./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.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_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/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_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/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_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/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 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:30,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:30,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:30,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:30,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:30,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:30,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:30,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:30,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:30,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:30,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:30,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:30,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:30,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:30,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:30,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:30,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:30,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:30,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:30,221 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:30,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:30,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:30,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:30,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:30,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:30,225 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:30,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:30,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:30,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:30,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:30,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:30,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:30,229 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:30,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:30,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:30,231 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_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e [2023-11-23 20:22:30,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:30,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:30,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:30,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:30,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:30,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2023-11-23 20:22:33,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:33,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:33,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2023-11-23 20:22:33,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/data/b2dad4fd8/43c33312abc64b38a65b38460acc87d9/FLAG530efe09a [2023-11-23 20:22:33,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/data/b2dad4fd8/43c33312abc64b38a65b38460acc87d9 [2023-11-23 20:22:33,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:33,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:33,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:33,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:33,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:33,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52afe102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33, skipping insertion in model container [2023-11-23 20:22:33,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:34,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:34,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:34,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:34,259 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:34,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34 WrapperNode [2023-11-23 20:22:34,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:34,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:34,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:34,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:34,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,331 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-23 20:22:34,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:34,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:34,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:34,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:34,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:34,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:34,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:34,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:34,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:34,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:34,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d00f22-a2c9-49b1-a2cc-b82ccd8ba232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:34,598 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:34,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:35,038 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:35,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:35,084 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:22:35,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:35 BoogieIcfgContainer [2023-11-23 20:22:35,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:35,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:35,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:35,097 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:35,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-23 20:22:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-23 20:22:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:22:35,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,371 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 20:22:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-23 20:22:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-23 20:22:35,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:22:35,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,484 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 20:22:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-23 20:22:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-23 20:22:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:35,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:35,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-23 20:22:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-23 20:22:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:35,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:35,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,714 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 20:22:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-23 20:22:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-23 20:22:35,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:22:35,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,052 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 20:22:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-23 20:22:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-23 20:22:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:22:36,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,171 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 20:22:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2023-11-23 20:22:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2023-11-23 20:22:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:22:36,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,638 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 20:22:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-23 20:22:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-23 20:22:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:22:36,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,861 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 20:22:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2023-11-23 20:22:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2023-11-23 20:22:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:37,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:37,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:37,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,640 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 20:22:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2023-11-23 20:22:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2023-11-23 20:22:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:38,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:38,537 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 20:22:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2023-11-23 20:22:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2023-11-23 20:22:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:38,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:38,723 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 20:22:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-23 20:22:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-23 20:22:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:38,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:38,932 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 20:22:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2023-11-23 20:22:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2023-11-23 20:22:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:38,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:39,113 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 20:22:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2023-11-23 20:22:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2023-11-23 20:22:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:22:40,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,262 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 20:22:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2023-11-23 20:22:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2023-11-23 20:22:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:22:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:41,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:41,268 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 20:22:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-23 20:22:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-23 20:22:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:22:42,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,925 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 20:22:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 170 states and 274 transitions. [2023-11-23 20:22:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 274 transitions. [2023-11-23 20:22:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:43,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:43,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,122 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 20:22:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 185 states and 320 transitions. [2023-11-23 20:22:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 320 transitions. [2023-11-23 20:22:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:45,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:45,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:45,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:45,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:46,050 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 20:22:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 203 states and 351 transitions. [2023-11-23 20:22:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 351 transitions. [2023-11-23 20:22:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:22:48,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:48,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:48,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:22:48,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:49,145 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 20:22:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 211 states and 368 transitions. [2023-11-23 20:22:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 368 transitions. [2023-11-23 20:22:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:50,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:50,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:50,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:50,791 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 20:22:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 219 states and 386 transitions. [2023-11-23 20:22:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 386 transitions. [2023-11-23 20:22:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:52,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:52,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:52,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:52,484 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 20:22:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 228 states and 405 transitions. [2023-11-23 20:22:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 405 transitions. [2023-11-23 20:22:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:54,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:55,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:55,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:55,045 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 20:22:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 238 states and 425 transitions. [2023-11-23 20:22:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 425 transitions. [2023-11-23 20:22:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:22:56,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:57,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:57,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:57,053 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 20:22:59,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 249 states and 446 transitions. [2023-11-23 20:22:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 446 transitions. [2023-11-23 20:22:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:22:59,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:59,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:59,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:59,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:59,776 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 20:23:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 263 states and 485 transitions. [2023-11-23 20:23:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2023-11-23 20:23:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:23:04,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:04,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:04,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:04,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:23:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 278 states and 525 transitions. [2023-11-23 20:23:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 525 transitions. [2023-11-23 20:23:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:23:08,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:09,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:09,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:09,062 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 20:23:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 290 states and 562 transitions. [2023-11-23 20:23:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 562 transitions. [2023-11-23 20:23:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:23:12,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:12,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:12,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:13,036 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 20:23:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 307 states and 608 transitions. [2023-11-23 20:23:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 608 transitions. [2023-11-23 20:23:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:23:18,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:18,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:18,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:18,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:18,944 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 20:23:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 325 states and 652 transitions. [2023-11-23 20:23:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 652 transitions. [2023-11-23 20:23:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:23:24,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:24,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:24,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:24,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:25,330 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 20:23:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 327 states and 658 transitions. [2023-11-23 20:23:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 658 transitions. [2023-11-23 20:23:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:23:26,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:26,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:26,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:26,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.