./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/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_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/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_d8aa2c65-b480-4285-a370-22152571f0f3/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 02a989da6ea0e1ad4de19118afee49065b0b83aa621868b65efb180285385f84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:23,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:23,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:35:23,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:23,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:23,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:23,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:23,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:23,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:23,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:23,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:23,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:23,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:23,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:23,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:23,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:23,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:23,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:23,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:23,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:23,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:23,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:23,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:23,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:23,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:23,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:23,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:23,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:23,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:23,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:23,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:23,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:23,189 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_d8aa2c65-b480-4285-a370-22152571f0f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a989da6ea0e1ad4de19118afee49065b0b83aa621868b65efb180285385f84 [2023-11-21 18:35:23,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:23,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:23,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:23,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:23,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:23,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2023-11-21 18:35:26,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:27,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:27,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2023-11-21 18:35:27,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/data/0b399f965/d536fa51800b42ed93a08912dfea1521/FLAG4924e902e [2023-11-21 18:35:27,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/data/0b399f965/d536fa51800b42ed93a08912dfea1521 [2023-11-21 18:35:27,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:27,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:27,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:27,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:27,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:27,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:27" (1/1) ... [2023-11-21 18:35:27,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255ba4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:27, skipping insertion in model container [2023-11-21 18:35:27,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:27" (1/1) ... [2023-11-21 18:35:27,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:28,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:28,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:29,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:29,472 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,473 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,473 WARN L675 CHandler]: The function strspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,481 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:29,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29 WrapperNode [2023-11-21 18:35:29,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:29,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:29,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:29,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,605 INFO L138 Inliner]: procedures = 633, calls = 241, calls flagged for inlining = 17, calls inlined = 15, statements flattened = 795 [2023-11-21 18:35:29,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:29,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:29,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:29,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:29,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:29,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:29,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:29,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:29,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8aa2c65-b480-4285-a370-22152571f0f3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:35:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:35:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-21 18:35:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-21 18:35:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:35:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:35:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:35:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:35:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:35:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:35:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:35:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:35:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:35:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:35:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:35:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:35:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:35:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-21 18:35:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-21 18:35:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2023-11-21 18:35:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-21 18:35:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:35:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:35:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:35:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:30,334 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:30,339 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:31,225 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:31,391 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:31,391 INFO L308 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-21 18:35:31,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:31 BoogieIcfgContainer [2023-11-21 18:35:31,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:31,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:31,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:31,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:31,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 201 states and 256 transitions. [2023-11-21 18:35:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 256 transitions. [2023-11-21 18:35:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:35:31,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,005 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 18:35:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 203 states and 259 transitions. [2023-11-21 18:35:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2023-11-21 18:35:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:32,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,260 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 18:35:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 204 states and 260 transitions. [2023-11-21 18:35:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 260 transitions. [2023-11-21 18:35:32,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:35:32,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,466 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 18:35:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 206 states and 263 transitions. [2023-11-21 18:35:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 263 transitions. [2023-11-21 18:35:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:32,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,667 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 18:35:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 205 states and 262 transitions. [2023-11-21 18:35:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 262 transitions. [2023-11-21 18:35:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:35:32,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,986 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 18:35:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 206 states and 263 transitions. [2023-11-21 18:35:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 263 transitions. [2023-11-21 18:35:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:35:33,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,255 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 18:35:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 205 states and 262 transitions. [2023-11-21 18:35:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 262 transitions. [2023-11-21 18:35:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:35:33,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,574 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 18:35:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 204 states and 261 transitions. [2023-11-21 18:35:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 261 transitions. [2023-11-21 18:35:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:35:33,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,806 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 18:35:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-21 18:35:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-21 18:35:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:35:34,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,270 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 18:35:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-21 18:35:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-21 18:35:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:34,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,708 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 18:35:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 213 states and 270 transitions. [2023-11-21 