:34,101 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:34,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:34,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:34,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:34,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:34,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:34,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:34,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:34,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:34,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:34,106 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_a25fdd34-65b3-479d-b14c-332427389964/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72ad066471387bf5403e859503e1fde5318d51a6c677887f8013c98efb036f7e [2023-11-24 22:54:34,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:34,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:34,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:34,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:34,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:34,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops-crafted-1/Mono4_1.c [2023-11-24 22:54:37,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:37,783 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:37,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/sv-benchmarks/c/loops-crafted-1/Mono4_1.c [2023-11-24 22:54:37,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/data/e16760bc6/64f098b49b9a4de7b906ede435d34f7e/FLAG228fff6f6 [2023-11-24 22:54:37,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/data/e16760bc6/64f098b49b9a4de7b906ede435d34f7e [2023-11-24 22:54:37,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:37,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:37,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:37,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:37,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:37,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109db431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37, skipping insertion in model container [2023-11-24 22:54:37,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:37,986 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_a25fdd34-65b3-479d-b14c-332427389964/sv-benchmarks/c/loops-crafted-1/Mono4_1.c[311,324] [2023-11-24 22:54:37,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:38,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:38,019 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_a25fdd34-65b3-479d-b14c-332427389964/sv-benchmarks/c/loops-crafted-1/Mono4_1.c[311,324] [2023-11-24 22:54:38,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:38,038 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:38,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38 WrapperNode [2023-11-24 22:54:38,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:38,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:38,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:38,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:38,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,075 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2023-11-24 22:54:38,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:38,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:38,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:38,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:38,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:38,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:38,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:38,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:38,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:38,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:38,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25fdd34-65b3-479d-b14c-332427389964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:38,244 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:38,246 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:38,363 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:38,403 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:38,403 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:38,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38 BoogieIcfgContainer [2023-11-24 22:54:38,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:38,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:38,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:38,417 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:38,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:54:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:54:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:38,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,669 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 22:54:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-24 22:54:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-24 22:54:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:38,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 22:54:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 22:54:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:38,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:54:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:54:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:39,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:54:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:54:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:39,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-24 22:54:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-24 22:54:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:40,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:54:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:54:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:40,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-24 22:54:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-24 22:54:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:41,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 22:54:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 22:54:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:41,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:54:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:54:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:42,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 22:54:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 22:54:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:42,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 22:54:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 22:54:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:43,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-24 22:54:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 22:54:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:43,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-24 22:54:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-24 22:54:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:44,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-24 22:54:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-24 22:54:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:54:44,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-24 22:54:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-24 22:54:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:45,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-24 22:54:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-24 22:54:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:46,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-24 22:54:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-24 22:54:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:47,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-24 22:54:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-24 22:54:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:47,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-24 22:54:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-24 22:54:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:48,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-24 22:54:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-24 22:54:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:49,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-24 22:54:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-24 22:54:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:50,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2023-11-24 22:54:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-24 22:54:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:51,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-24 22:54:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-24 22:54:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:52,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2023-11-24 22:54:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-24 22:54:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:53,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-24 22:54:55,103 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 22:54:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:54:55,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-24 22:54:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-24 22:54:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:56,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-24 22:54:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-24 22:54:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:54:57,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-24 22:54:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-24 22:54:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:59,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-11-24 22:55:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-24 22:55:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:55:00,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-11-24 22:55:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-24 22:55:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:55:02,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2023-11-24 22:55:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-11-24 22:55:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:55:03,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-24 22:55:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-24 22:55:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:55:05,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-24 22:55:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-24 22:55:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:55:06,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-11-24 22:55:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-24 22:55:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:55:08,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-24 22:55:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-24 22:55:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:55:10,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-24 22:55:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-24 22:55:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:55:11,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-24 22:55:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-24 22:55:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:55:13,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:13,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-24 22:55:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-24 22:55:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:55:15,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:15,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-24 22:55:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-24 22:55:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:55:17,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-11-24 22:55:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-24 22:55:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:55:18,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-24 22:55:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-24 22:55:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:55:20,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat