./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL --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 d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:04,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:04,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:16:04,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:04,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:04,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:04,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:04,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:04,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:04,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:04,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:04,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:04,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:04,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:04,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:04,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:04,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:04,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:04,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:04,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:04,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:04,310 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:04,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:04,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:04,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:04,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:04,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:04,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:04,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:04,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:04,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:04,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:04,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:04,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:04,316 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:04,316 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_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b [2023-11-19 03:16:04,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:04,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:04,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:04,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:04,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:04,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2023-11-19 03:16:07,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:07,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:07,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2023-11-19 03:16:07,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/data/2e7e2bef4/85c8cf9746e54473abe07b9e93dbd7ef/FLAG3ffae6abb [2023-11-19 03:16:07,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/data/2e7e2bef4/85c8cf9746e54473abe07b9e93dbd7ef [2023-11-19 03:16:07,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:07,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:07,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:07,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:07,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:07,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75202ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07, skipping insertion in model container [2023-11-19 03:16:07,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:08,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:08,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:08,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:08,194 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:08,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08 WrapperNode [2023-11-19 03:16:08,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:08,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:08,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:08,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:08,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,237 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-19 03:16:08,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:08,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:08,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:08,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:08,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:08,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:08,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:08,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:08,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:08,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:08,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:08,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6436aed-ba33-4a03-9aab-d02d3d9b22ec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:08,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:16:08,433 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:08,435 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:08,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:08,697 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:08,705 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:16:08,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:08 BoogieIcfgContainer [2023-11-19 03:16:08,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:08,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:08,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:08,722 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:08,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-19 03:16:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-19 03:16:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:16:08,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:08,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-19 03:16:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-19 03:16:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:16:08,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-19 03:16:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-19 03:16:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:16:09,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-19 03:16:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-19 03:16:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:16:09,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-19 03:16:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-19 03:16:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:16:09,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-19 03:16:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-19 03:16:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:16:09,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2023-11-19 03:16:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-11-19 03:16:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:16:09,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2023-11-19 03:16:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2023-11-19 03:16:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:16:10,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2023-11-19 03:16:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2023-11-19 03:16:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:16:10,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2023-11-19 03:16:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2023-11-19 03:16:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:16:11,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-19 03:16:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-19 03:16:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:16:11,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-19 03:16:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-19 03:16:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:11,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2023-11-19 03:16:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-11-19 03:16:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:12,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 111 states and 137 transitions. [2023-11-19 03:16:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2023-11-19 03:16:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:13,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 115 states and 145 transitions. [2023-11-19 03:16:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 145 transitions. [2023-11-19 03:16:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:13,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 131 states and 169 transitions. [2023-11-19 03:16:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 169 transitions. [2023-11-19 03:16:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:15,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:15,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 175 transitions. [2023-11-19 03:16:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 175 transitions. [2023-11-19 03:16:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:15,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:15,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 140 states and 188 transitions. [2023-11-19 03:16:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2023-11-19 03:16:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:16,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:16,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 203 transitions. [2023-11-19 03:16:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 203 transitions. [2023-11-19 03:16:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:17,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 215 transitions. [2023-11-19 03:16:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2023-11-19 03:16:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:18,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:18,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 152 states and 214 transitions. [2023-11-19 03:16:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2023-11-19 03:16:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:18,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:18,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 159 states and 226 transitions. [2023-11-19 03:16:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-19 03:16:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:19,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 238 transitions. [2023-11-19 03:16:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2023-11-19 03:16:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:20,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:20,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:20,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 174 states and 253 transitions. [2023-11-19 03:16:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-19 03:16:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:21,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:21,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:21,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 252 transitions. [2023-11-19 03:16:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2023-11-19 03:16:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:16:22,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:22,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:22,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 263 transitions. [2023-11-19 03:16:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 263 transitions. [2023-11-19 03:16:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:16:24,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:24,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:24,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 202 states and 309 transitions. [2023-11-19 03:16:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 309 transitions. [2023-11-19 03:16:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:16:26,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:26,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:26,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:26,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 223 states and 355 transitions. [2023-11-19 03:16:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 355 transitions. [2023-11-19 03:16:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:28,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:28,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:28,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 230 states and 375 transitions. [2023-11-19 03:16:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 375 transitions. [2023-11-19 03:16:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:30,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:30,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 233 states and 378 transitions. [2023-11-19 03:16:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 378 transitions. [2023-11-19 03:16:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:16:30,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:30,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 240 states and 389 transitions. [2023-11-19 03:16:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 389 transitions. [2023-11-19 03:16:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:16:32,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:32,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:32,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 391 transitions. [2023-11-19 03:16:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 391 transitions. [2023-11-19 03:16:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:16:33,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:33,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:33,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:33,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 251 states and 405 transitions. [2023-11-19 03:16:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 405 transitions. [2023-11-19 03:16:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:16:34,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:34,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:34,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:34,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 254 states and 407 transitions. [2023-11-19 03:16:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 407 transitions. [2023-11-19 03:16:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:16:35,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:35,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:35,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 257 states and 410 transitions. [2023-11-19 03:16:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 410 transitions. [2023-11-19 03:16:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:36,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:36,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:36,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 259 states and 414 transitions. [2023-11-19 03:16:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2023-11-19 03:16:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:37,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:37,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:37,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:37,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 262 states and 421 transitions. [2023-11-19 03:16:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 421 transitions. [2023-11-19 03:16:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:39,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 279 states and 443 transitions. [2023-11-19 03:16:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2023-11-19 03:16:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:41,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:41,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:41,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 282 states and 446 transitions. [2023-11-19 03:16:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2023-11-19 03:16:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:16:43,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:43,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 302 states and 491 transitions. [2023-11-19 03:16:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 491 transitions. [2023-11-19 03:16:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:16:46,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 305 states and 494 transitions. [2023-11-19 03:16:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 494 transitions. [2023-11-19 03:16:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:16:47,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:47,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:16:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 305 states and 493 transitions. [2023-11-19 03:16:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 493 transitions. [2023-11-19 03:16:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:16:48,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:48,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:48,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 309 states and 506 transitions. [2023-11-19 03:16:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 506 transitions. [2023-11-19 03:16:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:49,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:49,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:16:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 314 states and 517 transitions. [2023-11-19 03:16:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 517 transitions. [2023-11-19 03:16:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:50,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:50,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:50,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 323 states and 540 transitions. [2023-11-19 03:16:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2023-11-19 03:16:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:16:52,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:52,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:52,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 329 states and 554 transitions. [2023-11-19 03:16:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 554 transitions. [2023-11-19 03:16:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:16:53,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:53,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:53,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 340 states and 581 transitions. [2023-11-19 03:16:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 581 transitions. [2023-11-19 03:16:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:16:56,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:56,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:56,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 357 states and 608 transitions. [2023-11-19 03:16:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 608 transitions. [2023-11-19 03:16:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:16:58,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:58,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:58,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 358 states and 608 transitions. [2023-11-19 03:16:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 608 transitions. [2023-11-19 03:16:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:16:59,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:59,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:59,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:59,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.