./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2 --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 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:38,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:39,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:39,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:39,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:39,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:39,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:39,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:39,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:39,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:39,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:39,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:39,097 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:39,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:39,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:39,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:39,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:39,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:39,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:39,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:39,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:39,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:39,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:39,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:39,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:39,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:39,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:39,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:39,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:39,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:39,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:39,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:39,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:39,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:39,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:39,113 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_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db [2023-11-21 18:39:39,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:39,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:39,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:39,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:39,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:39,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-21 18:39:42,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:42,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:42,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-21 18:39:42,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/data/c6b90c9f0/eb769da448a74eb2b802ff2109cdbd4b/FLAG33bc010a7 [2023-11-21 18:39:42,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/data/c6b90c9f0/eb769da448a74eb2b802ff2109cdbd4b [2023-11-21 18:39:42,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:42,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:42,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:42,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:42,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:42,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:42" (1/1) ... [2023-11-21 18:39:42,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64721e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:42, skipping insertion in model container [2023-11-21 18:39:42,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:42" (1/1) ... [2023-11-21 18:39:42,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:43,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:43,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:43,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:43,167 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:43,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43 WrapperNode [2023-11-21 18:39:43,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:43,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:43,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:43,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:43,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,203 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-21 18:39:43,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:43,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:43,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:43,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:43,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:43,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:43,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:43,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:43,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:43,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:43,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:43,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9933b48-9037-47b1-afbf-a14d618c2362/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:43,361 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:43,363 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:43,569 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:43,602 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:43,602 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:39:43,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:43 BoogieIcfgContainer [2023-11-21 18:39:43,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:43,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:43,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:43,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:43,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:43" (1/1) ... [2023-11-21 18:39:43,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-21 18:39:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-21 18:39:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:39:43,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-21 18:39:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-21 18:39:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:43,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:43,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:43,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-21 18:39:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-21 18:39:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:39:43,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:43,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-21 18:39:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-21 18:39:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:44,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-21 18:39:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-21 18:39:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:44,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-21 18:39:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-21 18:39:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:44,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-21 18:39:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-21 18:39:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:44,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-21 18:39:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-21 18:39:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:45,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:45,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-21 18:39:45,717 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-21 18:39:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:45,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:45,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2023-11-21 18:39:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2023-11-21 18:39:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:46,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-21 18:39:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:39:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:46,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2023-11-21 18:39:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2023-11-21 18:39:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:46,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-21 18:39:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-21 18:39:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:46,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-11-21 18:39:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-21 18:39:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:47,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:47,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:47,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:47,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 149 transitions. [2023-11-21 18:39:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2023-11-21 18:39:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:48,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:48,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:48,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:48,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 160 transitions. [2023-11-21 18:39:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2023-11-21 18:39:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:48,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:48,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:48,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 173 transitions. [2023-11-21 18:39:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-21 18:39:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:49,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:49,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:49,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 185 transitions. [2023-11-21 18:39:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-21 18:39:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:50,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:50,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:50,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 184 transitions. [2023-11-21 18:39:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-21 18:39:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:50,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:50,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:50,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:50,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 198 transitions. [2023-11-21 18:39:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2023-11-21 18:39:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:51,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:51,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:51,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 150 states and 208 transitions. [2023-11-21 18:39:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-21 18:39:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:39:52,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:52,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:52,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 207 transitions. [2023-11-21 18:39:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-21 18:39:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:39:52,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:52,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:52,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 157 states and 217 transitions. [2023-11-21 18:39:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-21 18:39:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:39:54,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:54,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:54,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:54,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 225 transitions. [2023-11-21 18:39:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-21 