./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC --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 d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:47,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:47,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:47,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:47,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:47,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:47,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:47,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:47,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:47,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:47,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:47,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:47,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:47,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:47,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:47,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:47,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:47,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:47,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:47,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:47,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:47,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:47,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:47,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:47,379 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:47,380 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:47,380 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:47,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:47,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:47,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:47,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:47,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:47,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:47,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:47,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:47,386 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_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2023-11-23 20:13:47,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:47,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:47,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:47,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:47,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:47,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2023-11-23 20:13:50,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:51,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:51,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2023-11-23 20:13:51,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/data/d8eab8bd6/9dc799ad9bd04d5695d50d04b8d432e0/FLAG12ff5cf9d [2023-11-23 20:13:51,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/data/d8eab8bd6/9dc799ad9bd04d5695d50d04b8d432e0 [2023-11-23 20:13:51,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:51,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:51,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:51,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:51,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:51,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf4cb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51, skipping insertion in model container [2023-11-23 20:13:51,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:51,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:51,395 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:51,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:51,438 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:51,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51 WrapperNode [2023-11-23 20:13:51,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:51,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:51,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:51,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:51,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,501 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2023-11-23 20:13:51,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:51,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:51,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:51,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:51,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:51,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:51,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:51,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:51,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:51,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:51,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548dc8a-39f5-4eba-aa82-da9039b2aa37/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:51,749 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:51,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:52,589 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:52,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:52,636 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:13:52,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:52 BoogieIcfgContainer [2023-11-23 20:13:52,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:52,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:52,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:52,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:52,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:52" (1/1) ... [2023-11-23 20:13:52,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-23 20:13:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-23 20:13:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:13:52,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-23 20:13:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-23 20:13:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:13:52,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-23 20:13:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-23 20:13:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:13:53,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-23 20:13:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-23 20:13:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:13:53,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-23 20:13:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-23 20:13:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:13:53,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:13:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:13:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:53,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-23 20:13:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-23 20:13:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:13:53,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:13:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:13:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:13:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-23 20:13:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-23 20:13:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:13:53,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-23 20:13:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-23 20:13:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:13:53,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:13:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:13:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:13:53,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-23 20:13:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-23 20:13:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:13:53,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-23 20:13:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-23 20:13:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:13:54,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-23 20:13:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-23 20:13:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:13:54,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-23 20:13:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-23 20:13:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:54,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-23 20:13:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-23 20:13:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:54,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 313 transitions. [2023-11-23 20:13:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 313 transitions. [2023-11-23 20:13:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:54,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 310 states and 324 transitions. [2023-11-23 20:13:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 324 transitions. [2023-11-23 20:13:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:54,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 311 states and 325 transitions. [2023-11-23 20:13:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 325 transitions. [2023-11-23 20:13:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:13:54,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 334 states and 353 transitions. [2023-11-23 20:13:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 353 transitions. [2023-11-23 20:13:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:55,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 335 states and 354 transitions. [2023-11-23 20:13:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 354 transitions. [2023-11-23 20:13:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:55,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 360 states and 385 transitions. [2023-11-23 20:13:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 385 transitions. [2023-11-23 20:13:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:55,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 386 states and 417 transitions. [2023-11-23 20:13:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 417 transitions. [2023-11-23 20:13:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:56,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 389 states and 422 transitions. [2023-11-23 20:13:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 422 transitions. [2023-11-23 20:13:56,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:56,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 392 states and 426 transitions. [2023-11-23 20:13:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 426 transitions. [2023-11-23 20:13:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:57,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:57,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:57,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 397 states and 434 transitions. [2023-11-23 20:13:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 434 transitions. [2023-11-23 20:13:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:13:58,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:58,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 403 states and 443 transitions. [2023-11-23 20:13:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 443 transitions. [2023-11-23 20:13:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:13:58,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:58,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 410 states and 451 transitions. [2023-11-23 20:13:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 451 transitions. [2023-11-23 20:13:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:13:59,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:59,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:59,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 414 states and 456 transitions. [2023-11-23 20:14:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 456 transitions. [2023-11-23 20:14:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:14:00,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:00,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:00,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 416 states and 460 transitions. [2023-11-23 20:14:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 460 transitions. [2023-11-23 20:14:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:14:00,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:00,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:00,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 419 states and 465 transitions. [2023-11-23 20:14:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 465 transitions. [2023-11-23 20:14:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:14:01,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:01,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:01,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 423 states and 471 transitions. [2023-11-23 20:14:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 471 transitions. [2023-11-23 20:14:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:14:02,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:02,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:03,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 427 states and 476 transitions. [2023-11-23 20:14:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 476 transitions. [2023-11-23 20:14:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:14:03,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:03,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:03,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 429 states and 480 transitions. [2023-11-23 20:14:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 480 transitions. [2023-11-23 20:14:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:14:04,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:04,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:04,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:14:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 430 states and 482 transitions. [2023-11-23 20:14:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 482 transitions. [2023-11-23 20:14:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:14:06,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:14:06,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 429 states and 481 transitions. [2023-11-23 20:14:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 481 transitions. [2023-11-23 20:14:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:14:06,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:06,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 434 states and 490 transitions. [2023-11-23 20:14:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2023-11-23 20:14:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:14:09,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:09,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 440 states and 500 transitions. [2023-11-23 20:14:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 500 transitions. [2023-11-23 20:14:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:14:11,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:11,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 448 states and 513 transitions. [2023-11-23 20:14:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 513 transitions. [2023-11-23 20:14:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:14:14,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:14,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 457 states and 527 transitions. [2023-11-23 20:14:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 527 transitions. [2023-11-23 20:14:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:14:16,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:16,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:16,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:16,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 466 states and 539 transitions. [2023-11-23 20:14:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 539 transitions. [2023-11-23 20:14:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:14:18,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:18,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:18,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:18,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 468 states and 543 transitions. [2023-11-23 20:14:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 543 transitions. [2023-11-23 20:14:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:14:21,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:21,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:21,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:21,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 471 states and 548 transitions. [2023-11-23 20:14:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 548 transitions. [2023-11-23 20:14:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:14:22,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:22,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:22,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:22,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 475 states and 552 transitions. [2023-11-23 20:14:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 552 transitions. [2023-11-23 20:14:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:14:23,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 479 states and 557 transitions. [2023-11-23 20:14:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 557 transitions. [2023-11-23 20:14:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:14:23,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 480 states and 559 transitions. [2023-11-23 20:14:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 559 transitions. [2023-11-23 20:14:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:14:25,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:25,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:25,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:25,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 482 states and 562 transitions. [2023-11-23 20:14:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 562 transitions. [2023-11-23 20:14:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:14:25,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:25,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:25,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 515 states and 604 transitions. [2023-11-23 20:14:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2023-11-23 20:14:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:14:30,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:30,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:30,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:30,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 516 states and 606 transitions. [2023-11-23 20:14:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 606 transitions. [2023-11-23 20:14:30,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:14:30,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:30,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:30,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:30,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 536 states and 633 transitions. [2023-11-23 20:14:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2023-11-23 20:14:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:14:34,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:34,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:34,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 538 states and 636 transitions. [2023-11-23 20:14:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 636 transitions. [2023-11-23 20:14:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:14:35,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:35,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:35,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 537 states and 635 transitions. [2023-11-23 20:14:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2023-11-23 20:14:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:14:35,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:35,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:35,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 557 states and 665 transitions. [2023-11-23 20:14:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 665 transitions. [2023-11-23 20:14:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:14:39,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:39,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:39,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:39,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 579 states and 694 transitions. [2023-11-23 20:14:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 694 transitions. [2023-11-23 20:14:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:14:44,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:44,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:44,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.