./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/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_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/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 32bit --witnessprinter.graph.data.programhash 277634da297b7f9e262585608ed7ad62cca7d59b0122d4e61ee1b4b78256acae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:31,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:31,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:31,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:31,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:31,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:31,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:31,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:31,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:31,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:31,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:31,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:31,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:31,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:31,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:31,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:31,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:31,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:31,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:31,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:31,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:31,545 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:31,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:31,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:31,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:31,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:31,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:31,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:31,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:31,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:31,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:31,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:31,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:31,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:31,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:31,552 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_6c5d1254-f920-4d76-85e3-783cb5f30a79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 277634da297b7f9e262585608ed7ad62cca7d59b0122d4e61ee1b4b78256acae [2023-11-21 18:41:31,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:31,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:31,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:31,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:31,946 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:31,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2023-11-21 18:41:35,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:35,895 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:35,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2023-11-21 18:41:35,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/data/b737c1d98/2a4156a8150a4dac971b2a75ea3196bf/FLAG3528eddea [2023-11-21 18:41:35,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/data/b737c1d98/2a4156a8150a4dac971b2a75ea3196bf [2023-11-21 18:41:35,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:35,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:35,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:35,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:35,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:35,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:35" (1/1) ... [2023-11-21 18:41:35,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fad5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:35, skipping insertion in model container [2023-11-21 18:41:35,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:35" (1/1) ... [2023-11-21 18:41:36,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:36,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:36,593 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:36,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:36,736 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:36,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36 WrapperNode [2023-11-21 18:41:36,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:36,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:36,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:36,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:36,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,842 INFO L138 Inliner]: procedures = 127, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-21 18:41:36,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:36,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:36,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:36,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:36,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:36,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:36,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:36,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:36,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:36" (1/1) ... [2023-11-21 18:41:36,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:36,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:36,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:36,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5d1254-f920-4d76-85e3-783cb5f30a79/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-21 18:41:37,034 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-21 18:41:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:41:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:41:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:37,190 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:37,193 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:37,473 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:37,576 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:37,576 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:41:37,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:37 BoogieIcfgContainer [2023-11-21 18:41:37,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:37,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:37,580 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:37,595 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:37,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:37" (1/1) ... [2023-11-21 18:41:37,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-21 18:41:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-21 18:41:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:37,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,241 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 18:41:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-21 18:41:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-21 18:41:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:38,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,543 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 18:41:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-21 18:41:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-21 18:41:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:38,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:41:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 43 transitions. [2023-11-21 18:41:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-21 18:41:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:41:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 41 transitions. [2023-11-21 18:41:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-21 18:41:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:39,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:41:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 41 transitions. [2023-11-21 18:41:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:41:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:39,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 45 transitions. [2023-11-21 18:41:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-21 18:41:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:40,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 46 transitions. [2023-11-21 18:41:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-21 18:41:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:40,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 53 transitions. [2023-11-21 18:41:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-21 18:41:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:41,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 55 transitions. [2023-11-21 18:41:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2023-11-21 18:41:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:41,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:41,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:41:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 58 transitions. [2023-11-21 18:41:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-21 18:41:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:41,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 65 transitions. [2023-11-21 18:41:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-21 18:41:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:42,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 51 states and 73 transitions. [2023-11-21 18:41:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2023-11-21 18:41:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:43,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:41:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 77 transitions. [2023-11-21 18:41:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2023-11-21 18:41:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:44,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 77 transitions. [2023-11-21 18:41:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2023-11-21 18:41:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:41:44,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 85 transitions. [2023-11-21 18:41:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-21 18:41:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:41:45,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-21 18:41:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 88 transitions. [2023-11-21 18:41:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-11-21 18:41:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:46,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 96 transitions. [2023-11-21 18:41:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2023-11-21 18:41:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:47,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:41:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 99 transitions. [2023-11-21 18:41:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2023-11-21 18:41:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:41:47,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 107 transitions. [2023-11-21 18:41:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2023-11-21 18:41:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:48,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-21 18:41:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 76 states and 110 transitions. [2023-11-21 18:41:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2023-11-21 18:41:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:49,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:50,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 80 states and 118 transitions. [2023-11-21 18:41:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-21 18:41:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:41:50,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-21 18:41:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 83 states and 121 transitions. [2023-11-21 18:41:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2023-11-21 18:41:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:41:51,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 129 transitions. [2023-11-21 18:41:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-21 18:41:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:41:52,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:52,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-21 18:41:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 90 states and 132 transitions. [2023-11-21 18:41:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-11-21 18:41:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:41:53,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 94 states and 140 transitions. [2023-11-21 18:41:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2023-11-21 18:41:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:41:54,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-21 18:41:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 143 transitions. [2023-11-21 18:41:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2023-11-21 18:41:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:41:55,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 151 transitions. [2023-11-21 18:41:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2023-11-21 18:41:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:41:57,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-21 18:41:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 104 states and 154 transitions. [2023-11-21 18:41:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:41:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:41:57,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:57,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:41:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 108 states and 162 transitions. [2023-11-21 18:41:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 162 transitions. [2023-11-21 18:41:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:41:59,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-11-21 18:42:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 165 transitions. [2023-11-21 18:42:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2023-11-21 18:42:00,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:42:00,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:42:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 173 transitions. [2023-11-21 18:42:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2023-11-21 18:42:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:42:02,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:42:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 176 transitions. [2023-11-21 18:42:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2023-11-21 18:42:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:42:03,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:42:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 184 transitions. [2023-11-21 18:42:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 184 transitions. [2023-11-21 18:42:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:42:05,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-21 18:42:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 125 states and 187 transitions. [2023-11-21 18:42:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2023-11-21 18:42:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:42:05,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:42:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 129 states and 195 transitions. [2023-11-21 18:42:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 195 transitions. [2023-11-21 18:42:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:42:07,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-21 18:42:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 198 transitions. [2023-11-21 18:42:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 198 transitions. [2023-11-21 18:42:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:42:08,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:42:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 206 transitions. [2023-11-21 18:42:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2023-11-21 18:42:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:42:11,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:11,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-11-21 18:42:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 139 states and 209 transitions. [2023-11-21 18:42:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 209 transitions. [2023-11-21 18:42:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:42:11,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:42:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 217 transitions. [2023-11-21 18:42:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2023-11-21 18:42:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:42:14,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-21 18:42:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 146 states and 220 transitions. [2023-11-21 18:42:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-21 18:42:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:42:15,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:15,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat