./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-2.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_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/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_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/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_01ad8336-b5a2-4177-9919-98934a2756cc/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 a989ad204b62b0ad799eb5fb24f5ec1137114a47bde01542cca1a961db508a54 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:56,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:57,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:37:57,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:57,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:57,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:57,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:57,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:57,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:57,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:57,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:57,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:57,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:57,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:57,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:57,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:57,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:57,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:57,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:57,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:57,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:57,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:57,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:57,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:57,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:57,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:57,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:57,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:57,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:57,103 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:57,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:57,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:57,105 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_01ad8336-b5a2-4177-9919-98934a2756cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a989ad204b62b0ad799eb5fb24f5ec1137114a47bde01542cca1a961db508a54 [2023-11-21 18:37:57,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:57,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:57,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:57,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:57,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:57,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/seq-2.i [2023-11-21 18:38:00,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:00,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:00,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/sv-benchmarks/c/busybox-1.22.0/seq-2.i [2023-11-21 18:38:01,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/data/24b2c844f/1f97aad5b42d44e1831e8f441a008684/FLAG68cd20a45 [2023-11-21 18:38:01,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/data/24b2c844f/1f97aad5b42d44e1831e8f441a008684 [2023-11-21 18:38:01,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:01,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:01,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:01,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:01,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:01,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2e25be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01, skipping insertion in model container [2023-11-21 18:38:01,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:02,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:02,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:03,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:03,166 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:03,166 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:03,166 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:03,174 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:03,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03 WrapperNode [2023-11-21 18:38:03,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:03,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:03,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:03,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:03,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,418 INFO L138 Inliner]: procedures = 569, calls = 363, calls flagged for inlining = 23, calls inlined = 22, statements flattened = 1679 [2023-11-21 18:38:03,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:03,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:03,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:03,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:03,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:03,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:03,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:03,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:03,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:03" (1/1) ... [2023-11-21 18:38:03,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:03,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:03,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:03,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ad8336-b5a2-4177-9919-98934a2756cc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-21 18:38:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:38:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:38:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:38:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:38:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:38:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:38:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:38:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:38:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:38:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:38:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:38:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:38:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:38:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:38:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:38:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:38:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:38:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2023-11-21 18:38:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2023-11-21 18:38:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:38:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-21 18:38:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-21 18:38:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:38:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:38:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:38:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:38:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:04,129 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:04,131 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:05,842 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:06,523 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:06,524 INFO L308 CfgBuilder]: Removed 28 assume(true) statements. [2023-11-21 18:38:06,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:06 BoogieIcfgContainer [2023-11-21 18:38:06,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:06,528 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:06,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:06,539 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:06,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:06" (1/1) ... [2023-11-21 18:38:06,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 383 states and 530 transitions. [2023-11-21 18:38:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 530 transitions. [2023-11-21 18:38:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:38:06,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,218 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 18:38:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 385 states and 533 transitions. [2023-11-21 18:38:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 533 transitions. [2023-11-21 18:38:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:38:07,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,424 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 18:38:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 386 states and 534 transitions. [2023-11-21 18:38:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 534 transitions. [2023-11-21 18:38:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:38:07,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,733 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 18:38:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 388 states and 537 transitions. [2023-11-21 18:38:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 537 transitions. [2023-11-21 18:38:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:38:07,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,952 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 18:38:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 387 states and 536 transitions. [2023-11-21 18:38:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 536 transitions. [2023-11-21 18:38:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:08,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:08,237 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 18:38:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 388 states and 537 transitions. [2023-11-21 18:38:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 537 transitions. [2023-11-21 18:38:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:08,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:08,525 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 18:38:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 387 states and 536 transitions. [2023-11-21 18:38:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 536 transitions. [2023-11-21 18:38:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:38:08,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:08,835 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 18:38:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 386 states and 535 transitions. [2023-11-21 18:38:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 535 transitions. [2023-11-21 18:38:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:38:08,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:09,105 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 18:38:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 389 states and 538 transitions. [2023-11-21 18:38:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 538 transitions. [2023-11-21 18:38:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:38:09,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:09,590 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 18:38:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 392 states and 541 transitions. [2023-11-21 18:38:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 541 transitions. [2023-11-21 18:38:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:38:09,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:10,080 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 18:38:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 395 states and 544 transitions. [2023-11-21 18:38:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 544 transitions. [2023-11-21 18:38:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:38:10,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:10,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:10,602 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 18:38:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 398 states and 547 transitions. [2023-11-21 18:38:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 547 transitions. [2023-11-21 18:38:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:38:10,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,118 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 18:38:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 401 states and 550 transitions. [2023-11-21 18:38:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 550 transitions. [2023-11-21 18:38:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:11,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,658 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 18:38:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 404 states and 553 transitions. [2023-11-21 18:38:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 553 transitions. [2023-11-21 18:38:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:38:11,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:12,264 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 18:38:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 407 states and 556 transitions. [2023-11-21 18:38:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 556 transitions. [2023-11-21 18:38:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:12,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:12,995 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 18:38:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 410 states and 558 transitions. [2023-11-21 18:38:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 558 transitions. [2023-11-21 18:38:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:38:13,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:13,605 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 18:38:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 409 states and 557 transitions. [2023-11-21 18:38:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 557 transitions. [2023-11-21 18:38:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:38:13,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:13,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:14,028 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 18:38:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 408 states and 556 transitions. [2023-11-21 18:38:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 556 transitions. [2023-11-21 18:38:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:38:14,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:14,252 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 18:38:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 407 states and 555 transitions. [2023-11-21 18:38:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 555 transitions. [2023-11-21 18:38:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:38:14,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:14,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:14,631 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 18:38:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 409 states and 558 transitions. [2023-11-21 18:38:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 558 transitions. [2023-11-21 18:38:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:38:14,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:14,979 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 18:38:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 412 states and 562 transitions. [2023-11-21 18:38:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 562 transitions. [2023-11-21 18:38:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:38:15,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:15,248 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 18:38:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 413 states and 563 transitions. [2023-11-21 18:38:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 563 transitions. [2023-11-21 18:38:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:38:15,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:15,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:15,446 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 18:38:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 414 states and 564 transitions. [2023-11-21 18:38:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 564 transitions. [2023-11-21 18:38:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:15,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:15,731 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 18:38:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 416 states and 567 transitions. [2023-11-21 18:38:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 567 transitions. [2023-11-21 18:38:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:15,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:15,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:16,165 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 18:38:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 422 states and 578 transitions. [2023-11-21 18:38:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 578 transitions. [2023-11-21 18:38:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:38:16,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:16,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:16,868 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 18:38:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 421 states and 577 transitions. [2023-11-21 18:38:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 577 transitions. [2023-11-21 18:38:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:38:17,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:17,364 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 18:38:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 422 states and 578 transitions. [2023-11-21 18:38:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 578 transitions. [2023-11-21 18:38:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:38:17,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:17,680 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 18:38:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 425 states and 583 transitions. [2023-11-21 18:38:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 583 transitions. [2023-11-21 18:38:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:38:17,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:18,143 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 18:38:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 429 states and 588 transitions. [2023-11-21 18:38:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 588 transitions. [2023-11-21 18:38:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:38:18,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:18,691 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 18:38:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 431 states and 591 transitions. [2023-11-21 18:38:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 591 transitions. [2023-11-21 18:38:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:38:19,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:19,481 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 18:38:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 433 states and 595 transitions. [2023-11-21 18:38:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 595 transitions. [2023-11-21 18:38:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:38:20,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:20,303 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 18:38:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 437 states and 600 transitions. [2023-11-21 18:38:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 600 transitions. [2023-11-21 18:38:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:38:20,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:20,779 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 18:38:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 436 states and 599 transitions. [2023-11-21 18:38:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 599 transitions. [2023-11-21 18:38:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:38:21,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-21 18:38:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 433 states and 594 transitions. [2023-11-21 18:38:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 594 transitions. [2023-11-21 18:38:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:38:21,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:21,960 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 18:38:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 595 transitions. [2023-11-21 18:38:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 595 transitions. [2023-11-21 18:38:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:38:22,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:22,632 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 18:38:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 436 states and 596 transitions. [2023-11-21 18:38:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 596 transitions. [2023-11-21 18:38:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:38:22,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:22,998 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 18:38:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 440 states and 601 transitions. [2023-11-21 18:38:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 601 transitions. [2023-11-21 18:38:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:38:23,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:23,573 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 18:38:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 441 states and 602 transitions. [2023-11-21 18:38:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 602 transitions. [2023-11-21 18:38:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:38:23,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:24,241 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 18:38:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 442 states and 603 transitions. [2023-11-21 18:38:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 603 transitions. [2023-11-21 18:38:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:38:24,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:24,470 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 18:38:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 443 states and 604 transitions. [2023-11-21 18:38:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 604 transitions. [2023-11-21 18:38:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:38:24,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:24,962 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 18:38:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 446 states and 608 transitions. [2023-11-21 18:38:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 608 transitions. [2023-11-21 18:38:25,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:38:25,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:25,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:25,683 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 18:38:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 450 states and 613 transitions. [2023-11-21 18:38:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 613 transitions. [2023-11-21 18:38:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:38:25,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:26,144 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 18:38:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 451 states and 614 transitions. [2023-11-21 18:38:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 614 transitions. [2023-11-21 18:38:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:38:26,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:26,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:26,390 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 18:38:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 453 states and 617 transitions. [2023-11-21 18:38:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 617 transitions. [2023-11-21 18:38:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:38:26,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:26,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:26,792 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 18:38:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 462 states and 632 transitions. [2023-11-21 18:38:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 632 transitions. [2023-11-21 18:38:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:38:28,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:29,019 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 18:38:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 461 states and 630 transitions. [2023-11-21 18:38:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 630 transitions. [2023-11-21 18:38:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:38:29,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:29,417 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 18:38:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 460 states and 629 transitions. [2023-11-21 18:38:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 629 transitions. [2023-11-21 18:38:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:38:29,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:29,907 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 18:38:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 470 states and 644 transitions. [2023-11-21 18:38:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 644 transitions. [2023-11-21 18:38:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:38:31,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:31,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:32,126 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 18:38:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 469 states and 643 transitions. [2023-11-21 18:38:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 643 transitions. [2023-11-21 18:38:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:38:32,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:32,506 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 18:38:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 468 states and 642 transitions. [2023-11-21 18:38:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 642 transitions. [2023-11-21 18:38:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:38:32,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:32,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:33,134 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 18:38:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 467 states and 641 transitions. [2023-11-21 18:38:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 641 transitions. [2023-11-21 18:38:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:38:33,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:33,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:33,850 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 18:38:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 471 states and 646 transitions. [2023-11-21 18:38:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 646 transitions. [2023-11-21 18:38:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:38:34,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:34,312 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 18:38:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 470 states and 645 transitions. [2023-11-21 18:38:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 645 transitions. [2023-11-21 18:38:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:38:34,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:34,544 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 18:38:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 471 states and 645 transitions. [2023-11-21 18:38:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 645 transitions. [2023-11-21 18:38:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:38:34,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:34,996 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 18:38:35,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 475 states and 650 transitions. [2023-11-21 18:38:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 650 transitions. [2023-11-21 18:38:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:38:35,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:35,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:35,790 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 18:38:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 477 states and 651 transitions. [2023-11-21 18:38:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 651 transitions. [2023-11-21 18:38:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:38:36,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:38:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 476 states and 650 transitions. [2023-11-21 18:38:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 650 transitions. [2023-11-21 18:38:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:38:37,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:37,319 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 18:38:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 478 states and 651 transitions. [2023-11-21 18:38:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 651 transitions. [2023-11-21 18:38:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:38:37,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:37,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:37,880 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 18:38:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 478 states and 647 transitions. [2023-11-21 18:38:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 647 transitions. [2023-11-21 18:38:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:38:37,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:37,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:38,711 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 18:38:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 480 states and 652 transitions. [2023-11-21 18:38:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 652 transitions. [2023-11-21 18:38:39,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:38:39,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.