./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b --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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:11:28,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:11:28,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:11:28,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:11:28,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:11:28,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:11:28,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:11:28,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:11:28,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:11:28,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:11:28,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:11:28,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:11:28,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:11:28,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:11:28,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:11:28,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:28,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:11:28,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:11:28,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:11:28,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:11:28,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b 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 -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2024-12-06 03:11:29,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:11:29,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:11:29,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:11:29,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:11:29,148 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:11:29,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2024-12-06 03:11:31,858 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/data/f9c0dc9c7/b58b9e9d3c59450fac3ff1503897c3ce/FLAG36973eefe [2024-12-06 03:11:32,027 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:11:32,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2024-12-06 03:11:32,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/data/f9c0dc9c7/b58b9e9d3c59450fac3ff1503897c3ce/FLAG36973eefe [2024-12-06 03:11:32,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/data/f9c0dc9c7/b58b9e9d3c59450fac3ff1503897c3ce [2024-12-06 03:11:32,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:11:32,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:11:32,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:32,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:11:32,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:11:32,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32, skipping insertion in model container [2024-12-06 03:11:32,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:11:32,241 WARN L250 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_ac99f834-8b88-4988-8469-6f98327ae83e/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c[537,550] [2024-12-06 03:11:32,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:32,268 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:11:32,280 WARN L250 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_ac99f834-8b88-4988-8469-6f98327ae83e/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c[537,550] [2024-12-06 03:11:32,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:32,300 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:11:32,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32 WrapperNode [2024-12-06 03:11:32,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:32,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:32,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:11:32,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:11:32,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,331 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-12-06 03:11:32,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:32,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:11:32,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:11:32,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:11:32,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,344 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:11:32,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:11:32,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:11:32,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:11:32,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:32,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:11:32,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:11:32,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:11:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:11:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:11:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:11:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:11:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:11:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:11:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:11:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:11:32,464 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:11:32,466 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:11:32,600 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 03:11:32,600 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:11:32,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:11:32,652 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:11:32,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:32 BoogieIcfgContainer [2024-12-06 03:11:32,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:11:32,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:11:32,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:11:32,662 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:11:32,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:32" (1/1) ... [2024-12-06 03:11:32,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:11:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 03:11:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 03:11:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:11:32,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:32,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:11:32,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:11:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 03:11:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 03:11:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:33,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:33,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 03:11:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 03:11:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:33,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:33,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:33,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:11:33,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 03:11:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 03:11:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:35,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 03:11:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 03:11:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:35,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:35,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 03:11:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 03:11:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:35,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:35,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 03:11:35,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-12-06 03:11:35,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 03:11:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:11:35,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:35,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:35,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:11:35,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:11:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 48 transitions. [2024-12-06 03:11:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-06 03:11:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:11:36,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:36,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:36,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:11:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-12-06 03:11:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 03:11:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:11:37,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:37,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:11:37,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:11:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 58 transitions. [2024-12-06 03:11:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-12-06 03:11:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:11:46,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:46,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:46,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:11:46,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:11:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 64 transitions. [2024-12-06 03:11:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-06 03:11:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:11:51,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:11:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:51,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 03:11:51,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 03:12:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 42 states and 86 transitions. [2024-12-06 03:12:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2024-12-06 03:12:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:12:06,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:06,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:12:06,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 03:12:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 87 transitions. [2024-12-06 03:12:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2024-12-06 03:12:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:12:10,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:10,499 WARN L254 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 03:12:10,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:12:55,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:12:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 101 transitions. [2024-12-06 03:12:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2024-12-06 03:12:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:12:56,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:56,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:56,224 WARN L254 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 03:12:56,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:13:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 50 states and 102 transitions. [2024-12-06 03:13:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-12-06 03:13:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:13:07,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:07,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:07,695 WARN L254 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-06 03:13:07,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 03:14:04,404 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 543 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:14:08,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:14:31,114 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 544 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:14:34,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:14:35,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:14:37,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:14:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 108 transitions. [2024-12-06 03:14:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-12-06 03:14:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:14:37,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:37,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:14:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:37,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:14:37,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 26 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 03:15:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 109 transitions. [2024-12-06 03:15:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2024-12-06 03:15:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:15:07,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:07,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:08,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 03:15:08,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 39 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 03:16:02,058 WARN L286 SmtUtils]: Spent 20.92s on a formula simplification that was a NOOP. DAG size: 562 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:16:32,488 WARN L286 SmtUtils]: Spent 13.43s on a formula simplification that was a NOOP. DAG size: 563 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:16:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 55 states and 115 transitions. [2024-12-06 03:16:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2024-12-06 03:16:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:16:32,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:32,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:16:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:33,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 03:16:33,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 03:17:41,549 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 324 DAG size of output: 308 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:18:37,843 WARN L286 SmtUtils]: Spent 13.69s on a formula simplification. DAG size of input: 611 DAG size of output: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:19:25,151 WARN L286 SmtUtils]: Spent 36.21s on a formula simplification that was a NOOP. DAG size: 613 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:20:36,388 WARN L286 SmtUtils]: Spent 31.21s on a formula simplification that was a NOOP. DAG size: 614 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:20:38,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:20:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:20:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 57 states and 121 transitions. [2024-12-06 03:20:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 121 transitions. [2024-12-06 03:20:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:20:39,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:20:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:20:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:20:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 46 proven. 19 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-06 03:20:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:20:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 35 states and 50 transitions. [2024-12-06 03:20:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-12-06 03:20:50,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:20:50,771 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2024-12-06 03:20:50,778 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:21:07,417 WARN L286 SmtUtils]: Spent 16.63s on a formula simplification. DAG size of input: 681 DAG size of output: 1 (called from [L 622] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2024-12-06 03:21:08,759 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~a~0#1| 50) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~b~0#1|) (<= |ULTIMATE.start_main_~b~0#1| 50)) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~a~0#1| 50) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 45) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 45) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~b~0#1|) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L35(lines 34 45) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 9 11) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L14(lines 14 15) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L13(lines 13 16) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (<= 1 __VERIFIER_assert_~cond))) [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point L13-2(lines 12 18) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 12 18) the Hoare annotation is: true [2024-12-06 03:21:08,760 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 18) the Hoare annotation is: true [2024-12-06 03:21:08,761 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-12-06 03:21:08,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:21:08 ImpRootNode [2024-12-06 03:21:08,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:21:08,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:21:08,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:21:08,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:21:08,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:32" (3/4) ... [2024-12-06 03:21:08,774 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:21:08,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 03:21:08,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 03:21:08,778 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-06 03:21:08,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:21:08,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:21:08,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:21:08,841 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:21:08,841 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:21:08,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:21:08,842 INFO L158 Benchmark]: Toolchain (without parser) took 576784.77ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 116.6MB in the beginning and 257.4MB in the end (delta: -140.9MB). Peak memory consumption was 344.9MB. Max. memory is 16.1GB. [2024-12-06 03:21:08,842 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:08,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:21:08,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.48ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:08,843 INFO L158 Benchmark]: Boogie Preprocessor took 20.02ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 722.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:08,843 INFO L158 Benchmark]: RCFGBuilder took 299.87ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 90.6MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:21:08,843 INFO L158 Benchmark]: CodeCheck took 576118.46ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 90.6MB in the beginning and 261.7MB in the end (delta: -171.1MB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. [2024-12-06 03:21:08,844 INFO L158 Benchmark]: Witness Printer took 68.98ms. Allocated memory is still 629.1MB. Free memory was 261.7MB in the beginning and 257.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:21:08,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 558.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 954 SdHoareTripleChecker+Valid, 135.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 587 SdHoareTripleChecker+Invalid, 133.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 2114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4445 IncrementalHoareTripleChecker+Invalid, 6559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2114 mSolverCounterUnsat, 457 mSDtfsCounter, 4445 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5701 GetRequests, 5282 SyntacticMatches, 181 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32644 ImplicationChecksByTransitivity, 485.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 138.6s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 615 ConstructedInterpolants, 2 QuantifiedInterpolants, 17553 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1541 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 580/826 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.48ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.02ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 722.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.87ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 90.6MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 576118.46ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 90.6MB in the beginning and 261.7MB in the end (delta: -171.1MB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. * Witness Printer took 68.98ms. Allocated memory is still 629.1MB. Free memory was 261.7MB in the beginning and 257.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:21:09,052 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:21:09,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac99f834-8b88-4988-8469-6f98327ae83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE