./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2 --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 13deb6f52d025fc244c9b82340ddcdc8e3861c427873ebfb2833f80ffdb30e1c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:44,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:44,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:52:44,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:44,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:44,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:44,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:44,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:44,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:44,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:44,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:44,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:44,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:44,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:44,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:44,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:44,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:44,688 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:44,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:44,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:44,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:44,690 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:44,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:44,691 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:44,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:44,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:44,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:44,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:44,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:44,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:44,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:44,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:44,696 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_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13deb6f52d025fc244c9b82340ddcdc8e3861c427873ebfb2833f80ffdb30e1c [2023-11-21 18:52:45,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:45,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:45,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:45,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:45,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:45,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2023-11-21 18:52:48,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:49,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:49,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2023-11-21 18:52:49,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/data/0030a2f99/61b32faf577747df8ce65fbbd1366039/FLAG8583c9cec [2023-11-21 18:52:49,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/data/0030a2f99/61b32faf577747df8ce65fbbd1366039 [2023-11-21 18:52:49,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:49,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:49,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:49,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:49,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:49,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:49" (1/1) ... [2023-11-21 18:52:49,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a664b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:49, skipping insertion in model container [2023-11-21 18:52:49,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:49" (1/1) ... [2023-11-21 18:52:49,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:51,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:51,317 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:51,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:51,799 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:51,799 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:51,799 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:51,808 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:51,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51 WrapperNode [2023-11-21 18:52:51,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:51,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:51,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:51,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:51,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:51,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,089 INFO L138 Inliner]: procedures = 575, calls = 398, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 1688 [2023-11-21 18:52:52,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:52,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:52,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:52,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:52,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:52,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:52,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:52,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:52,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:51" (1/1) ... [2023-11-21 18:52:52,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:52,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:52,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29dc08-e3ae-4e9c-919b-f7138e384750/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-21 18:52:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-21 18:52:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:52:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:52:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:52:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:52:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:52:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:52:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:52:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:52:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:52:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:52:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:52:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:52:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:52:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:52:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:52:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:52:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:52:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:52:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:52:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:52:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:52:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:52,988 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:52,991 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:54,736 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:55,371 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:55,372 INFO L308 CfgBuilder]: Removed 28 assume(true) statements. [2023-11-21 18:52:55,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:55 BoogieIcfgContainer [2023-11-21 18:52:55,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:55,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:55,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:55,386 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:55,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:55" (1/1) ... [2023-11-21 18:52:55,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 393 states and 543 transitions. [2023-11-21 18:52:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 543 transitions. [2023-11-21 18:52:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:52:55,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 395 states and 546 transitions. [2023-11-21 18:52:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 546 transitions. [2023-11-21 18:52:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:56,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 396 states and 547 transitions. [2023-11-21 18:52:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 547 transitions. [2023-11-21 18:52:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:52:56,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 398 states and 550 transitions. [2023-11-21 18:52:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 550 transitions. [2023-11-21 18:52:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:52:56,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 397 states and 549 transitions. [2023-11-21 18:52:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 549 transitions. [2023-11-21 18:52:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:56,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 398 states and 550 transitions. [2023-11-21 18:52:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 550 transitions. [2023-11-21 18:52:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:57,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:57,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 397 states and 549 transitions. [2023-11-21 18:52:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 549 transitions. [2023-11-21 18:52:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:57,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:52:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 396 states and 548 transitions. [2023-11-21 18:52:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 548 transitions. [2023-11-21 18:52:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:57,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:57,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 399 states and 551 transitions. [2023-11-21 18:52:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2023-11-21 18:52:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:58,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 402 states and 554 transitions. [2023-11-21 18:52:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 554 transitions. [2023-11-21 18:52:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:58,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 405 states and 557 transitions. [2023-11-21 18:52:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 557 transitions. [2023-11-21 18:52:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:59,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 408 states and 560 transitions. [2023-11-21 18:52:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 560 transitions. [2023-11-21 18:52:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:52:59,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 411 states and 563 transitions. [2023-11-21 18:53:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 563 transitions. [2023-11-21 18:53:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:00,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 414 states and 566 transitions. [2023-11-21 18:53:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 566 transitions. [2023-11-21 18:53:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:01,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 417 states and 569 transitions. [2023-11-21 18:53:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 569 transitions. [2023-11-21 18:53:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:01,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 420 states and 571 transitions. [2023-11-21 18:53:02,556 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 571 transitions. [2023-11-21 18:53:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:53:02,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 419 states and 570 transitions. [2023-11-21 18:53:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 570 transitions. [2023-11-21 18:53:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:53:03,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 418 states and 569 transitions. [2023-11-21 18:53:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 569 transitions. [2023-11-21 18:53:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:53:03,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 417 states and 568 transitions. [2023-11-21 18:53:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 568 transitions. [2023-11-21 18:53:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:53:03,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 419 states and 571 transitions. [2023-11-21 18:53:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 571 transitions. [2023-11-21 18:53:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:53:04,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 422 states and 575 transitions. [2023-11-21 18:53:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 575 transitions. [2023-11-21 18:53:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:53:04,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 423 states and 576 transitions. [2023-11-21 18:53:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 576 transitions. [2023-11-21 18:53:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:53:04,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 424 states and 577 transitions. [2023-11-21 18:53:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 577 transitions. [2023-11-21 18:53:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:53:04,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 426 states and 580 transitions. [2023-11-21 18:53:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 580 transitions. [2023-11-21 18:53:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:53:05,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:53:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 432 states and 591 transitions. [2023-11-21 18:53:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 591 transitions. [2023-11-21 18:53:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:53:05,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:53:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 431 states and 590 transitions. [2023-11-21 18:53:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 590 transitions. [2023-11-21 18:53:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:53:06,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:53:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 432 states and 591 transitions. [2023-11-21 18:53:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 591 transitions. [2023-11-21 18:53:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:53:06,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 435 states and 596 transitions. [2023-11-21 18:53:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 596 transitions. [2023-11-21 18:53:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:07,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 439 states and 601 transitions. [2023-11-21 18:53:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 601 transitions. [2023-11-21 18:53:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:07,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:53:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2023-11-21 18:53:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2023-11-21 18:53:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:08,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:08,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:53:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 440 states and 603 transitions. [2023-11-21 18:53:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 603 transitions. [2023-11-21 18:53:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:09,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 444 states and 608 transitions. [2023-11-21 18:53:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 608 transitions. [2023-11-21 18:53:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:09,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-21 18:53:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 443 states and 607 transitions. [2023-11-21 18:53:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 607 transitions. [2023-11-21 18:53:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:10,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:53:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 445 states and 608 transitions. [2023-11-21 18:53:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2023-11-21 18:53:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:53:11,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 444 states and 607 transitions. [2023-11-21 18:53:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 607 transitions. [2023-11-21 18:53:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:11,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 448 states and 612 transitions. [2023-11-21 18:53:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 612 transitions. [2023-11-21 18:53:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:12,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:53:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 449 states and 613 transitions. [2023-11-21 18:53:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 613 transitions. [2023-11-21 18:53:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:53:12,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 451 states and 615 transitions. [2023-11-21 18:53:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 615 transitions. [2023-11-21 18:53:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:53:13,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:53:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 452 states and 616 transitions. [2023-11-21 18:53:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 616 transitions. [2023-11-21 18:53:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:53:14,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:14,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 455 states and 620 transitions. [2023-11-21 18:53:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 620 transitions. [2023-11-21 18:53:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:53:14,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 459 states and 625 transitions. [2023-11-21 18:53:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 625 transitions. [2023-11-21 18:53:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:53:15,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 460 states and 626 transitions. [2023-11-21 18:53:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 626 transitions. [2023-11-21 18:53:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:53:15,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 462 states and 629 transitions. [2023-11-21 18:53:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 629 transitions. [2023-11-21 18:53:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:53:15,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:53:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 471 states and 644 transitions. [2023-11-21 18:53:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 644 transitions. [2023-11-21 18:53:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:53:18,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:18,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 470 states and 642 transitions. [2023-11-21 18:53:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 642 transitions. [2023-11-21 18:53:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:53:18,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 469 states and 641 transitions. [2023-11-21 18:53:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 641 transitions. [2023-11-21 18:53:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:53:18,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:18,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:53:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 479 states and 656 transitions. [2023-11-21 18:53:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 656 transitions. [2023-11-21 18:53:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:53:21,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:21,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 478 states and 655 transitions. [2023-11-21 18:53:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 655 transitions. [2023-11-21 18:53:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:53:22,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 477 states and 654 transitions. [2023-11-21 18:53:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 654 transitions. [2023-11-21 18:53:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:53:22,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 476 states and 653 transitions. [2023-11-21 18:53:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 653 transitions. [2023-11-21 18:53:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:53:23,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:23,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 480 states and 658 transitions. [2023-11-21 18:53:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 658 transitions. [2023-11-21 18:53:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:53:23,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 479 states and 657 transitions. [2023-11-21 18:53:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 657 transitions. [2023-11-21 18:53:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:53:23,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:23,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:53:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 480 states and 657 transitions. [2023-11-21 18:53:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 657 transitions. [2023-11-21 18:53:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:53:24,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:24,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 484 states and 662 transitions. [2023-11-21 18:53:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 662 transitions. [2023-11-21 18:53:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:53:25,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:53:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 486 states and 663 transitions. [2023-11-21 18:53:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 663 transitions. [2023-11-21 18:53:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:53:26,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:53:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 488 states and 664 transitions. [2023-11-21 18:53:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 664 transitions. [2023-11-21 18:53:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:53:26,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:53:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 488 states and 660 transitions. [2023-11-21 18:53:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 660 transitions. [2023-11-21 18:53:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:53:26,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:53:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 490 states and 664 transitions. [2023-11-21 18:53:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 664 transitions. [2023-11-21 18:53:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:53:28,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat