./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC --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 eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:31,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:31,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:31,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:31,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:31,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:31,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:31,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:31,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:31,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:31,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:31,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:31,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:31,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:31,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:31,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:31,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:31,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:31,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:31,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:31,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:31,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:31,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:31,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:31,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:31,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:31,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:31,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:31,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:31,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:31,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:31,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:31,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:31,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:31,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:31,632 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_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 [2023-11-23 20:28:32,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:32,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:32,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:32,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:32,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:32,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-23 20:28:35,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:35,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:35,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-23 20:28:35,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/data/4683f4ee0/b4c981aa0dd14b08b69e9cf907e9251d/FLAG1f1fdf72a [2023-11-23 20:28:35,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/data/4683f4ee0/b4c981aa0dd14b08b69e9cf907e9251d [2023-11-23 20:28:35,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:35,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:35,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:35,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:35,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:35,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4801cb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35, skipping insertion in model container [2023-11-23 20:28:35,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,542 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:35,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:35,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:35,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:35,817 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:35,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35 WrapperNode [2023-11-23 20:28:35,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:35,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:35,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:35,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:35,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,858 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-23 20:28:35,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:35,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:35,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:35,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:35,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:35,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:35,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:35,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:35,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:35" (1/1) ... [2023-11-23 20:28:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:35,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:35,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:35,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24bfb00-7f34-4ad0-bfbd-204cd730aeb7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:28:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:28:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:36,027 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:36,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:36,328 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:36,381 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:36,382 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:28:36,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:36 BoogieIcfgContainer [2023-11-23 20:28:36,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:36,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:36,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:36,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:36,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:36" (1/1) ... [2023-11-23 20:28:36,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-23 20:28:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-23 20:28:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:36,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:28:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-23 20:28:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-23 20:28:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:28:37,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:28:37,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:28:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-23 20:28:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-23 20:28:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:28:37,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:37,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-23 20:28:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-23 20:28:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:37,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:28:37,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:28:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-23 20:28:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-23 20:28:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:38,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:28:38,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:28:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 86 transitions. [2023-11-23 20:28:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-23 20:28:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:28:39,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:39,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:39,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:28:39,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:28:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 93 transitions. [2023-11-23 20:28:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2023-11-23 20:28:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:28:40,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:40,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:40,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 103 transitions. [2023-11-23 20:28:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2023-11-23 20:28:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:41,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:41,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:41,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 115 transitions. [2023-11-23 20:28:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-23 20:28:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:42,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:42,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:42,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 129 transitions. [2023-11-23 20:28:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-23 20:28:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:28:54,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:54,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:54,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 116 states and 144 transitions. [2023-11-23 20:29:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2023-11-23 20:29:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:29:02,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:02,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:02,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:02,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 126 states and 158 transitions. [2023-11-23 20:29:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2023-11-23 20:29:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:29:07,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:07,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:29:07,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:29:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 167 transitions. [2023-11-23 20:29:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2023-11-23 20:29:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:29:10,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:10,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:10,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:10,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 137 states and 172 transitions. [2023-11-23 20:29:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2023-11-23 20:29:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:29:10,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:10,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:10,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 192 transitions. [2023-11-23 20:29:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-23 20:29:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:29:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:11,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:11,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 199 transitions. [2023-11-23 20:29:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2023-11-23 20:29:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:29:12,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:12,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:12,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 170 states and 221 transitions. [2023-11-23 20:29:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2023-11-23 20:29:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:29:14,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:14,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:14,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:14,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:16,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 176 states and 232 transitions. [2023-11-23 20:29:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 232 transitions. [2023-11-23 20:29:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:29:16,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:16,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:16,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 179 states and 236 transitions. [2023-11-23 20:29:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2023-11-23 20:29:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:29:17,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:17,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:17,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:17,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 185 states and 246 transitions. [2023-11-23 20:29:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 246 transitions. [2023-11-23 20:29:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:29:19,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:19,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:19,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 189 states and 251 transitions. [2023-11-23 20:29:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2023-11-23 20:29:20,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:20,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:20,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:20,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:20,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 196 states and 262 transitions. [2023-11-23 20:29:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 262 transitions. [2023-11-23 20:29:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:24,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:24,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:24,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:24,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:29:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 203 states and 276 transitions. [2023-11-23 20:29:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2023-11-23 20:29:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:29:27,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:27,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:27,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 289 transitions. [2023-11-23 20:29:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 289 transitions. [2023-11-23 20:29:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:29:31,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms