./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/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_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/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_7656fbae-68cc-4a6f-b246-b5d779d7d54f/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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:14,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:15,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:15,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:15,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:15,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:15,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:15,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:15,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:15,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:15,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:15,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:15,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:15,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:15,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:15,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:15,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:15,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:15,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:15,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:15,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:15,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:15,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:15,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:15,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:15,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:15,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:15,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:15,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:15,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:15,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:15,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:15,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:15,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:15,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:15,097 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_7656fbae-68cc-4a6f-b246-b5d779d7d54f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2023-11-21 18:25:15,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:15,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:15,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:15,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:15,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:15,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-11-21 18:25:18,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:18,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:18,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-11-21 18:25:18,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/data/3e6043009/b146af93d185403d9570446b24ecb595/FLAG7e5564e91 [2023-11-21 18:25:18,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/data/3e6043009/b146af93d185403d9570446b24ecb595 [2023-11-21 18:25:18,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:18,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:18,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:18,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:18,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:18,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:18" (1/1) ... [2023-11-21 18:25:18,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471aeb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:18, skipping insertion in model container [2023-11-21 18:25:18,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:18" (1/1) ... [2023-11-21 18:25:18,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:19,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:19,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:19,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:19,301 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:19,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19 WrapperNode [2023-11-21 18:25:19,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:19,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:19,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:19,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:19,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,365 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-21 18:25:19,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:19,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:19,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:19,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:19,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:19,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:19,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:19,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:19,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:19,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:19,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7656fbae-68cc-4a6f-b246-b5d779d7d54f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:25:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:25:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:19,606 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:19,609 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:20,095 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:20,156 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:20,157 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:20,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:20 BoogieIcfgContainer [2023-11-21 18:25:20,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:20,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:20,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:20,179 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:20,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:20" (1/1) ... [2023-11-21 18:25:20,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-21 18:25:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-21 18:25:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:20,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:25:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-21 18:25:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-21 18:25:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:20,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-21 18:25:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-21 18:25:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:21,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:25:21,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:25:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-21 18:25:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-21 18:25:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:21,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:21,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 144 transitions. [2023-11-21 18:25:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2023-11-21 18:25:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:22,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 156 transitions. [2023-11-21 18:25:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-11-21 18:25:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:23,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 170 transitions. [2023-11-21 18:25:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-11-21 18:25:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:25,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:25:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 139 states and 186 transitions. [2023-11-21 18:25:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-21 18:25:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:27,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 148 states and 203 transitions. [2023-11-21 18:25:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 203 transitions. [2023-11-21 18:25:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:29,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 208 transitions. [2023-11-21 18:25:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 208 transitions. [2023-11-21 18:25:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:29,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 150 states and 207 transitions. [2023-11-21 18:25:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 207 transitions. [2023-11-21 18:25:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:30,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:30,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 225 transitions. [2023-11-21 18:25:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 225 transitions. [2023-11-21 18:25:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:32,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 158 states and 224 transitions. [2023-11-21 18:25:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 224 transitions. [2023-11-21 18:25:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:32,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 246 transitions. [2023-11-21 18:25:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 246 transitions. [2023-11-21 18:25:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:36,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 172 states and 250 transitions. [2023-11-21 18:25:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 250 transitions. [2023-11-21 18:25:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:36,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 249 transitions. [2023-11-21 18:25:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2023-11-21 18:25:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:36,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 174 states and 253 transitions. [2023-11-21 18:25:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-21 18:25:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:37,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 185 states and 275 transitions. [2023-11-21 18:25:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 275 transitions. [2023-11-21 18:25:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:41,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:41,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:41,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:25:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 190 states and 285 transitions. [2023-11-21 18:25:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 285 transitions. [2023-11-21 18:25:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:54,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 193 states and 289 transitions. [2023-11-21 18:25:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 289 transitions. [2023-11-21 18:25:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:54,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 206 states and 316 transitions. [2023-11-21 18:26:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 316 transitions. [2023-11-21 18:26:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:26:00,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:00,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:26:00,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 217 states and 337 transitions. [2023-11-21 18:26:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 337 transitions. [2023-11-21 18:26:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:26:05,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:05,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:05,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:26:05,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 344 transitions. [2023-11-21 18:26:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 344 transitions. [2023-11-21 18:26:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:06,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:06,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:06,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:26:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 220 states and 343 transitions. [2023-11-21 18:26:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 343 transitions. [2023-11-21 18:26:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:10,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:10,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:10,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 224 states and 350 transitions. [2023-11-21 18:26:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 350 transitions. [2023-11-21 18:26:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:11,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:11,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:11,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 228 states and 357 transitions. [2023-11-21 18:26:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 357 transitions. [2023-11-21 18:26:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:13,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:13,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:13,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:26:13,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 232 states and 363 transitions. [2023-11-21 18:26:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 363 transitions. [2023-11-21 18:26:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:15,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:15,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:15,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:15,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.