./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sleep-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49726dba769f8fa38c0387ce1a7d732542975ac5562ef4991c0ad7532e1b95e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:30,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:31,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:01:31,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:31,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:31,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:31,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:31,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:31,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:31,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:31,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:31,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:31,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:31,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:31,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:31,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:31,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:31,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:31,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:31,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:31,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:31,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:31,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:31,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:31,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:31,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:31,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:31,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:31,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:31,089 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:31,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:31,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:31,091 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_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49726dba769f8fa38c0387ce1a7d732542975ac5562ef4991c0ad7532e1b95e5 [2023-11-23 20:01:31,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:31,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:31,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:31,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:31,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:31,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/sleep-3.i [2023-11-23 20:01:34,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:34,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:34,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/sv-benchmarks/c/busybox-1.22.0/sleep-3.i [2023-11-23 20:01:34,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/data/ccf4e7732/37b28c7e850e49e1a19ff05fd536133d/FLAGdb78a5820 [2023-11-23 20:01:34,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/data/ccf4e7732/37b28c7e850e49e1a19ff05fd536133d [2023-11-23 20:01:34,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:34,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:34,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:34,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:34,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:34,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cae17f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34, skipping insertion in model container [2023-11-23 20:01:34,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:35,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:36,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:36,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:36,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:37,031 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:37,032 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:37,032 WARN L675 CHandler]: The function strspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:37,039 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:37,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37 WrapperNode [2023-11-23 20:01:37,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:37,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:37,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:37,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:37,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,191 INFO L138 Inliner]: procedures = 633, calls = 241, calls flagged for inlining = 17, calls inlined = 15, statements flattened = 782 [2023-11-23 20:01:37,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:37,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:37,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:37,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:37,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:37,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:37,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:37,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:37,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:37,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:37,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb47a86-f7cf-4110-9b66-ae37c934f444/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:01:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:01:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-23 20:01:37,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-23 20:01:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:01:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:01:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:01:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:01:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:01:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:37,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:01:37,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:01:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:01:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:01:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:01:37,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:01:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:01:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:01:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-23 20:01:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-23 20:01:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2023-11-23 20:01:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:01:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:01:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:01:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:01:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:01:37,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:37,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:38,682 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:38,839 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:01:38,839 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-23 20:01:38,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:38 BoogieIcfgContainer [2023-11-23 20:01:38,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:01:38,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:01:38,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:01:38,852 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:01:38,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:01:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 182 states and 236 transitions. [2023-11-23 20:01:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2023-11-23 20:01:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:01:38,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 184 states and 239 transitions. [2023-11-23 20:01:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 239 transitions. [2023-11-23 20:01:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:01:39,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 185 states and 240 transitions. [2023-11-23 20:01:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2023-11-23 20:01:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:01:39,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 187 states and 243 transitions. [2023-11-23 20:01:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2023-11-23 20:01:39,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:01:39,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:01:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-11-23 20:01:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-11-23 20:01:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:01:40,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 187 states and 243 transitions. [2023-11-23 20:01:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2023-11-23 20:01:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:01:40,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-11-23 20:01:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-11-23 20:01:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:01:40,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:01:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 241 transitions. [2023-11-23 20:01:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2023-11-23 20:01:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:01:40,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 188 states and 244 transitions. [2023-11-23 20:01:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-23 20:01:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:41,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 191 states and 247 transitions. [2023-11-23 20:01:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2023-11-23 20:01:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:01:41,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 194 states and 250 transitions. [2023-11-23 20:01:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2023-11-23 20:01:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:01:42,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 197 states and 253 transitions. [2023-11-23 20:01:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 253 transitions. [2023-11-23 20:01:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:01:42,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 200 states and 256 transitions. [2023-11-23 20:01:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2023-11-23 20:01:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:01:42,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 259 transitions. [2023-11-23 20:01:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2023-11-23 20:01:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:01:43,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:43,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 206 states and 262 transitions. [2023-11-23 20:01:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 262 transitions. [2023-11-23 20:01:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:01:44,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:44,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 209 states and 264 transitions. [2023-11-23 20:01:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 264 transitions. [2023-11-23 20:01:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:01:44,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:44,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 208 states and 263 transitions. [2023-11-23 20:01:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 263 transitions. [2023-11-23 20:01:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:01:45,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:45,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 207 states and 262 transitions. [2023-11-23 20:01:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 262 transitions. [2023-11-23 20:01:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:01:45,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 206 states and 261 transitions. [2023-11-23 20:01:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 261 transitions. [2023-11-23 20:01:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:01:45,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 208 states and 264 transitions. [2023-11-23 20:01:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 264 transitions. [2023-11-23 20:01:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:01:45,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:45,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 265 transitions. [2023-11-23 20:01:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2023-11-23 20:01:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:01:46,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:46,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 211 states and 268 transitions. [2023-11-23 20:01:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 268 transitions. [2023-11-23 20:01:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:01:46,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:01:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:47,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 279 transitions. [2023-11-23 20:01:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 279 transitions. [2023-11-23 20:01:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:01:47,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:01:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 216 states and 278 transitions. [2023-11-23 20:01:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2023-11-23 20:01:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:01:47,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:01:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 279 transitions. [2023-11-23 20:01:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 279 transitions. [2023-11-23 20:01:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:01:47,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:48,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 218 states and 280 transitions. [2023-11-23 20:01:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 280 transitions. [2023-11-23 20:01:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:01:48,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:48,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:01:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 220 states and 283 transitions. [2023-11-23 20:01:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 283 transitions. [2023-11-23 20:01:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:01:49,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:01:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 222 states and 287 transitions. [2023-11-23 20:01:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 287 transitions. [2023-11-23 20:01:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:01:50,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:50,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:01:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 288 transitions. [2023-11-23 20:01:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 288 transitions. [2023-11-23 20:01:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:01:50,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:01:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 225 states and 289 transitions. [2023-11-23 20:01:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 289 transitions. [2023-11-23 20:01:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:01:51,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:01:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 226 states and 290 transitions. [2023-11-23 20:01:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 290 transitions. [2023-11-23 20:01:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:01:51,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:51,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 229 states and 293 transitions. [2023-11-23 20:01:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 293 transitions. [2023-11-23 20:01:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:01:52,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 232 states and 296 transitions. [2023-11-23 20:01:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 296 transitions. [2023-11-23 20:01:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:01:53,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 235 states and 299 transitions. [2023-11-23 20:01:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 299 transitions. [2023-11-23 20:01:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:01:54,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:54,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 238 states and 302 transitions. [2023-11-23 20:01:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 302 transitions. [2023-11-23 20:01:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:01:55,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:55,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 241 states and 305 transitions. [2023-11-23 20:01:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 305 transitions. [2023-11-23 20:01:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:01:56,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 244 states and 308 transitions. [2023-11-23 20:01:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 308 transitions. [2023-11-23 20:01:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:01:57,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:57,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 247 states and 311 transitions. [2023-11-23 20:01:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 311 transitions. [2023-11-23 20:01:58,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:01:58,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:01:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 250 states and 313 transitions. [2023-11-23 20:01:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 313 transitions. [2023-11-23 20:01:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:01:59,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-23 20:02:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 286 states and 370 transitions. [2023-11-23 20:02:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 370 transitions. [2023-11-23 20:02:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:02:15,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:15,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-23 20:02:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 295 states and 387 transitions. [2023-11-23 20:02:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 387 transitions. [2023-11-23 20:02:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:02:18,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:18,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked.