./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.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_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/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_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/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_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/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 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:38,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:38,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:38,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:38,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:38,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:38,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:38,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:38,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:38,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:38,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:38,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:38,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:38,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:38,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:38,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:38,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:38,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:38,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:38,856 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:38,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:38,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:38,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:38,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:38,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:38,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:38,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:38,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:38,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:38,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:38,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:38,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:38,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:38,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:38,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:38,862 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_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e [2023-11-21 18:47:39,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:39,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:39,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:39,220 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:39,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:39,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2023-11-21 18:47:42,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:42,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:42,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2023-11-21 18:47:42,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/data/e956aebda/6bbdd1cd399944e0b578a4c888e03862/FLAGfd4341ad8 [2023-11-21 18:47:42,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/data/e956aebda/6bbdd1cd399944e0b578a4c888e03862 [2023-11-21 18:47:42,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:42,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:42,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:42,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:42,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:42,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c23590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42, skipping insertion in model container [2023-11-21 18:47:42,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:42,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:42,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:42,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:42,810 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:42,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42 WrapperNode [2023-11-21 18:47:42,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:42,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:42,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:42,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:42,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,853 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-21 18:47:42,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:42,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:42,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:42,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:42,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:42,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:42,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:42,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:42,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:42" (1/1) ... [2023-11-21 18:47:42,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:42,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:42,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:42,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdee47e-e798-4929-8daf-25e2a7bdc4c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:43,069 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:43,072 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:43,474 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:43,542 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:43,543 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:47:43,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:43 BoogieIcfgContainer [2023-11-21 18:47:43,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:43,546 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:43,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:43,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:43,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:43" (1/1) ... [2023-11-21 18:47:43,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-21 18:47:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-21 18:47:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:43,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,852 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 18:47:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-21 18:47:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-21 18:47:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:43,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,015 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 18:47:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-21 18:47:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-21 18:47:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:44,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,178 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 18:47:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-21 18:47:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-21 18:47:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:44,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,273 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 18:47:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-21 18:47:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-21 18:47:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:44,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,564 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 18:47:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-21 18:47:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-21 18:47:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:47:44,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,645 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 18:47:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2023-11-21 18:47:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2023-11-21 18:47:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:47:45,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:45,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:45,112 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 18:47:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-21 18:47:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-21 18:47:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:47:45,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:45,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:45,248 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 18:47:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2023-11-21 18:47:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2023-11-21 18:47:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:47:45,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:45,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:46,055 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 18:47:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2023-11-21 18:47:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2023-11-21 18:47:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:46,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:46,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:46,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:46,961 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 18:47:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2023-11-21 18:47:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2023-11-21 18:47:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:47,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:47,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:47,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:47,129 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 18:47:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:47:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:47:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:47,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:47,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:47,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:47,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:47,322 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 18:47:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2023-11-21 18:47:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2023-11-21 18:47:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:47,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:47,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:47,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:47,499 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 18:47:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2023-11-21 18:47:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2023-11-21 18:47:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:48,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:48,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:48,705 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 18:47:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2023-11-21 18:47:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2023-11-21 18:47:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:49,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:49,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:49,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:49,807 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 18:47:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-21 18:47:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-21 18:47:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:51,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:51,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:51,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:51,532 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 18:47:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 170 states and 274 transitions. [2023-11-21 18:47:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 274 transitions. [2023-11-21 18:47:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:52,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,761 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 18:47:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 185 states and 320 transitions. [2023-11-21 18:47:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 320 transitions. [2023-11-21 18:47:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:54,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:54,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:54,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:54,578 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 18:47:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 203 states and 351 transitions. [2023-11-21 18:47:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 351 transitions. [2023-11-21 18:47:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:57,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:57,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:57,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:57,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:57,719 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 18:47:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 211 states and 368 transitions. [2023-11-21 18:47:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 368 transitions. [2023-11-21 18:47:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:47:59,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:59,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:59,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 219 states and 386 transitions. [2023-11-21 18:48:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 386 transitions. [2023-11-21 18:48:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:01,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:01,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:01,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:01,121 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 18:48:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 228 states and 405 transitions. [2023-11-21 18:48:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 405 transitions. [2023-11-21 18:48:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:48:03,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:03,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:03,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:03,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:03,324 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 18:48:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 238 states and 425 transitions. [2023-11-21 18:48:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 425 transitions. [2023-11-21 18:48:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:48:05,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:05,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:05,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:05,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:05,291 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 18:48:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 249 states and 446 transitions. [2023-11-21 18:48:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 446 transitions. [2023-11-21 18:48:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:48:07,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:07,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:07,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:07,844 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 18:48:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 263 states and 485 transitions. [2023-11-21 18:48:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2023-11-21 18:48:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:48:11,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:11,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:11,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:12,001 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 18:48:16,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 278 states and 525 transitions. [2023-11-21 18:48:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 525 transitions. [2023-11-21 18:48:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:48:16,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:16,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:16,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:16,983 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 18:48:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 290 states and 562 transitions. [2023-11-21 18:48:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 562 transitions. [2023-11-21 18:48:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:48:20,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:20,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:20,764 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 18:48:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 307 states and 608 transitions. [2023-11-21 18:48:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 608 transitions. [2023-11-21 18:48:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:48:26,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:26,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:26,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:26,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:26,944 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 18:48:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 325 states and 652 transitions. [2023-11-21 18:48:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 652 transitions. [2023-11-21 18:48:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:48:33,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:33,698 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 18:48:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 327 states and 658 transitions. [2023-11-21 18:48:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 658 transitions. [2023-11-21 18:48:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:48:34,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:34,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:34,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:34,673 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 18:48:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 340 states and 695 transitions. [2023-11-21 18:48:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 695 transitions. [2023-11-21 18:48:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:48:37,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:37,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:37,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:37,371 INFO L285 TraceCheckSpWp]: Computing forward predicates...