./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-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_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3 --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 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:15:42,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:15:42,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:15:42,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:15:42,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:15:42,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:15:42,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:15:42,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:15:42,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:15:42,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:15:42,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:15:42,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:15:42,440 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:15:42,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:15:42,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:15:42,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:15:42,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:15:42,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:42,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:15:42,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:15:42,443 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_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2024-11-24 18:15:42,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:15:42,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:15:42,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:15:42,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:15:42,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:15:42,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-11-24 18:15:45,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/data/43b42e891/15784fd12bb142818a27dd7d9c203a54/FLAGd6e96198d [2024-11-24 18:15:45,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:15:45,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-11-24 18:15:45,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/data/43b42e891/15784fd12bb142818a27dd7d9c203a54/FLAGd6e96198d [2024-11-24 18:15:45,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/data/43b42e891/15784fd12bb142818a27dd7d9c203a54 [2024-11-24 18:15:45,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:15:45,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:15:45,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:45,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:15:45,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:15:45,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:45" (1/1) ... [2024-11-24 18:15:45,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1971390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:45, skipping insertion in model container [2024-11-24 18:15:45,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:45" (1/1) ... [2024-11-24 18:15:45,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:15:46,116 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_8b886cfd-e856-4d28-a115-23fe4f309f1c/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c[524,537] [2024-11-24 18:15:46,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:46,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:15:46,173 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_8b886cfd-e856-4d28-a115-23fe4f309f1c/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c[524,537] [2024-11-24 18:15:46,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:46,211 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:15:46,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46 WrapperNode [2024-11-24 18:15:46,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:46,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:46,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:15:46,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:15:46,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,259 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-24 18:15:46,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:46,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:15:46,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:15:46,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:15:46,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:15:46,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:15:46,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:15:46,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:15:46,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:46,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:15:46,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:15:46,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b886cfd-e856-4d28-a115-23fe4f309f1c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:15:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:15:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:15:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:15:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:15:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:15:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:15:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:15:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:15:46,445 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:15:46,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:15:46,703 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 18:15:46,705 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:15:46,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:15:46,861 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:15:46,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:46 BoogieIcfgContainer [2024-11-24 18:15:46,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:15:46,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:15:46,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:15:46,874 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:15:46,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:46" (1/1) ... [2024-11-24 18:15:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:15:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-24 18:15:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-24 18:15:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:15:46,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:46,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:15:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:47,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 18:15:47,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:15:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-11-24 18:15:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-24 18:15:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:15:47,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:15:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:47,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 18:15:47,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:15:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:48,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 44 transitions. [2024-11-24 18:15:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-24 18:15:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:15:48,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:15:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:49,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 18:15:49,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:15:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 51 transitions. [2024-11-24 18:15:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-24 18:15:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:15:51,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:15:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:51,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:15:51,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 18:15:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 53 transitions. [2024-11-24 18:15:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-24 18:15:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:15:52,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:52,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:15:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:52,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-24 18:15:52,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-24 18:16:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 69 transitions. [2024-11-24 18:16:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2024-11-24 18:16:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:16:08,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:16:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:08,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 18:16:08,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 18:16:30,335 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:16:51,348 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:16:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 82 transitions. [2024-11-24 18:16:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-11-24 18:16:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:16:52,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:52,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:16:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:53,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-24 18:16:53,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-24 18:17:10,123 WARN L286 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 85 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:17:52,877 WARN L286 SmtUtils]: Spent 38.40s on a formula simplification. DAG size of input: 87 DAG size of output: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:18:17,456 WARN L286 SmtUtils]: Spent 10.52s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:18:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 39 states and 91 transitions. [2024-11-24 18:18:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2024-11-24 18:18:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:18:22,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:22,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:18:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:18:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:23,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-24 18:18:23,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:19:13,551 WARN L286 SmtUtils]: Spent 24.95s on a formula simplification. DAG size of input: 133 DAG size of output: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:19:35,580 WARN L286 SmtUtils]: Spent 10.86s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:19:44,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:19:48,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:19:49,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:19:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 41 states and 99 transitions. [2024-11-24 18:19:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 99 transitions. [2024-11-24 18:19:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:19:49,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:49,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:19:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:50,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:19:50,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:25:01,415 WARN L286 SmtUtils]: Spent 2.86m on a formula simplification. DAG size of input: 55 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:37,392 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:38,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:26:39,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:26:49,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:26:51,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:26:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 43 states and 103 transitions. [2024-11-24 18:26:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 103 transitions. [2024-11-24 18:26:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:26:52,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:52,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:26:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:26:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:52,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-24 18:26:52,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:27:30,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:27:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 44 states and 105 transitions. [2024-11-24 18:27:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 105 transitions. [2024-11-24 18:27:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:31,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:27:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:27:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:32,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-24 18:27:32,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:51,208 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:29:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 18:29:32,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:29:42,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:29:56,079 WARN L286 SmtUtils]: Spent 12.15s on a formula simplification. DAG size of input: 281 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)