./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL --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 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:05,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:05,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:03:05,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:05,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:05,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:05,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:05,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:05,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:05,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:05,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:05,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:05,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:05,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:05,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:05,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:05,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:05,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:05,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:05,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:03:05,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:05,337 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:05,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:05,338 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:05,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:05,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:05,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:05,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:05,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:05,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:05,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:05,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:05,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:05,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:05,344 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:05,345 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_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 [2023-11-19 04:03:05,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:05,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:05,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:05,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:05,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:05,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-11-19 04:03:08,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:09,014 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:09,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-11-19 04:03:09,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/data/f4ca1d5aa/3f06f003385e478fb569778714eb690d/FLAGe6e19d0ef [2023-11-19 04:03:09,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/data/f4ca1d5aa/3f06f003385e478fb569778714eb690d [2023-11-19 04:03:09,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:09,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:09,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:09,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:09,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:09,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f84c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09, skipping insertion in model container [2023-11-19 04:03:09,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:09,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:09,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:09,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:09,329 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:09,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09 WrapperNode [2023-11-19 04:03:09,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:09,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:09,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:09,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:09,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,370 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-19 04:03:09,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:09,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:09,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:09,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:09,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:09,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:09,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:09,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:09,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:09,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:09,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:09,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c4c458-58b8-4b50-9a1f-a3a9e0bcd3b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:09,557 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:09,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:09,819 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:09,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:09,919 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:03:09,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:09 BoogieIcfgContainer [2023-11-19 04:03:09,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:09,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:09,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:09,941 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:09,941 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:09" (1/1) ... [2023-11-19 04:03:09,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 04:03:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 04:03:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:03:10,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:03:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:03:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:10,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-19 04:03:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-19 04:03:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:10,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-19 04:03:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-19 04:03:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:10,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-19 04:03:10,918 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-19 04:03:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:10,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-19 04:03:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-19 04:03:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:03:11,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-19 04:03:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-19 04:03:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:03:11,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-19 04:03:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-19 04:03:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:11,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-19 04:03:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-19 04:03:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:11,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-19 04:03:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-19 04:03:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:12,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:12,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-11-19 04:03:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-11-19 04:03:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:12,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-19 04:03:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-19 04:03:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:12,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:12,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-19 04:03:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-19 04:03:13,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:03:13,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-19 04:03:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-19 04:03:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:03:13,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-19 04:03:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-19 04:03:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:03:13,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-19 04:03:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-19 04:03:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:03:14,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-11-19 04:03:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-19 04:03:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:03:14,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-11-19 04:03:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-19 04:03:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:03:14,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:14,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-11-19 04:03:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-19 04:03:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:03:15,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-19 04:03:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-19 04:03:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:03:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:15,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:03:15,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:03:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-11-19 04:03:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-19 04:03:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:03:16,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:16,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:16,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:16,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:03:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2023-11-19 04:03:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2023-11-19 04:03:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:03:17,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-19 04:03:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-19 04:03:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:03:17,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2023-11-19 04:03:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2023-11-19 04:03:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:03:17,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2023-11-19 04:03:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2023-11-19 04:03:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:03:18,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:18,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 166 transitions. [2023-11-19 04:03:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 166 transitions. [2023-11-19 04:03:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:03:18,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:18,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:18,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:18,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:03:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 111 states and 188 transitions. [2023-11-19 04:03:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2023-11-19 04:03:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:03:19,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2023-11-19 04:03:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2023-11-19 04:03:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:03:19,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 112 states and 189 transitions. [2023-11-19 04:03:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-19 04:03:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:03:20,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:20,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 04:03:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 04:03:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:03:20,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 119 states and 200 transitions. [2023-11-19 04:03:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2023-11-19 04:03:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:03:21,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:21,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:03:21,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:03:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 132 states and 229 transitions. [2023-11-19 04:03:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 229 transitions. [2023-11-19 04:03:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:03:23,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 133 states and 237 transitions. [2023-11-19 04:03:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2023-11-19 04:03:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:03:23,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 133 states and 230 transitions. [2023-11-19 04:03:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2023-11-19 04:03:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:03:24,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 233 transitions. [2023-11-19 04:03:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 233 transitions. [2023-11-19 04:03:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:03:25,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 137 states and 236 transitions. [2023-11-19 04:03:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2023-11-19 04:03:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:03:26,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:26,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 245 transitions. [2023-11-19 04:03:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2023-11-19 04:03:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:03:26,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 237 transitions. [2023-11-19 04:03:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 237 transitions. [2023-11-19 04:03:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:03:27,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 240 transitions. [2023-11-19 04:03:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 240 transitions. [2023-11-19 04:03:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:03:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:28,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 243 transitions. [2023-11-19 04:03:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 243 transitions. [2023-11-19 04:03:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:03:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 143 states and 253 transitions. [2023-11-19 04:03:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2023-11-19 04:03:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:03:28,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 244 transitions. [2023-11-19 04:03:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 244 transitions. [2023-11-19 04:03:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:30,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:30,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 247 transitions. [2023-11-19 04:03:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2023-11-19 04:03:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:31,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:31,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 250 transitions. [2023-11-19 04:03:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2023-11-19 04:03:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:03:31,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 148 states and 261 transitions. [2023-11-19 04:03:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2023-11-19 04:03:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:03:31,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:31,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:32,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:03:32,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:03:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 161 states and 289 transitions. [2023-11-19 04:03:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2023-11-19 04:03:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:03:33,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:34,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 161 states and 279 transitions. [2023-11-19 04:03:34,399 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2023-11-19 04:03:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:03:34,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 162 states and 282 transitions. [2023-11-19 04:03:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 282 transitions. [2023-11-19 04:03:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:03:35,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 165 states and 285 transitions. [2023-11-19 04:03:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 285 transitions. [2023-11-19 04:03:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:03:36,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 297 transitions. [2023-11-19 04:03:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 297 transitions. [2023-11-19 04:03:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:03:36,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 166 states and 286 transitions. [2023-11-19 04:03:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 286 transitions. [2023-11-19 04:03:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:03:38,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:38,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 167 states and 289 transitions. [2023-11-19 04:03:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 289 transitions. [2023-11-19 04:03:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:03:39,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 170 states and 292 transitions. [2023-11-19 04:03:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 292 transitions. [2023-11-19 04:03:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:03:39,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 171 states and 305 transitions. [2023-11-19 04:03:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2023-11-19 04:03:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:03:40,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 171 states and 293 transitions. [2023-11-19 04:03:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 293 transitions. [2023-11-19 04:03:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:03:42,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:42,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 172 states and 296 transitions. [2023-11-19 04:03:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 296 transitions. [2023-11-19 04:03:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:03:43,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:43,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 175 states and 299 transitions. [2023-11-19 04:03:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 299 transitions. [2023-11-19 04:03:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:03:43,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:43,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 176 states and 313 transitions. [2023-11-19 04:03:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 313 transitions. [2023-11-19 04:03:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:03:44,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 176 states and 300 transitions. [2023-11-19 04:03:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 300 transitions. [2023-11-19 04:03:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:03:46,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 177 states and 303 transitions. [2023-11-19 04:03:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 303 transitions. [2023-11-19 04:03:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:03:47,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 180 states and 306 transitions. [2023-11-19 04:03:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 306 transitions. [2023-11-19 04:03:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 04:03:48,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:48,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:03:48,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 04:03:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 190 states and 328 transitions. [2023-11-19 04:03:49,148 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 328 transitions. [2023-11-19 04:03:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:03:49,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 191 states and 343 transitions. [2023-11-19 04:03:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 343 transitions. [2023-11-19 04:03:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:03:49,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 18 proven. 176 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.