./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9 --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 a0940bfd96a0950756bd3792baab28449f2ca3b13416ea5e5123f1c4a993fcef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:05:47,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:05:47,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:05:47,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:05:47,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:05:47,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:05:47,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:05:47,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:05:47,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:05:47,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:05:47,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:05:47,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:05:47,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:05:47,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:05:47,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:05:47,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:05:47,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:05:47,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:05:47,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:05:47,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:05:47,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:05:47,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:05:47,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:05:47,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:05:47,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:05:47,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:05:47,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:47,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:05:47,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:05:47,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:05:47,418 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:05:47,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:05:47,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:05:47,419 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_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0940bfd96a0950756bd3792baab28449f2ca3b13416ea5e5123f1c4a993fcef [2023-12-03 01:05:47,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:05:47,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:05:47,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:05:47,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:05:47,642 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:05:47,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c [2023-12-03 01:05:50,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:05:50,472 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:05:50,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c [2023-12-03 01:05:50,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/data/da507574f/cbf79832e86142d8ad56f20a89ffd3e5/FLAG5b8d217f7 [2023-12-03 01:05:50,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/data/da507574f/cbf79832e86142d8ad56f20a89ffd3e5 [2023-12-03 01:05:50,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:05:50,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:05:50,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:50,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:05:50,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:05:50,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584357b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50, skipping insertion in model container [2023-12-03 01:05:50,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:05:50,643 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_a44d070f-3f9e-4336-9130-fde078a74aca/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c[525,538] [2023-12-03 01:05:50,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:50,664 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:05:50,673 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_a44d070f-3f9e-4336-9130-fde078a74aca/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c[525,538] [2023-12-03 01:05:50,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:50,690 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:05:50,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50 WrapperNode [2023-12-03 01:05:50,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:50,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:50,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:05:50,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:05:50,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,716 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-03 01:05:50,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:50,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:05:50,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:05:50,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:05:50,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:05:50,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:05:50,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:05:50,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:05:50,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:50,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:50,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:05:50,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:05:50,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44d070f-3f9e-4336-9130-fde078a74aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:05:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:05:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:05:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:05:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:05:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:05:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:05:50,866 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:05:50,868 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:05:50,973 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:05:50,997 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:05:50,998 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:05:51,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:50 BoogieIcfgContainer [2023-12-03 01:05:51,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:05:51,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:05:51,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:05:51,010 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:05:51,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:50" (1/1) ... [2023-12-03 01:05:51,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:05:51,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 01:05:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 01:05:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:05:51,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:51,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:05:51,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 01:05:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 01:05:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:05:51,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:05:51,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-03 01:05:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 01:05:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:05:51,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:05:51,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-03 01:05:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-03 01:05:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:05:51,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:51,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:51,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:05:51,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-12-03 01:05:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-03 01:05:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:05:52,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:52,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:05:52,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:05:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-12-03 01:05:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-03 01:05:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:05:53,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:53,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:05:53,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:04,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:06:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-12-03 01:06:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-12-03 01:06:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:06:04,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:04,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:04,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:06:04,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:26,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:07:35,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:07:45,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:07:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2023-12-03 01:07:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2023-12-03 01:07:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:07:45,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:45,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:07:45,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:08:03,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:08:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2023-12-03 01:08:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-12-03 01:08:24,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:08:24,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:24,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:24,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:08:24,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:12,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:09:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 106 transitions. [2023-12-03 01:09:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 106 transitions. [2023-12-03 01:09:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:09:13,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:13,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:09:13,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:09:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 52 states and 110 transitions. [2023-12-03 01:09:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 110 transitions. [2023-12-03 01:09:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:09:17,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:17,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:09:17,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 53 states and 113 transitions. [2023-12-03 01:09:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2023-12-03 01:09:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:09:17,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:17,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:09:17,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 112 transitions. [2023-12-03 01:09:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 112 transitions. [2023-12-03 01:09:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:09:18,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:18,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:09:18,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:27,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:09:31,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:09:41,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:10:06,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:10:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 61 states and 140 transitions. [2023-12-03 01:10:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 140 transitions. [2023-12-03 01:10:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:10:07,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:07,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:07,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:10:07,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 01:10:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 63 states and 144 transitions. [2023-12-03 01:10:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 144 transitions. [2023-12-03 01:10:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:10:14,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:14,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:10:14,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 148 transitions. [2023-12-03 01:10:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 148 transitions. [2023-12-03 01:10:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:10:15,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:15,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:10:15,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 65 states and 150 transitions. [2023-12-03 01:10:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 150 transitions. [2023-12-03 01:10:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:10:16,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:16,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:10:16,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:28,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:11:08,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:11:18,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:11:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 73 states and 183 transitions. [2023-12-03 01:11:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 183 transitions. [2023-12-03 01:11:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:11:19,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:19,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:19,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:11:19,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 01:11:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 75 states and 189 transitions. [2023-12-03 01:11:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 189 transitions. [2023-12-03 01:11:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:11:25,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:25,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:25,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:11:25,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:11:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 76 states and 191 transitions. [2023-12-03 01:11:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 191 transitions. [2023-12-03 01:11:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:11:26,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:26,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:26,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:11:26,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:11:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 77 states and 193 transitions. [2023-12-03 01:11:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 193 transitions. [2023-12-03 01:11:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:11:27,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:27,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:11:27,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:11:39,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:11:49,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:12:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 85 states and 226 transitions. [2023-12-03 01:12:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 226 transitions. [2023-12-03 01:12:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:12:37,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:37,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:12:37,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-03 01:13:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 87 states and 232 transitions. [2023-12-03 01:13:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 232 transitions. [2023-12-03 01:13:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:10,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:13:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:10,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:13:10,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:13:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 88 states and 239 transitions. [2023-12-03 01:13:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 239 transitions. [2023-12-03 01:13:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:13:10,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:13:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:10,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:13:10,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:13:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 89 states and 241 transitions. [2023-12-03 01:13:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 241 transitions. [2023-12-03 01:13:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:13:11,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:13:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:11,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:13:11,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:13:18,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:13:19,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:13:30,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:14:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 97 states and 277 transitions. [2023-12-03 01:14:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 277 transitions. [2023-12-03 01:14:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:14:18,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:18,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:18,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:14:18,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:14:25,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:14:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 99 states and 284 transitions. [2023-12-03 01:14:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 284 transitions. [2023-12-03 01:14:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:14:43,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:43,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:14:43,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:44,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 100 states and 286 transitions. [2023-12-03 01:14:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 286 transitions. [2023-12-03 01:14:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:14:44,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:44,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:14:44,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 101 states and 294 transitions. [2023-12-03 01:14:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 294 transitions. [2023-12-03 01:14:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:14:44,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:45,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:14:45,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:14,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:15:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 109 states and 333 transitions. [2023-12-03 01:15:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 333 transitions. [2023-12-03 01:15:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:15:27,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:28,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:15:28,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-03 01:16:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 111 states and 341 transitions. [2023-12-03 01:16:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 341 transitions. [2023-12-03 01:16:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:16:08,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:08,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:08,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:16:08,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 112 states and 350 transitions. [2023-12-03 01:16:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 350 transitions. [2023-12-03 01:16:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:16:09,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:09,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:16:09,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 113 states and 352 transitions. [2023-12-03 01:16:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 352 transitions. [2023-12-03 01:16:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:16:10,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:10,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:16:10,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:21,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:16:29,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:16:34,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:17:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 121 states and 394 transitions. [2023-12-03 01:17:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 394 transitions. [2023-12-03 01:17:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:17:32,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:32,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:17:32,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 01:18:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 123 states and 403 transitions. [2023-12-03 01:18:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 403 transitions. [2023-12-03 01:18:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:18:26,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:26,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:18:26,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 124 states and 405 transitions. [2023-12-03 01:18:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 405 transitions. [2023-12-03 01:18:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:18:27,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:27,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:18:27,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 125 states and 415 transitions. [2023-12-03 01:18:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 415 transitions. [2023-12-03 01:18:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:18:28,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:28,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:18:28,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:42,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:19:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 133 states and 460 transitions. [2023-12-03 01:19:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 460 transitions. [2023-12-03 01:19:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:19:56,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:56,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:19:56,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 134 states and 470 transitions. [2023-12-03 01:19:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 470 transitions. [2023-12-03 01:19:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:19:56,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:56,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:57,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:19:57,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-12-03 01:21:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 136 states and 481 transitions. [2023-12-03 01:21:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 481 transitions. [2023-12-03 01:21:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:21:02,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:02,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:21:02,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 137 states and 483 transitions. [2023-12-03 01:21:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 483 transitions. [2023-12-03 01:21:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 01:21:03,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:03,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:03,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 01:21:03,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 20 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.