./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:29,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:29,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:29,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:29,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:29,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:29,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:29,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:29,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:29,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:29,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:29,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:29,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:29,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:29,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:29,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:29,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:29,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:29,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:29,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:29,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:29,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:29,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:29,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:29,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:29,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:29,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:29,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:29,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:29,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:29,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:29,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:29,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:29,775 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_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b [2023-11-24 22:57:30,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:30,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:30,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:30,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:30,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:30,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2023-11-24 22:57:33,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:33,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:33,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2023-11-24 22:57:33,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/data/4305b3d1d/cc45e97d232c4ee787d92e15257156e1/FLAGd7fa7775f [2023-11-24 22:57:33,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/data/4305b3d1d/cc45e97d232c4ee787d92e15257156e1 [2023-11-24 22:57:33,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:33,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:33,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:33,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:33,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:33,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:33" (1/1) ... [2023-11-24 22:57:33,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4c2850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:33, skipping insertion in model container [2023-11-24 22:57:33,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:33" (1/1) ... [2023-11-24 22:57:33,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:34,127 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i[951,964] [2023-11-24 22:57:34,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:34,168 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:34,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i[951,964] [2023-11-24 22:57:34,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:34,230 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:34,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34 WrapperNode [2023-11-24 22:57:34,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:34,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:34,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:34,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:34,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,281 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-24 22:57:34,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:34,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:34,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:34,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:34,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:34,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:34,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:34,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:34,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:34,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:34,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:34,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb6c455-1eae-4aa3-84e9-66ebff828972/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:57:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:57:34,488 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:34,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:34,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:34,823 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:34,828 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:57:34,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:34 BoogieIcfgContainer [2023-11-24 22:57:34,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:34,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:34,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:34,844 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:34,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:34" (1/1) ... [2023-11-24 22:57:34,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 22:57:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 22:57:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:34,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:34,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:57:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:57:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:35,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 22:57:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 22:57:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:35,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 22:57:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 22:57:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:35,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 22:57:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 22:57:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:36,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:36,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:57:36,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-24 22:57:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-24 22:57:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:37,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:37,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:37,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:57:37,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-24 22:57:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-24 22:57:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:38,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:38,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:39,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:57:39,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2023-11-24 22:57:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2023-11-24 22:57:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:39,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:39,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:39,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:39,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2023-11-24 22:57:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2023-11-24 22:57:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:40,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:40,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:57:40,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-11-24 22:57:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-24 22:57:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:57:41,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:41,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:41,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2023-11-24 22:57:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2023-11-24 22:57:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:41,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:41,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:41,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:41,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2023-11-24 22:57:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2023-11-24 22:57:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:42,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:57:42,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 125 transitions. [2023-11-24 22:57:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2023-11-24 22:57:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:46,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 132 transitions. [2023-11-24 22:57:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 132 transitions. [2023-11-24 22:57:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:47,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:47,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:57:47,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 67 states and 145 transitions. [2023-11-24 22:57:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2023-11-24 22:57:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:48,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:48,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:57:48,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 153 transitions. [2023-11-24 22:57:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 153 transitions. [2023-11-24 22:57:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:49,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:49,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:57:49,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 172 transitions. [2023-11-24 22:57:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 172 transitions. [2023-11-24 22:57:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:52,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:52,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:57:52,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2023-11-24 22:57:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2023-11-24 22:57:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:53,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:53,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:57:53,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 89 states and 220 transitions. [2023-11-24 22:57:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 220 transitions. [2023-11-24 22:57:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:59,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:59,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:57:59,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 94 states and 233 transitions. [2023-11-24 22:58:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 233 transitions. [2023-11-24 22:58:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:01,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:01,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:01,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:01,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 97 states and 250 transitions. [2023-11-24 22:58:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 250 transitions. [2023-11-24 22:58:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:03,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:03,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:58:03,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:58:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 101 states and 259 transitions. [2023-11-24 22:58:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 259 transitions. [2023-11-24 22:58:07,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:07,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:07,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:07,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 101 states and 256 transitions. [2023-11-24 22:58:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 256 transitions. [2023-11-24 22:58:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:08,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:08,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 104 states and 265 transitions. [2023-11-24 22:58:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 265 transitions. [2023-11-24 22:58:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:11,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:11,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:11,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:11,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 104 states and 264 transitions. [2023-11-24 22:58:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 264 transitions. [2023-11-24 22:58:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:12,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:12,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:12,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 111 states and 292 transitions. [2023-11-24 22:58:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 292 transitions. [2023-11-24 22:58:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:18,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:18,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:18,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 115 states and 299 transitions. [2023-11-24 22:58:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 299 transitions. [2023-11-24 22:58:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:21,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:21,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:21,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 117 states and 303 transitions. [2023-11-24 22:58:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 303 transitions. [2023-11-24 22:58:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:23,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:23,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:23,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 123 states and 333 transitions. [2023-11-24 22:58:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 333 transitions. [2023-11-24 22:58:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:26,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:26,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:26,333 INFO L285 TraceCheckSpWp]: Computing forward predicates...