./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.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_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/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_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/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_15016572-9b20-4fc6-98cd-442e4457166f/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 bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:01,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:02,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:02,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:02,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:02,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:02,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:02,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:02,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:02,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:02,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:02,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:02,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:02,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:02,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:02,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:02,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:02,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:02,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:02,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:02,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:02,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:02,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:02,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:02,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:02,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:02,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:02,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:02,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:02,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:02,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:02,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:02,121 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:02,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:02,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:02,121 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_15016572-9b20-4fc6-98cd-442e4457166f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e [2023-11-21 18:30:02,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:02,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:02,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:02,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:02,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:02,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2023-11-21 18:30:06,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:06,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:06,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2023-11-21 18:30:06,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/data/2c3173aab/85d28ff2de52435aa1f3d7645e1745b0/FLAGe6b8a2b1c [2023-11-21 18:30:06,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/data/2c3173aab/85d28ff2de52435aa1f3d7645e1745b0 [2023-11-21 18:30:06,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:06,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:06,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:06,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:06,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:06,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:06" (1/1) ... [2023-11-21 18:30:06,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec76dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:06, skipping insertion in model container [2023-11-21 18:30:06,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:06" (1/1) ... [2023-11-21 18:30:06,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:06,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:06,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:06,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:07,024 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:07,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07 WrapperNode [2023-11-21 18:30:07,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:07,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:07,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:07,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:07,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,089 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2023-11-21 18:30:07,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:07,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:07,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:07,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:07,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:07,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:07,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:07,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:07,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:07,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:07,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15016572-9b20-4fc6-98cd-442e4457166f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:30:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:07,385 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:07,387 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:07,651 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:07,727 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:07,727 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:30:07,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:07 BoogieIcfgContainer [2023-11-21 18:30:07,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:07,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:07,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:07,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:07,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:07" (1/1) ... [2023-11-21 18:30:07,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-21 18:30:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-21 18:30:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:30:07,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,235 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 18:30:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-21 18:30:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-21 18:30:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:08,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,505 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 18:30:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-21 18:30:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-21 18:30:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:30:08,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,656 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 18:30:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-21 18:30:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-21 18:30:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:30:08,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,922 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 18:30:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2023-11-21 18:30:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-21 18:30:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:30:09,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:09,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:09,395 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 18:30:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2023-11-21 18:30:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-21 18:30:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:09,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:09,877 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 18:30:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2023-11-21 18:30:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2023-11-21 18:30:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:09,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:09,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:10,121 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 18:30:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2023-11-21 18:30:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2023-11-21 18:30:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:30:11,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2023-11-21 18:30:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-21 18:30:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:30:11,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:11,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:11,735 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 18:30:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2023-11-21 18:30:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-21 18:30:13,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:30:13,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2023-11-21 18:30:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-11-21 18:30:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:30:13,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:13,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:13,883 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 18:30:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2023-11-21 18:30:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2023-11-21 18:30:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:14,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 109 transitions. [2023-11-21 18:30:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-11-21 18:30:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:15,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2023-11-21 18:30:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-21 18:30:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:15,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2023-11-21 18:30:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2023-11-21 18:30:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:16,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,150 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 18:30:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2023-11-21 18:30:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-21 18:30:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:16,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,214 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 18:30:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2023-11-21 18:30:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2023-11-21 18:30:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:17,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:17,435 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 18:30:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 86 states and 142 transitions. [2023-11-21 18:30:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 142 transitions. [2023-11-21 18:30:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:18,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 154 transitions. [2023-11-21 18:30:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2023-11-21 18:30:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:19,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,013 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 18:30:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2023-11-21 18:30:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2023-11-21 18:30:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:20,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2023-11-21 18:30:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2023-11-21 18:30:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:20,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,821 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 18:30:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2023-11-21 18:30:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2023-11-21 18:30:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:21,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 97 states and 156 transitions. [2023-11-21 18:30:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2023-11-21 18:30:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:21,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 158 transitions. [2023-11-21 18:30:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2023-11-21 18:30:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:22,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,839 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 18:30:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 170 transitions. [2023-11-21 18:30:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2023-11-21 18:30:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:24,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:30:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2023-11-21 18:30:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2023-11-21 18:30:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:25,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 111 states and 179 transitions. [2023-11-21 18:30:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2023-11-21 18:30:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:27,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 113 states and 180 transitions. [2023-11-21 18:30:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2023-11-21 18:30:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:27,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 114 states and 180 transitions. [2023-11-21 18:30:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2023-11-21 18:30:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:27,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 118 states and 187 transitions. [2023-11-21 18:30:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2023-11-21 18:30:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:30:29,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:29,513 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 18:30:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2023-11-21 18:30:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2023-11-21 18:30:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:34,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:34,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:30:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 131 states and 214 transitions. [2023-11-21 18:30:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2023-11-21 18:30:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:35,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:35,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:36,061 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 18:30:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 238 transitions. [2023-11-21 18:30:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2023-11-21 18:30:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:40,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 250 transitions. [2023-11-21 18:30:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2023-11-21 18:30:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:42,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 148 states and 251 transitions. [2023-11-21 18:30:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 251 transitions. [2023-11-21 18:30:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:42,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2023-11-21 18:30:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2023-11-21 18:30:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:43,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 114 states and 179 transitions. [2023-11-21 18:30:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 179 transitions. [2023-11-21 18:30:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:44,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:44,451 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 18:30:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 195 transitions. [2023-11-21 18:30:46,364 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2023-11-21 18:30:46,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:46,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:46,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 124 states and 207 transitions. [2023-11-21 18:30:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2023-11-21 18:30:47,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:47,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:48,053 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 18:30:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 208 transitions. [2023-11-21 18:30:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2023-11-21 18:30:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:48,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 127 states and 208 transitions. [2023-11-21 18:30:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2023-11-21 18:30:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:49,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:49,110 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 18:30:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 128 states and 208 transitions. [2023-11-21 18:30:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions. [2023-11-21 18:30:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:49,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:30:50,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 130 states and 209 transitions. [2023-11-21 18:30:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 209 transitions. [2023-11-21 18:30:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:50,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:50,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 135 states and 226 transitions. [2023-11-21 18:30:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2023-11-21 18:30:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:52,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:52,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:30:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2023-11-21 18:30:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2023-11-21 18:30:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:53,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.