./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.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_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/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_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/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_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/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 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:42,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:42,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:42,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:42,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:42,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:42,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:42,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:42,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:42,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:42,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:42,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:42,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:42,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:42,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:42,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:42,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:42,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:42,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:42,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:42,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:42,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:42,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:42,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:42,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:42,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:42,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:42,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:42,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:42,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:42,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:42,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:42,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:42,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:42,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:42,318 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_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 [2023-11-21 18:32:42,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:42,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:42,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:42,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:42,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:42,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2023-11-21 18:32:45,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:46,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:46,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2023-11-21 18:32:46,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/data/e3a790145/b79411576cb24dedbb93b69dcb1b1ff0/FLAG037fd3986 [2023-11-21 18:32:46,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/data/e3a790145/b79411576cb24dedbb93b69dcb1b1ff0 [2023-11-21 18:32:46,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:46,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:46,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:46,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:46,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:46,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb6c9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46, skipping insertion in model container [2023-11-21 18:32:46,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:46,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:46,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:46,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:46,554 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:46,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46 WrapperNode [2023-11-21 18:32:46,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:46,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:46,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:46,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:46,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,634 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-21 18:32:46,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:46,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:46,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:46,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:46,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:46,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:46,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:46,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:46,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:46" (1/1) ... [2023-11-21 18:32:46,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:46,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:46,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:46,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc52acb-11e6-4d19-bda0-f8b6540fd42f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:32:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:32:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:46,855 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:46,860 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:47,387 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:47,439 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:47,440 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:32:47,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:47 BoogieIcfgContainer [2023-11-21 18:32:47,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:47,450 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:47,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:47,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:47,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:47" (1/1) ... [2023-11-21 18:32:47,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-21 18:32:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-21 18:32:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:32:47,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:47,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:47,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:47,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:47,936 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 18:32:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-21 18:32:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-21 18:32:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:32:48,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:48,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:32:48,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:48,527 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 18:32:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-21 18:32:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-21 18:32:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:32:49,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:49,380 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 18:32:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-21 18:32:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-21 18:32:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:32:49,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:50,036 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 18:32:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 143 transitions. [2023-11-21 18:32:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-21 18:32:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:32:50,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:50,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:50,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:50,630 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 18:32:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 154 transitions. [2023-11-21 18:32:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-21 18:32:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:51,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,734 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 18:32:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 131 states and 167 transitions. [2023-11-21 18:32:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-21 18:32:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:52,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,043 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 18:32:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 139 states and 182 transitions. [2023-11-21 18:32:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-21 18:32:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:54,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:54,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:54,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:32:54,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:54,534 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 18:32:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 148 states and 198 transitions. [2023-11-21 18:32:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2023-11-21 18:32:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:32:56,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,224 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 18:32:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 203 transitions. [2023-11-21 18:32:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 203 transitions. [2023-11-21 18:32:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:56,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,547 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 18:32:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 150 states and 202 transitions. [2023-11-21 18:32:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 202 transitions. [2023-11-21 18:32:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:56,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,909 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 18:32:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 158 states and 218 transitions. [2023-11-21 18:32:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2023-11-21 18:32:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:58,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:58,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:58,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:58,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:58,402 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 18:32:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 217 transitions. [2023-11-21 18:32:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-21 18:32:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:58,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:58,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:58,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:58,811 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 18:33:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 166 states and 235 transitions. [2023-11-21 18:33:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-11-21 18:33:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:01,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:01,186 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 18:33:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 169 states and 239 transitions. [2023-11-21 18:33:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-11-21 18:33:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:01,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:01,412 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 18:33:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 168 states and 238 transitions. [2023-11-21 18:33:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 238 transitions. [2023-11-21 18:33:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:01,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:01,620 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 18:33:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 171 states and 242 transitions. [2023-11-21 18:33:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 242 transitions. [2023-11-21 18:33:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:02,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,513 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 18:33:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 181 states and 262 transitions. [2023-11-21 18:33:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 262 transitions. [2023-11-21 18:33:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:06,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:06,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:06,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,524 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 18:33:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 186 states and 272 transitions. [2023-11-21 18:33:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 272 transitions. [2023-11-21 18:33:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:33:17,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:17,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:17,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:17,399 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 18:33:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 189 states and 276 transitions. [2023-11-21 18:33:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 276 transitions. [2023-11-21 18:33:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:33:17,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:17,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:17,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:17,713 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 18:33:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 200 states and 299 transitions. [2023-11-21 18:33:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2023-11-21 18:33:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:33:22,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:22,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:22,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:22,514 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 18:33:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 212 states and 322 transitions. [2023-11-21 18:33:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-11-21 18:33:26,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:33:26,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:26,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:26,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:26,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:26,531 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 18:33:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 216 states and 329 transitions. [2023-11-21 18:33:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 329 transitions. [2023-11-21 18:33:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:27,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:28,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:28,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:28,448 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 18:33:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 215 states and 328 transitions. [2023-11-21 18:33:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2023-11-21 18:33:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:31,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:31,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:31,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:31,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:31,266 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 18:33:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 219 states and 335 transitions. [2023-11-21 18:33:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2023-11-21 18:33:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:32,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:32,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:32,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:32,316 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 18:33:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 223 states and 342 transitions. [2023-11-21 18:33:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 342 transitions. [2023-11-21 18:33:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:33,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:33,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:33,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:33,790 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 18:33:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 227 states and 348 transitions. [2023-11-21 18:33:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 348 transitions. [2023-11-21 18:33:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:35,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:35,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:35,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:35,793 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 18:33:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 232 states and 358 transitions. [2023-11-21 18:33:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 358 transitions. [2023-11-21 18:33:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:38,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:38,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:38,083 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 18:33:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 236 states and 364 transitions. [2023-11-21 18:33:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 364 transitions. [2023-11-21 18:33:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:38,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:38,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,170 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 18:33:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 240 states and 370 transitions. [2023-11-21 18:33:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 370 transitions. [2023-11-21 18:33:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:40,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:40,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:40,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:40,962 INFO L285 TraceCheckSpWp]: Computing forward predicates...