18:35:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2023-11-21 18:35:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:34,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:35,153 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 18:35:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 216 states and 273 transitions. [2023-11-21 18:35:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 273 transitions. [2023-11-21 18:35:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:35,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:35,677 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 18:35:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 219 states and 276 transitions. [2023-11-21 18:35:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 276 transitions. [2023-11-21 18:35:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:35,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:36,302 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 18:35:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 222 states and 279 transitions. [2023-11-21 18:35:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 279 transitions. [2023-11-21 18:35:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:35:36,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:37,017 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 18:35:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 225 states and 282 transitions. [2023-11-21 18:35:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-11-21 18:35:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:35:37,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:37,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:37,765 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 18:35:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 228 states and 284 transitions. [2023-11-21 18:35:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 284 transitions. [2023-11-21 18:35:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:35:37,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:37,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:38,431 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 18:35:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 227 states and 283 transitions. [2023-11-21 18:35:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 283 transitions. [2023-11-21 18:35:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:35:38,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:38,876 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 18:35:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 226 states and 282 transitions. [2023-11-21 18:35:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2023-11-21 18:35:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:35:38,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:39,078 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 18:35:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 225 states and 281 transitions. [2023-11-21 18:35:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2023-11-21 18:35:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:35:39,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:39,450 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 18:35:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 226 states and 283 transitions. [2023-11-21 18:35:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 283 transitions. [2023-11-21 18:35:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:35:39,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:39,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:39,761 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 18:35:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 227 states and 284 transitions. [2023-11-21 18:35:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2023-11-21 18:35:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:35:39,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:40,000 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 18:35:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 228 states and 285 transitions. [2023-11-21 18:35:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 285 transitions. [2023-11-21 18:35:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:35:40,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:40,268 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 18:35:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 296 transitions. [2023-11-21 18:35:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 296 transitions. [2023-11-21 18:35:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:35:40,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:40,953 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 18:35:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 236 states and 300 transitions. [2023-11-21 18:35:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 300 transitions. [2023-11-21 18:35:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:35:41,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,394 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 18:35:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 210 states and 265 transitions. [2023-11-21 18:35:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 265 transitions. [2023-11-21 18:35:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:35:41,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,561 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 18:35:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 211 states and 266 transitions. [2023-11-21 18:35:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 266 transitions. [2023-11-21 18:35:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:35:41,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,787 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 18:35:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:42,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 210 states and 265 transitions. [2023-11-21 18:35:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 265 transitions. [2023-11-21 18:35:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:35:42,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:42,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:42,543 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 18:35:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 211 states and 267 transitions. [2023-11-21 18:35:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2023-11-21 18:35:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:35:43,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:43,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:43,499 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 18:35:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 212 states and 269 transitions. [2023-11-21 18:35:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2023-11-21 18:35:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:35:44,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:44,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:44,330 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 18:35:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 214 states and 272 transitions. [2023-11-21 18:35:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 272 transitions. [2023-11-21 18:35:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:35:44,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:44,999 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 18:35:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 215 states and 272 transitions. [2023-11-21 18:35:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 272 transitions. [2023-11-21 18:35:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:35:45,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:45,467 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 18:35:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 216 states and 273 transitions. [2023-11-21 18:35:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 273 transitions. [2023-11-21 18:35:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:35:45,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:45,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:45,979 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 18:35:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 217 states and 275 transitions. [2023-11-21 18:35:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 275 transitions. [2023-11-21 18:35:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:35:46,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:35:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 218 states and 275 transitions. [2023-11-21 18:35:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 275 transitions. [2023-11-21 18:35:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:35:46,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 221 states and 278 transitions. [2023-11-21 18:35:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 278 transitions. [2023-11-21 18:35:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:35:47,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 224 states and 281 transitions. [2023-11-21 18:35:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 281 transitions. [2023-11-21 18:35:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:35:48,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:48,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 227 states and 284 transitions. [2023-11-21 18:35:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2023-11-21 18:35:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:35:49,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:49,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 230 states and 287 transitions. [2023-11-21 18:35:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 287 transitions. [2023-11-21 18:35:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:35:50,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 233 states and 290 transitions. [2023-11-21 18:35:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 290 transitions. [2023-11-21 18:35:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:35:51,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 236 states and 293 transitions. [2023-11-21 18:35:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2023-11-21 18:35:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:35:53,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:53,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 239 states and 296 transitions. [2023-11-21 18:35:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 296 transitions. [2023-11-21 18:35:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:54,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:35:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 242 states and 298 transitions. [2023-11-21 18:35:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2023-11-21 18:35:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:35:55,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.