./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.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_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/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_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/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_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:45,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:45,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:45,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:45,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:45,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:45,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:45,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:45,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:45,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:45,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:45,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:45,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:45,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:45,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:45,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:45,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:45,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:45,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:45,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:45,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:45,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:45,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:45,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:45,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:45,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:45,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:45,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:45,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:45,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:45,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:45,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:45,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:45,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:45,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:45,425 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_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2023-11-21 18:25:45,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:45,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:45,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:45,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:45,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:45,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-21 18:25:48,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:49,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:49,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-21 18:25:49,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/data/e2f37b509/1ac19c9fd705480abc99240b5f2d3b90/FLAG15de5022e [2023-11-21 18:25:49,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/data/e2f37b509/1ac19c9fd705480abc99240b5f2d3b90 [2023-11-21 18:25:49,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:49,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:49,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:49,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:49,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:49,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2870f109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49, skipping insertion in model container [2023-11-21 18:25:49,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:49,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:49,591 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:49,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:49,637 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:49,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49 WrapperNode [2023-11-21 18:25:49,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:49,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:49,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:49,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:49,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,689 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-21 18:25:49,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:49,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:49,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:49,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:49,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:49,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:49,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:49,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:49,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:49" (1/1) ... [2023-11-21 18:25:49,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:49,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:49,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_724dbce4-2db9-4d30-bfef-e0bc88ac7e0a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:25:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:25:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:49,927 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:49,930 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:50,166 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:50,214 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:50,215 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:50,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:50 BoogieIcfgContainer [2023-11-21 18:25:50,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:50,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:50,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:50,227 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:50,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:50" (1/1) ... [2023-11-21 18:25:50,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-21 18:25:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-21 18:25:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:50,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:50,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-21 18:25:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-21 18:25:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:50,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-21 18:25:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-21 18:25:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:50,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-21 18:25:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-21 18:25:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:50,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-21 18:25:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-21 18:25:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:51,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-21 18:25:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-21 18:25:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:51,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-21 18:25:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-21 18:25:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:51,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-21 18:25:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-21 18:25:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:52,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:52,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:52,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:52,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-21 18:25:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-21 18:25:53,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:53,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:53,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:53,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-21 18:25:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-21 18:25:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:54,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:56,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-21 18:25:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-21 18:25:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:56,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-21 18:25:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-21 18:25:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:56,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-21 18:25:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-21 18:25:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:57,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:57,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-21 18:25:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-21 18:25:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:57,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:57,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-21 18:25:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-21 18:25:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:25:58,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-21 18:25:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-21 18:25:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:58,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-21 18:25:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-21 18:25:59,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:59,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-21 18:26:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-21 18:26:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:26:00,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:00,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:00,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-21 18:26:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-21 18:26:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:26:02,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:02,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:02,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-21 18:26:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-21 18:26:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:26:02,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:02,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-21 18:26:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-21 18:26:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:26:03,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:03,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:26:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-21 18:26:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-21 18:26:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:26:07,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:07,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:07,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:26:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-21 18:26:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-21 18:26:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:26:07,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:07,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:07,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:07,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-21 18:26:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-21 18:26:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:26:09,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:09,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:09,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-21 18:26:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-21 18:26:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:10,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:10,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:10,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 188 states and 304 transitions. [2023-11-21 18:26:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 304 transitions. [2023-11-21 18:26:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:13,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:13,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:13,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:13,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 206 states and 346 transitions. [2023-11-21 18:26:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 346 transitions. [2023-11-21 18:26:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:16,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:16,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:16,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 226 states and 393 transitions. [2023-11-21 18:26:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 393 transitions. [2023-11-21 18:26:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:19,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 243 states and 434 transitions. [2023-11-21 18:26:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 434 transitions. [2023-11-21 18:26:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:26:22,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:22,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:22,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:22,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 251 states and 454 transitions. [2023-11-21 18:26:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 454 transitions. [2023-11-21 18:26:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:26:25,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:25,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:25,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 461 transitions. [2023-11-21 18:26:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 461 transitions. [2023-11-21 18:26:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:26:27,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:27,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 260 states and 468 transitions. [2023-11-21 18:26:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 468 transitions. [2023-11-21 18:26:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:26:28,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:28,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:28,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:26:28,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 279 states and 498 transitions. [2023-11-21 18:26:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 498 transitions. [2023-11-21 18:26:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:26:34,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:34,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:34,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 289 states and 516 transitions. [2023-11-21 18:26:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 516 transitions. [2023-11-21 18:26:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:26:40,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.