./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.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_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/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_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/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_0049fe2d-f0f0-48e8-86f3-a527ec777902/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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:12,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:12,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:12,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:12,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:12,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:12,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:12,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:12,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:12,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:12,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:12,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:12,297 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:12,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:12,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:12,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:12,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:12,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:12,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:12,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:12,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:12,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:12,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:12,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:12,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:12,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:12,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:12,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:12,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:12,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:12,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:12,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:12,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:12,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:12,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:12,315 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_0049fe2d-f0f0-48e8-86f3-a527ec777902/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2023-11-21 18:54:12,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:12,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:12,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:12,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:12,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:12,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-21 18:54:16,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:16,829 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:16,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-21 18:54:16,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/data/a833132de/27186647af754283a3bc8599e64d82a5/FLAG45f4c27c3 [2023-11-21 18:54:16,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/data/a833132de/27186647af754283a3bc8599e64d82a5 [2023-11-21 18:54:16,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:16,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:16,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:16,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:16,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:16,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4374cc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:16, skipping insertion in model container [2023-11-21 18:54:16,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:16" (1/1) ... [2023-11-21 18:54:16,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:17,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:17,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:17,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:17,285 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:17,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17 WrapperNode [2023-11-21 18:54:17,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:17,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:17,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:17,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:17,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,360 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-21 18:54:17,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:17,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:17,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:17,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:17,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:17,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:17,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:17,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:17,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:17,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:17,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:17,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:17,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0049fe2d-f0f0-48e8-86f3-a527ec777902/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:54:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:54:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:54:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:54:17,618 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:17,621 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:17,946 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:17,989 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:17,989 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:54:17,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:17 BoogieIcfgContainer [2023-11-21 18:54:17,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:17,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:17,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:18,006 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:18,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:17" (1/1) ... [2023-11-21 18:54:18,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:54:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:54:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:18,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:18,560 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 18:54:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-21 18:54:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-21 18:54:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:18,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:18,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:54:18,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:19,058 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 18:54:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-21 18:54:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-21 18:54:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:54:19,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:19,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:19,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:20,068 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 18:54:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-21 18:54:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-21 18:54:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:54:20,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:20,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:20,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:20,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:20,767 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 18:54:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-21 18:54:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-21 18:54:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:21,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:21,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:21,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:54:21,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:21,900 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 18:54:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-21 18:54:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-21 18:54:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:54:22,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,130 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 18:54:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 90 transitions. [2023-11-21 18:54:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-21 18:54:23,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:23,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,380 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 18:54:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 95 transitions. [2023-11-21 18:54:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-21 18:54:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:54:23,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:23,565 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 18:54:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 94 transitions. [2023-11-21 18:54:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-21 18:54:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:54:23,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:23,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:23,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:23,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:24,035 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 18:54:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 110 transitions. [2023-11-21 18:54:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-21 18:54:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:54:25,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:25,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:25,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:25,948 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 18:54:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 113 transitions. [2023-11-21 18:54:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-11-21 18:54:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:54:26,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:26,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:26,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:26,308 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 18:54:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:28,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 90 states and 130 transitions. [2023-11-21 18:54:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-21 18:54:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:54:28,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:28,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:28,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:28,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:28,933 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 18:54:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 135 transitions. [2023-11-21 18:54:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2023-11-21 18:54:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:29,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:29,285 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 18:54:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 139 transitions. [2023-11-21 18:54:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2023-11-21 18:54:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:30,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:30,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:30,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:30,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,723 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 18:54:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 161 transitions. [2023-11-21 18:54:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-21 18:54:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:54:34,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:34,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:34,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:34,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:34,859 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 18:54:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 183 transitions. [2023-11-21 18:54:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-21 18:54:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:54:38,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:38,610 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 18:54:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 193 transitions. [2023-11-21 18:54:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-11-21 18:54:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:54:39,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:39,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:39,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,384 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 18:54:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 198 transitions. [2023-11-21 18:54:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-21 18:54:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:54:40,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:40,337 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 18:54:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 201 transitions. [2023-11-21 18:54:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-21 18:54:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:54:40,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:54:41,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:54:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 229 transitions. [2023-11-21 18:54:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2023-11-21 18:54:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:54:44,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:44,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:44,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:44,910 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 18:54:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 230 transitions. [2023-11-21 18:54:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-11-21 18:54:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:54:45,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:54:45,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:54:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 153 states and 261 transitions. [2023-11-21 18:54:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 261 transitions. [2023-11-21 18:54:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:49,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:49,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:49,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:49,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:54:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 157 states and 266 transitions. [2023-11-21 18:54:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2023-11-21 18:54:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:50,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:50,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:50,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:54:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 269 transitions. [2023-11-21 18:54:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 269 transitions. [2023-11-21 18:54:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:50,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:50,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:50,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:50,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:54:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 167 states and 277 transitions. [2023-11-21 18:54:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 277 transitions. [2023-11-21 18:54:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:54:51,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:52,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:54:52,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:54:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 177 states and 304 transitions. [2023-11-21 18:54:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 304 transitions. [2023-11-21 18:54:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:54:57,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:57,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:57,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:57,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.