./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/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_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/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_690df5ee-bd23-4036-97fb-706b86757722/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 39b854852f8258ff198098e27d83a5b0e296df48090ebea0d59d234417af0752 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:01,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:01,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:01,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:01,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:01,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:01,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:01,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:01,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:01,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:01,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:01,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:01,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:01,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:01,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:01,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:01,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:01,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:01,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:01,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:01,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:01,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:01,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:01,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:01,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:01,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:01,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:01,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:01,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:01,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:01,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:01,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:01,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:01,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:01,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:01,935 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_690df5ee-bd23-4036-97fb-706b86757722/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39b854852f8258ff198098e27d83a5b0e296df48090ebea0d59d234417af0752 [2023-11-23 20:15:02,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:02,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:02,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:02,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:02,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:02,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c [2023-11-23 20:15:05,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:05,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:05,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c [2023-11-23 20:15:05,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/data/dbf3329df/5b14c9522633434eb5d0a853c130d71e/FLAGe7153c5e6 [2023-11-23 20:15:05,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/data/dbf3329df/5b14c9522633434eb5d0a853c130d71e [2023-11-23 20:15:05,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:05,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:05,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:05,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:06,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:06,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:05" (1/1) ... [2023-11-23 20:15:06,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df4bd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06, skipping insertion in model container [2023-11-23 20:15:06,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:05" (1/1) ... [2023-11-23 20:15:06,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:06,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:06,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:06,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:06,398 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:06,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06 WrapperNode [2023-11-23 20:15:06,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:06,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:06,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:06,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:06,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,461 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-23 20:15:06,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:06,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:06,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:06,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:06,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:06,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:06,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:06,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:06,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:06" (1/1) ... [2023-11-23 20:15:06,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:06,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:06,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690df5ee-bd23-4036-97fb-706b86757722/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:06,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:06,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:07,135 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:07,191 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:07,191 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:15:07,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:07 BoogieIcfgContainer [2023-11-23 20:15:07,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:07,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:07,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:07,204 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:07,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:07" (1/1) ... [2023-11-23 20:15:07,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2023-11-23 20:15:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2023-11-23 20:15:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:07,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:07,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:07,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2023-11-23 20:15:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-23 20:15:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:07,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:07,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:07,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 141 transitions. [2023-11-23 20:15:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2023-11-23 20:15:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:07,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:07,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:07,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 132 states and 148 transitions. [2023-11-23 20:15:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2023-11-23 20:15:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:08,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 137 states and 157 transitions. [2023-11-23 20:15:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-11-23 20:15:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:08,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 137 states and 156 transitions. [2023-11-23 20:15:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2023-11-23 20:15:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:08,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 138 states and 157 transitions. [2023-11-23 20:15:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2023-11-23 20:15:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:08,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 142 states and 165 transitions. [2023-11-23 20:15:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 165 transitions. [2023-11-23 20:15:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:08,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 142 states and 164 transitions. [2023-11-23 20:15:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2023-11-23 20:15:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:08,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 178 transitions. [2023-11-23 20:15:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-23 20:15:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:09,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 182 transitions. [2023-11-23 20:15:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2023-11-23 20:15:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:09,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 183 transitions. [2023-11-23 20:15:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2023-11-23 20:15:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:09,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 184 transitions. [2023-11-23 20:15:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2023-11-23 20:15:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:09,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 154 states and 185 transitions. [2023-11-23 20:15:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2023-11-23 20:15:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:10,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:10,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:10,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 160 states and 196 transitions. [2023-11-23 20:15:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2023-11-23 20:15:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:10,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:10,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 207 transitions. [2023-11-23 20:15:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2023-11-23 20:15:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:11,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:11,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:11,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 173 states and 217 transitions. [2023-11-23 20:15:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2023-11-23 20:15:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:11,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:11,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:11,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 178 states and 225 transitions. [2023-11-23 20:15:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-23 20:15:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:12,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:12,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:12,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 185 states and 238 transitions. [2023-11-23 20:15:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-23 20:15:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:15:13,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:13,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:13,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:13,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 186 states and 239 transitions. [2023-11-23 20:15:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-11-23 20:15:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:15:13,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:13,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:13,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 194 states and 254 transitions. [2023-11-23 20:15:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2023-11-23 20:15:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:15:13,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:13,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:13,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 197 states and 259 transitions. [2023-11-23 20:15:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2023-11-23 20:15:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:14,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:14,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:14,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:15:14,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 200 states and 262 transitions. [2023-11-23 20:15:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-11-23 20:15:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:15,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:15,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:15,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 201 states and 263 transitions. [2023-11-23 20:15:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2023-11-23 20:15:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:15,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:15,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:15,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:15,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 202 states and 264 transitions. [2023-11-23 20:15:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-11-23 20:15:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:15,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:15,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:15,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:15:15,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 203 states and 265 transitions. [2023-11-23 20:15:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2023-11-23 20:15:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:16,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:16,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:16,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 277 transitions. [2023-11-23 20:15:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 277 transitions. [2023-11-23 20:15:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:15:17,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:17,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:17,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 224 states and 295 transitions. [2023-11-23 20:15:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 295 transitions. [2023-11-23 20:15:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:15:19,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:19,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:19,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:19,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 233 states and 311 transitions. [2023-11-23 20:15:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 311 transitions. [2023-11-23 20:15:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:15:20,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:20,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:20,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 247 states and 331 transitions. [2023-11-23 20:15:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 331 transitions. [2023-11-23 20:15:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:15:23,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:23,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:23,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 256 states and 345 transitions. [2023-11-23 20:15:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 345 transitions. [2023-11-23 20:15:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:15:23,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:23,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:15:23,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 359 transitions. [2023-11-23 20:15:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 359 transitions. [2023-11-23 20:15:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:25,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:25,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:25,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:25,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 269 states and 360 transitions. [2023-11-23 20:15:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 360 transitions. [2023-11-23 20:15:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:25,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:25,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:25,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:15:25,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 272 states and 364 transitions. [2023-11-23 20:15:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 364 transitions. [2023-11-23 20:15:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:26,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:26,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:26,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:15:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 289 states and 402 transitions. [2023-11-23 20:15:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 402 transitions. [2023-11-23 20:15:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:31,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:31,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:31,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 304 states and 430 transitions. [2023-11-23 20:15:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 430 transitions. [2023-11-23 20:15:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:35,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:35,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:35,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:35,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:15:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 304 states and 430 transitions. [2023-11-23 20:15:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 430 transitions. [2023-11-23 20:15:35,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:35,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:35,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:35,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:15:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 304 states and 430 transitions. [2023-11-23 20:15:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 430 transitions. [2023-11-23 20:15:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:35,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:35,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:35,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 320 states and 465 transitions. [2023-11-23 20:15:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2023-11-23 20:15:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:40,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:41,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 324 states and 473 transitions. [2023-11-23 20:15:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 473 transitions. [2023-11-23 20:15:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:42,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:42,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:42,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:42,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:15:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 324 states and 473 transitions. [2023-11-23 20:15:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 473 transitions. [2023-11-23 20:15:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:42,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:42,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:42,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:42,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 340 states and 511 transitions. [2023-11-23 20:15:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 511 transitions. [2023-11-23 20:15:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:15:47,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 356 states and 543 transitions. [2023-11-23 20:15:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 543 transitions. [2023-11-23 20:15:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:15:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 360 states and 551 transitions. [2023-11-23 20:15:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 551 transitions. [2023-11-23 20:15:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:15:55,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:55,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:55,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:55,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 365 states and 558 transitions. [2023-11-23 20:15:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 558 transitions. [2023-11-23 20:15:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:15:57,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:57,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 368 states and 563 transitions. [2023-11-23 20:15:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 563 transitions. [2023-11-23 20:15:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:15:58,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:58,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:58,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:15:58,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.