./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/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_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/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_8771ef81-c0d1-4740-98fc-592f12abe972/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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:54,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:54,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:54,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:54,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:54,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:54,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:54,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:54,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:54,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:54,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:54,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:54,173 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:54,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:54,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:54,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:54,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:54,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:54,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:54,177 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:54,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:54,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:54,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:54,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:54,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:54,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:54,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:54,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:54,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:54,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:54,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:54,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:54,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:54,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:54,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:54,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2023-11-21 18:50:54,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:54,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:54,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:54,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:54,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:54,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-21 18:50:57,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:58,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:58,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-21 18:50:58,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/data/0c1782175/c229139695ff4f3eb20a01f99e1cb7c3/FLAG033818061 [2023-11-21 18:50:58,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/data/0c1782175/c229139695ff4f3eb20a01f99e1cb7c3 [2023-11-21 18:50:58,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:58,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:58,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:58,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:58,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:58,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13eb5e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58, skipping insertion in model container [2023-11-21 18:50:58,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:58,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:58,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:58,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:58,353 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:58,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58 WrapperNode [2023-11-21 18:50:58,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:58,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:58,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:58,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:58,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,395 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-21 18:50:58,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:58,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:58,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:58,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:58,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:58,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:58,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:58,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:58,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:58,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:58,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8771ef81-c0d1-4740-98fc-592f12abe972/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:50:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:50:58,555 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:58,557 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:58,938 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:58,982 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:58,983 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:50:58,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:58 BoogieIcfgContainer [2023-11-21 18:50:58,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:58,985 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:58,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:59,004 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:59,005 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:59,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-21 18:50:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-21 18:50:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:50:59,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,222 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 18:50:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-21 18:50:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-21 18:50:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:50:59,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,370 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 18:50:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-21 18:50:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-21 18:50:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:50:59,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,473 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 18:50:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-21 18:50:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-21 18:50:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:59,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,534 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 18:50:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-21 18:50:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-21 18:50:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:50:59,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,716 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 18:50:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-21 18:50:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-21 18:50:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:59,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,783 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 18:50:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-21 18:50:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-21 18:50:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:59,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,828 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 18:50:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-21 18:50:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-21 18:50:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:59,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,892 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 18:50:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-21 18:50:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-21 18:50:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:59,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,952 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 18:50:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-21 18:50:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-21 18:50:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:59,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,008 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 18:51:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-21 18:51:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-21 18:51:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:51:00,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,056 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 18:51:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-21 18:51:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-21 18:51:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:51:00,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,101 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 18:51:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-21 18:51:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-21 18:51:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:51:00,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,142 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 18:51:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-21 18:51:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-21 18:51:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:00,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,283 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 18:51:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-21 18:51:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-21 18:51:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:51:00,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-21 18:51:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-21 18:51:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:51:00,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-21 18:51:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-21 18:51:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:51:00,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-21 18:51:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-21 18:51:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:01,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:01,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:01,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-21 18:51:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-21 18:51:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:51:02,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-21 18:51:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-21 18:51:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:51:02,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-21 18:51:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-21 18:51:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:03,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-21 18:51:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-21 18:51:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:03,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-21 18:51:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-21 18:51:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:51:04,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-21 18:51:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-21 18:51:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:04,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-21 18:51:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-21 18:51:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:05,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-21 18:51:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-21 18:51:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:51:05,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-21 18:51:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-21 18:51:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:06,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:06,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-21 18:51:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-21 18:51:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:07,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-21 18:51:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-21 18:51:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:51:07,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-21 18:51:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-21 18:51:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:51:08,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:08,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-21 18:51:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-21 18:51:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:09,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-21 18:51:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-21 18:51:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:09,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-21 18:51:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-21 18:51:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:09,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-21 18:51:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-21 18:51:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:09,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-21 18:51:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-21 18:51:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:51:10,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-21 18:51:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-21 18:51:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:51:13,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-21 18:51:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-21 18:51:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:15,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-21 18:51:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-21 18:51:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:15,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-21 18:51:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-21 18:51:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:15,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:17,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-21 18:51:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-21 18:51:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:17,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:17,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-21 18:51:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-21 18:51:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:18,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:18,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-21 18:51:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-21 18:51:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:21,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-21 18:51:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-21 18:51:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:21,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-21 18:51:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-21 18:51:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:21,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 364 states and 532 transitions. [2023-11-21 18:51:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 532 transitions. [2023-11-21 18:51:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:23,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:23,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-21 18:51:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-21 18:51:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:24,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:24,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 378 states and 560 transitions. [2023-11-21 18:51:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 560 transitions. [2023-11-21 18:51:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:26,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:26,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:26,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:30,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 405 states and 596 transitions. [2023-11-21 18:51:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 596 transitions. [2023-11-21 18:51:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:30,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:30,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:30,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 408 states and 600 transitions. [2023-11-21 18:51:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 600 transitions. [2023-11-21 18:51:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:31,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:31,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:51:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 407 states and 599 transitions. [2023-11-21 18:51:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 599 transitions. [2023-11-21 18:51:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:32,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 406 states and 598 transitions. [2023-11-21 18:51:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 598 transitions. [2023-11-21 18:51:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:51:32,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-21 18:51:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-21 18:51:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:51:32,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 419 states and 626 transitions. [2023-11-21 18:51:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 626 transitions. [2023-11-21 18:51:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:34,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:34,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:34,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 434 states and 655 transitions. [2023-11-21 18:51:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 655 transitions. [2023-11-21 18:51:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:51:35,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:35,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:35,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:51:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 433 states and 654 transitions. [2023-11-21 18:51:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 654 transitions. [2023-11-21 18:51:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:51:36,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:36,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:36,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:36,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 449 states and 685 transitions. [2023-11-21 18:51:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 685 transitions. [2023-11-21 18:51:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:37,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:37,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 448 states and 684 transitions. [2023-11-21 18:51:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 684 transitions. [2023-11-21 18:51:37,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:51:37,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:37,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 447 states and 683 transitions. [2023-11-21 18:51:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 683 transitions. [2023-11-21 18:51:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:51:38,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:38,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:38,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:51:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 446 states and 682 transitions. [2023-11-21 18:51:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 682 transitions. [2023-11-21 18:51:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:38,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:38,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:38,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 464 states and 714 transitions. [2023-11-21 18:51:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 714 transitions. [2023-11-21 18:51:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:51:41,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:41,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:51:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 463 states and 713 transitions. [2023-11-21 18:51:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 713 transitions. [2023-11-21 18:51:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:51:41,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:41,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 462 states and 712 transitions. [2023-11-21 18:51:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 712 transitions. [2023-11-21 18:51:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:51:42,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:42,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:42,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 461 states and 711 transitions. [2023-11-21 18:51:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 711 transitions. [2023-11-21 18:51:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:51:43,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:43,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:43,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 471 states and 731 transitions. [2023-11-21 18:51:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 731 transitions. [2023-11-21 18:51:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:46,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:46,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:46,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:51:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 470 states and 730 transitions. [2023-11-21 18:51:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 730 transitions. [2023-11-21 18:51:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:51:48,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:48,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:48,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.