./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.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_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/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_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/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_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/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 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:54,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:54,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:24:54,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:54,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:54,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:54,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:54,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:54,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:54,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:54,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:54,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:54,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:54,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:54,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:54,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:54,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:54,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:54,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:54,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:54,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:54,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:54,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:54,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:54,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:54,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:54,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:54,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:54,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:54,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:54,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:54,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:54,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:54,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:54,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:54,493 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_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e [2023-11-23 20:24:54,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:54,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:54,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:54,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:54,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:54,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2023-11-23 20:24:58,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:59,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:59,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2023-11-23 20:24:59,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/data/03231280f/c9ab3be9fa5240e293ce45f33c24f934/FLAG55139678e [2023-11-23 20:24:59,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/data/03231280f/c9ab3be9fa5240e293ce45f33c24f934 [2023-11-23 20:24:59,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:59,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:59,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:59,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:59,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:59,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d74c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59, skipping insertion in model container [2023-11-23 20:24:59,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:59,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:59,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:59,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:59,422 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:59,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59 WrapperNode [2023-11-23 20:24:59,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:59,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:59,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:59,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:59,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,477 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-11-23 20:24:59,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:59,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:59,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:59,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:59,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:59,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:59,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:59,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:59,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:59" (1/1) ... [2023-11-23 20:24:59,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:59,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:59,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac57968d-d6e3-4836-a3e2-3aadbae14c2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:24:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:24:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:24:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:24:59,698 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:59,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:00,222 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:00,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:00,284 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:25:00,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:00 BoogieIcfgContainer [2023-11-23 20:25:00,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:00,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:00,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:00,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:00,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:00" (1/1) ... [2023-11-23 20:25:00,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 137 states and 147 transitions. [2023-11-23 20:25:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2023-11-23 20:25:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:25:00,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:00,704 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 20:25:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 139 states and 150 transitions. [2023-11-23 20:25:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2023-11-23 20:25:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:25:00,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,016 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 20:25:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 140 states and 151 transitions. [2023-11-23 20:25:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2023-11-23 20:25:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:01,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,160 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 20:25:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 141 states and 152 transitions. [2023-11-23 20:25:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-23 20:25:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:01,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:01,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:01,312 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 20:25:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 146 states and 160 transitions. [2023-11-23 20:25:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 160 transitions. [2023-11-23 20:25:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:25:01,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:01,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:01,593 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 20:25:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 147 states and 161 transitions. [2023-11-23 20:25:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2023-11-23 20:25:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:01,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:01,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:01,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:01,714 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 20:25:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 154 states and 172 transitions. [2023-11-23 20:25:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-23 20:25:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:02,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:02,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:02,226 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 20:25:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 155 states and 173 transitions. [2023-11-23 20:25:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2023-11-23 20:25:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:25:02,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:02,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:02,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:02,459 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 20:25:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 158 states and 176 transitions. [2023-11-23 20:25:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-23 20:25:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:25:02,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:02,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:02,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:02,731 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 20:25:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 159 states and 177 transitions. [2023-11-23 20:25:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2023-11-23 20:25:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:25:02,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:02,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:02,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:02,884 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 20:25:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 171 states and 194 transitions. [2023-11-23 20:25:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 194 transitions. [2023-11-23 20:25:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:25:03,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:03,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:03,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:03,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:03,509 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 20:25:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 172 states and 195 transitions. [2023-11-23 20:25:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2023-11-23 20:25:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:25:03,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:03,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:03,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:03,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:03,767 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 20:25:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 186 states and 215 transitions. [2023-11-23 20:25:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2023-11-23 20:25:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:25:04,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:04,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:04,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:04,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:05,197 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 20:25:06,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 237 transitions. [2023-11-23 20:25:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-23 20:25:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:25:06,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:06,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:06,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:06,695 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 20:25:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 242 transitions. [2023-11-23 20:25:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-11-23 20:25:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:25:07,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:07,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:07,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:07,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:07,313 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 20:25:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 205 states and 243 transitions. [2023-11-23 20:25:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 243 transitions. [2023-11-23 20:25:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:25:07,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:07,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:07,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:07,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:09,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:09,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 258 transitions. [2023-11-23 20:25:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 258 transitions. [2023-11-23 20:25:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:25:09,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:09,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:09,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 259 transitions. [2023-11-23 20:25:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 259 transitions. [2023-11-23 20:25:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:25:09,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:09,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:09,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:09,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 236 states and 289 transitions. [2023-11-23 20:25:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2023-11-23 20:25:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:25:12,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:12,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:12,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:12,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 258 states and 321 transitions. [2023-11-23 20:25:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2023-11-23 20:25:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:25:15,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:15,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:15,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 261 states and 326 transitions. [2023-11-23 20:25:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 326 transitions. [2023-11-23 20:25:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:25:16,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:16,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:16,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:25:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 262 states and 327 transitions. [2023-11-23 20:25:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 327 transitions. [2023-11-23 20:25:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:25:17,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:17,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:17,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 263 states and 329 transitions. [2023-11-23 20:25:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 329 transitions. [2023-11-23 20:25:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:25:17,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:17,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:17,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 332 transitions. [2023-11-23 20:25:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 332 transitions. [2023-11-23 20:25:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:25:17,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:17,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:17,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 264 states and 331 transitions. [2023-11-23 20:25:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 331 transitions. [2023-11-23 20:25:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:25:17,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:17,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:17,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 263 states and 330 transitions. [2023-11-23 20:25:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 330 transitions. [2023-11-23 20:25:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:25:17,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:17,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:17,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 292 states and 373 transitions. [2023-11-23 20:25:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 373 transitions. [2023-11-23 20:25:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:25:22,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:22,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:22,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:28,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 321 states and 414 transitions. [2023-11-23 20:25:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 414 transitions. [2023-11-23 20:25:28,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:25:28,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:28,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:28,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:28,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 439 transitions. [2023-11-23 20:25:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 439 transitions. [2023-11-23 20:25:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:25:32,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:32,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:32,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:32,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 351 states and 464 transitions. [2023-11-23 20:25:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2023-11-23 20:25:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:25:37,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:37,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:37,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:37,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:25:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 364 states and 489 transitions. [2023-11-23 20:25:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 489 transitions. [2023-11-23 20:25:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:25:42,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:42,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:42,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:42,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 368 states and 495 transitions. [2023-11-23 20:25:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 495 transitions. [2023-11-23 20:25:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:25:44,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:44,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:44,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:25:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 372 states and 501 transitions. [2023-11-23 20:25:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2023-11-23 20:25:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:25:45,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:45,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:45,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.