./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-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_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/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_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/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_d0f85221-387e-4923-a886-3eb917c71628/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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:45,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:45,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:45,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:45,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:45,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:45,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:45,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:45,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:45,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:45,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:45,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:45,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:45,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:45,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:45,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:45,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:45,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:45,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:45,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:45,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:45,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:45,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:45,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:45,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:45,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:45,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:45,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:45,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:45,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:45,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:45,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:45,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:45,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:45,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:45,186 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_d0f85221-387e-4923-a886-3eb917c71628/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2023-11-23 20:12:45,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:45,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:45,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:45,490 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:45,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:45,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-23 20:12:48,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:48,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:48,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-23 20:12:48,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/data/ddb9fe9df/8dd2081a72df4bb996ce14667a01cd70/FLAG9abd3aea1 [2023-11-23 20:12:48,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/data/ddb9fe9df/8dd2081a72df4bb996ce14667a01cd70 [2023-11-23 20:12:48,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:48,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:48,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:48,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:48,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:48,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:48" (1/1) ... [2023-11-23 20:12:48,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcd6419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:48, skipping insertion in model container [2023-11-23 20:12:48,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:48" (1/1) ... [2023-11-23 20:12:48,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:49,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:49,213 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:49,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:49,286 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:49,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49 WrapperNode [2023-11-23 20:12:49,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:49,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:49,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:49,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:49,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,332 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-23 20:12:49,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:49,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:49,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:49,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:49,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:49,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:49,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:49,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:49,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:49" (1/1) ... [2023-11-23 20:12:49,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:49,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:49,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:49,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f85221-387e-4923-a886-3eb917c71628/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:49,548 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:49,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:50,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:50,123 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:50,123 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:12:50,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:50 BoogieIcfgContainer [2023-11-23 20:12:50,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:50,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:50,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:50,159 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:50,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:50" (1/1) ... [2023-11-23 20:12:50,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-23 20:12:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-23 20:12:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:50,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:50,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:50,484 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 20:12:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-23 20:12:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-23 20:12:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,653 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 20:12:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-23 20:12:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:12:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:12:50,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,844 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 20:12:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-23 20:12:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:12:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:50,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:50,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:50,977 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 20:12:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-23 20:12:51,051 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-23 20:12:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:51,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:51,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:51,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:51,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-23 20:12:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-23 20:12:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:51,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:51,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:51,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:51,770 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 20:12:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-23 20:12:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-23 20:12:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:52,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:52,742 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 20:12:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-23 20:12:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-23 20:12:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:53,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:53,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:53,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:53,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:53,187 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 20:12:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-23 20:12:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-23 20:12:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:54,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,420 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 20:12:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-23 20:12:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-23 20:12:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:55,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,176 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 20:12:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-23 20:12:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-23 20:12:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:12:55,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,322 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 20:12:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-23 20:12:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-23 20:12:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:55,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,918 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 20:12:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-23 20:12:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-23 20:12:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:56,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:56,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,580 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 20:12:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 176 states and 221 transitions. [2023-11-23 20:12:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-23 20:12:56,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:56,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:56,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:56,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,710 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 20:12:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:58,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 188 states and 243 transitions. [2023-11-23 20:12:58,725 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 243 transitions. [2023-11-23 20:12:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:58,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:58,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:58,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:58,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:58,786 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 20:12:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 195 states and 256 transitions. [2023-11-23 20:12:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2023-11-23 20:12:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:59,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:59,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:59,642 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 20:13:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 200 states and 263 transitions. [2023-11-23 20:13:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2023-11-23 20:13:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:00,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:00,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:00,340 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 20:13:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 201 states and 264 transitions. [2023-11-23 20:13:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2023-11-23 20:13:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:00,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:00,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:00,415 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 20:13:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 202 states and 265 transitions. [2023-11-23 20:13:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2023-11-23 20:13:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:00,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 205 states and 270 transitions. [2023-11-23 20:13:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2023-11-23 20:13:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:13:01,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:01,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:01,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:01,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:01,775 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 20:13:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 208 states and 273 transitions. [2023-11-23 20:13:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions. [2023-11-23 20:13:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:13:02,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:02,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:02,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:02,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:02,663 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 20:13:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 217 states and 288 transitions. [2023-11-23 20:13:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2023-11-23 20:13:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:04,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:04,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:04,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:04,359 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 20:13:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 218 states and 289 transitions. [2023-11-23 20:13:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2023-11-23 20:13:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:04,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:04,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:04,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:05,101 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 20:13:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 228 states and 305 transitions. [2023-11-23 20:13:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 305 transitions. [2023-11-23 20:13:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:07,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:07,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:07,448 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 20:13:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 233 states and 315 transitions. [2023-11-23 20:13:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 315 transitions. [2023-11-23 20:13:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:08,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:08,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:08,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:08,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:08,819 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 20:13:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 235 states and 316 transitions. [2023-11-23 20:13:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 316 transitions. [2023-11-23 20:13:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:09,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:09,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:09,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:09,716 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 20:13:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 251 states and 342 transitions. [2023-11-23 20:13:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 342 transitions. [2023-11-23 20:13:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:13,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:13,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:13,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:13,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:13,687 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 20:13:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 262 states and 359 transitions. [2023-11-23 20:13:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2023-11-23 20:13:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:16,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,063 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 20:13:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 278 states and 391 transitions. [2023-11-23 20:13:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 391 transitions. [2023-11-23 20:13:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:23,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:23,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:23,525 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 20:13:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 295 states and 420 transitions. [2023-11-23 20:13:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 420 transitions. [2023-11-23 20:13:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:29,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:29,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:29,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:29,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:29,472 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 20:13:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 296 states and 421 transitions. [2023-11-23 20:13:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2023-11-23 20:13:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:29,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:29,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:29,712 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 20:13:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 303 states and 436 transitions. [2023-11-23 20:13:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 436 transitions. [2023-11-23 20:13:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:32,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:32,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:32,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:13:32,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:33,671 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 20:13:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 315 states and 450 transitions. [2023-11-23 20:13:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 450 transitions. [2023-11-23 20:13:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:36,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:36,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:36,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:36,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.