./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i --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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/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 d02047a3b9d197f6609f19d430d458b8d82d1972f1adb7857eb26188e13a592b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:34:03,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:34:03,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:34:03,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:34:03,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:34:03,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:34:03,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:34:03,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:34:03,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:34:03,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:34:03,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:34:03,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:34:03,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:34:03,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:34:03,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:34:03,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:34:03,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:34:03,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:34:03,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:34:03,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:34:03,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:34:03,664 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:34:03,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:34:03,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:34:03,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:34:03,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:34:03,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:34:03,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:03,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:34:03,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:34:03,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:34:03,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:34:03,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:34:03,666 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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/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 -> d02047a3b9d197f6609f19d430d458b8d82d1972f1adb7857eb26188e13a592b [2024-11-25 04:34:04,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:34:04,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:34:04,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:34:04,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:34:04,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:34:04,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i [2024-11-25 04:34:07,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/data/07d0497fb/d78996af998a4abbadab4d4470563c8d/FLAGa88460db6 [2024-11-25 04:34:07,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:34:07,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i [2024-11-25 04:34:07,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/data/07d0497fb/d78996af998a4abbadab4d4470563c8d/FLAGa88460db6 [2024-11-25 04:34:07,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/data/07d0497fb/d78996af998a4abbadab4d4470563c8d [2024-11-25 04:34:07,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:34:07,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:34:07,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:07,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:34:07,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:34:07,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:07,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4344d512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07, skipping insertion in model container [2024-11-25 04:34:07,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:07,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:34:07,874 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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i[950,963] [2024-11-25 04:34:07,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:07,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:34:07,929 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_231abf2d-da1a-4ddd-8773-a8e1ff241c62/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i[950,963] [2024-11-25 04:34:07,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:07,957 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:34:07,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07 WrapperNode [2024-11-25 04:34:07,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:07,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:07,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:34:07,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:34:07,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:07,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:07,996 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-25 04:34:07,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:07,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:34:07,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:34:07,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:34:08,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:34:08,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:34:08,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:34:08,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:34:08,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:07" (1/1) ... [2024-11-25 04:34:08,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:08,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:34:08,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:34:08,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231abf2d-da1a-4ddd-8773-a8e1ff241c62/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:34:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:34:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:34:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:34:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:34:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:34:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:34:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:34:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:34:08,194 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:34:08,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:34:08,363 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:34:08,363 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:34:08,439 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:34:08,443 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 04:34:08,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:08 BoogieIcfgContainer [2024-11-25 04:34:08,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:34:08,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:34:08,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:34:08,457 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:34:08,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:08" (1/1) ... [2024-11-25 04:34:08,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:34:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 04:34:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 04:34:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:34:08,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:08,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:34:08,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:34:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 33 transitions. [2024-11-25 04:34:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-25 04:34:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:34:09,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:34:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 31 transitions. [2024-11-25 04:34:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-25 04:34:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:34:10,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:10,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:34:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:12,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2024-11-25 04:34:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 04:34:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 04:34:12,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:12,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:12,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:34:12,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:34:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 32 states and 60 transitions. [2024-11-25 04:34:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-11-25 04:34:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:34:19,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:20,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:34:20,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:34:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 35 states and 71 transitions. [2024-11-25 04:34:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-25 04:34:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:34:27,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:27,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:27,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 04:34:27,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:34:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 36 states and 73 transitions. [2024-11-25 04:34:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2024-11-25 04:34:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:34:31,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:31,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:34:31,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 4 refuted. 1 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:39:30,932 WARN L286 SmtUtils]: Spent 59.91s on a formula simplification. DAG size of input: 41 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:42:12,265 WARN L286 SmtUtils]: Spent 22.69s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:42:21,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:16,477 WARN L286 SmtUtils]: Spent 11.77s on a formula simplification. DAG size of input: 55 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:44:29,173 WARN L286 SmtUtils]: Spent 22.86s on a formula simplification. DAG size of input: 57 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:44:46,901 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:46:47,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 33 states and 57 transitions. [2024-11-25 04:46:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 04:46:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 04:46:47,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:47,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:47:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:48:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 37 states and 67 transitions. [2024-11-25 04:48:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-25 04:48:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:48:12,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:48:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:13,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 04:48:13,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.