./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.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_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/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_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/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_d02f57de-70e1-45c7-9b12-9a4110dd4b24/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 a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:10,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:10,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:10,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:10,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:10,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:10,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:10,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:10,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:10,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:10,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:10,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:10,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:10,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:10,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:10,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:10,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:10,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:10,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:10,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:10,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:10,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:10,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:10,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:10,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:10,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:10,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:10,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:10,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:10,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:10,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:10,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:10,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:10,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:10,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:10,586 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_d02f57de-70e1-45c7-9b12-9a4110dd4b24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 [2023-11-21 18:53:10,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:10,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:10,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:10,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:10,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:10,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2023-11-21 18:53:13,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:14,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:14,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2023-11-21 18:53:14,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/data/498e407c3/f6ded699fef8470ab94f4b6c4c4fe16c/FLAG6d98e4056 [2023-11-21 18:53:14,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/data/498e407c3/f6ded699fef8470ab94f4b6c4c4fe16c [2023-11-21 18:53:14,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:14,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:14,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:14,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:14,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:14,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d38f720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14, skipping insertion in model container [2023-11-21 18:53:14,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:14,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:14,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:14,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:14,454 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:14,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14 WrapperNode [2023-11-21 18:53:14,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:14,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:14,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:14,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:14,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,497 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-21 18:53:14,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:14,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:14,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:14,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:14,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:14,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:14,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:14,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:14,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:14,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:14,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d02f57de-70e1-45c7-9b12-9a4110dd4b24/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:53:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:53:14,680 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:14,682 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:14,987 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:15,073 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:15,073 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:53:15,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:15 BoogieIcfgContainer [2023-11-21 18:53:15,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:15,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:15,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:15,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:15,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:15" (1/1) ... [2023-11-21 18:53:15,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-21 18:53:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:53:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:15,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-21 18:53:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-21 18:53:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:15,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,671 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 18:53:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-21 18:53:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-21 18:53:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:15,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,871 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 18:53:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-21 18:53:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-21 18:53:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:15,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-21 18:53:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-21 18:53:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:16,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,258 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 18:53:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-21 18:53:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-21 18:53:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:16,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,503 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 18:53:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-21 18:53:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-21 18:53:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:16,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,843 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 18:53:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-21 18:53:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-21 18:53:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:16,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,925 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 18:53:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-21 18:53:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-21 18:53:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:17,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:17,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:17,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:17,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:17,358 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 18:53:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-21 18:53:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-21 18:53:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:17,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:17,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:17,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:17,934 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 18:53:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-21 18:53:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-21 18:53:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:18,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:18,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:18,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:18,597 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 18:53:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-21 18:53:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-21 18:53:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:53:19,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-21 18:53:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-21 18:53:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:53:20,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:20,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:20,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:21,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-21 18:53:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-21 18:53:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:21,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:21,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:21,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:22,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-21 18:53:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-21 18:53:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:22,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:22,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-21 18:53:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-21 18:53:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:22,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:22,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-21 18:53:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-21 18:53:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:23,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:23,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:23,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:23,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-21 18:53:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-21 18:53:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:25,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:25,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-21 18:53:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-21 18:53:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:25,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:25,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-21 18:53:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-21 18:53:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:26,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-21 18:53:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-21 18:53:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:26,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-21 18:53:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-21 18:53:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:28,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:28,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:28,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:53:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-21 18:53:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-21 18:53:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:29,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-21 18:53:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-21 18:53:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:30,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:30,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:30,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:30,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-21 18:53:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-21 18:53:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:31,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:31,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:31,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-21 18:53:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-21 18:53:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:32,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:32,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:32,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:32,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-21 18:53:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-21 18:53:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:53:33,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:33,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:33,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:53:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-21 18:53:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-21 18:53:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:53:36,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:36,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:36,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:53:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-21 18:53:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-21 18:53:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:53:36,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:36,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:36,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:53:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-21 18:53:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-21 18:53:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:53:37,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:37,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:37,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:38,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-21 18:53:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-21 18:53:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:53:38,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:38,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:39,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:39,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-21 18:53:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-21 18:53:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:53:39,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:39,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:39,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-21 18:53:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-21 18:53:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:53:41,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:41,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:53:41,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-21 18:53:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-21 18:53:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:44,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:44,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:45,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-21 18:53:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-21 18:53:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:45,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:45,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:45,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-21 18:53:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-21 18:53:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:53:47,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:47,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-21 18:53:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-21 18:53:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:53:47,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:47,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-21 18:53:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-21 18:53:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:53:51,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:51,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:51,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:53:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-21 18:53:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-21 18:53:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:53:52,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:52,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:52,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 322 states and 564 transitions. [2023-11-21 18:53:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 564 transitions. [2023-11-21 18:53:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:53,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:53,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:53,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 326 states and 577 transitions. [2023-11-21 18:53:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 577 transitions. [2023-11-21 18:53:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:55,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:55,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:55,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:53:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 576 transitions. [2023-11-21 18:53:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 576 transitions. [2023-11-21 18:53:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:55,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:55,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:55,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:55,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 327 states and 583 transitions. [2023-11-21 18:53:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 583 transitions. [2023-11-21 18:53:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:57,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:57,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:57,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 333 states and 598 transitions. [2023-11-21 18:53:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 598 transitions. [2023-11-21 18:53:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:59,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:59,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:59,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:54:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 340 states and 611 transitions. [2023-11-21 18:54:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2023-11-21 18:54:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:54:00,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:00,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:00,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:54:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 352 states and 631 transitions. [2023-11-21 18:54:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 631 transitions. [2023-11-21 18:54:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:54:04,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:04,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:04,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:04,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:54:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 360 states and 646 transitions. [2023-11-21 18:54:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 646 transitions. [2023-11-21 18:54:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:54:06,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:06,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:06,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.