18:39:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:39:54,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:54,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:54,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:54,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 228 transitions. [2023-11-21 18:39:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-21 18:39:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:39:55,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:55,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:55,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:55,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 170 states and 235 transitions. [2023-11-21 18:39:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-21 18:39:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:39:55,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:55,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:55,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 238 transitions. [2023-11-21 18:39:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-21 18:39:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:39:56,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:56,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:56,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 175 states and 242 transitions. [2023-11-21 18:39:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-21 18:39:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:39:57,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:57,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 178 states and 249 transitions. [2023-11-21 18:39:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-21 18:39:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:39:58,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:58,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:58,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 264 transitions. [2023-11-21 18:39:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-21 18:39:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:39:59,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:59,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:59,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 209 states and 296 transitions. [2023-11-21 18:40:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-21 18:40:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:00,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:00,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:00,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:00,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:40:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 300 transitions. [2023-11-21 18:40:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-11-21 18:40:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:01,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:01,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:01,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:01,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 310 transitions. [2023-11-21 18:40:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-11-21 18:40:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:01,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:01,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:01,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 215 states and 309 transitions. [2023-11-21 18:40:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2023-11-21 18:40:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:01,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:01,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:01,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:01,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 329 transitions. [2023-11-21 18:40:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 329 transitions. [2023-11-21 18:40:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:03,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:03,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:03,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:03,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:40:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 229 states and 336 transitions. [2023-11-21 18:40:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2023-11-21 18:40:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:04,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:04,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:04,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 346 transitions. [2023-11-21 18:40:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-11-21 18:40:04,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:04,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 246 states and 365 transitions. [2023-11-21 18:40:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2023-11-21 18:40:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:40:06,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:06,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 251 states and 375 transitions. [2023-11-21 18:40:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2023-11-21 18:40:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:40:07,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:07,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:07,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:07,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 256 states and 380 transitions. [2023-11-21 18:40:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 380 transitions. [2023-11-21 18:40:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:40:08,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:08,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:08,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:08,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 261 states and 388 transitions. [2023-11-21 18:40:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 388 transitions. [2023-11-21 18:40:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:40:08,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:08,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:08,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 264 states and 398 transitions. [2023-11-21 18:40:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 398 transitions. [2023-11-21 18:40:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:40:09,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:10,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:10,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 267 states and 403 transitions. [2023-11-21 18:40:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2023-11-21 18:40:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:40:11,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:11,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:11,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:40:11,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 270 states and 408 transitions. [2023-11-21 18:40:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 408 transitions. [2023-11-21 18:40:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:40:12,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:12,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:12,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 280 states and 417 transitions. [2023-11-21 18:40:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2023-11-21 18:40:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:40:13,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:13,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:13,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:13,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 297 states and 455 transitions. [2023-11-21 18:40:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 455 transitions. [2023-11-21 18:40:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:40:14,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:14,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-21 18:40:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 299 states and 459 transitions. [2023-11-21 18:40:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2023-11-21 18:40:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:40:15,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 306 states and 475 transitions. [2023-11-21 18:40:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 475 transitions. [2023-11-21 18:40:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:40:16,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-21 18:40:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 306 states and 474 transitions. [2023-11-21 18:40:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 474 transitions. [2023-11-21 18:40:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:40:17,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 495 transitions. [2023-11-21 18:40:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 495 transitions. [2023-11-21 18:40:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:40:19,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:19,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:19,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:40:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 320 states and 502 transitions. [2023-11-21 18:40:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 502 transitions. [2023-11-21 18:40:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:40:20,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 329 states and 516 transitions. [2023-11-21 18:40:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 516 transitions. [2023-11-21 18:40:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:40:21,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:21,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:40:21,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 340 states and 538 transitions. [2023-11-21 18:40:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 538 transitions. [2023-11-21 18:40:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:40:23,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 345 states and 549 transitions. [2023-11-21 18:40:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 549 transitions. [2023-11-21 18:40:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:40:24,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 350 states and 554 transitions. [2023-11-21 18:40:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2023-11-21 18:40:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:40:25,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:26,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 355 states and 563 transitions. [2023-11-21 18:40:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 563 transitions. [2023-11-21 18:40:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:40:26,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 358 states and 578 transitions. [2023-11-21 18:40:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 578 transitions. [2023-11-21 18:40:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:40:28,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 361 states and 585 transitions. [2023-11-21 18:40:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 585 transitions. [2023-11-21 18:40:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:40:29,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 364 states and 591 transitions. [2023-11-21 18:40:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 591 transitions. [2023-11-21 18:40:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:40:31,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:31,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 374 states and 600 transitions. [2023-11-21 18:40:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 600 transitions. [2023-11-21 18:40:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:40:32,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:32,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.