./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/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 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:59,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:59,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:21:59,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:21:59,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:21:59,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:59,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:59,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:59,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:59,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:59,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:59,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:59,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:21:59,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:21:59,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:21:59,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:59,618 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:59,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:59,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:59,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:59,618 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:59,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:59,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:59,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:59,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:59,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:59,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:21:59,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:21:59,619 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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/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 -> 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 [2024-11-24 18:21:59,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:59,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:59,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:59,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:59,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:59,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2024-11-24 18:22:03,012 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/data/f97213b59/84b51031da9d4d08a69845a705bb32f5/FLAG0bbb9de06 [2024-11-24 18:22:03,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:22:03,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2024-11-24 18:22:03,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/data/f97213b59/84b51031da9d4d08a69845a705bb32f5/FLAG0bbb9de06 [2024-11-24 18:22:03,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/data/f97213b59/84b51031da9d4d08a69845a705bb32f5 [2024-11-24 18:22:03,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:22:03,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:22:03,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:03,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:22:03,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:22:03,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fd9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03, skipping insertion in model container [2024-11-24 18:22:03,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:22:03,699 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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2024-11-24 18:22:03,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:03,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:22:03,761 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_5728fef3-8673-4fa2-9a22-68f575b7ffd2/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2024-11-24 18:22:03,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:03,805 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:22:03,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03 WrapperNode [2024-11-24 18:22:03,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:03,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:03,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:22:03,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:22:03,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,850 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-24 18:22:03,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:03,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:22:03,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:22:03,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:22:03,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:22:03,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:22:03,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:22:03,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:22:03,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:03" (1/1) ... [2024-11-24 18:22:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:22:03,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:22:03,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:22:03,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5728fef3-8673-4fa2-9a22-68f575b7ffd2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:22:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:22:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:22:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:22:04,064 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:22:04,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:22:04,252 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-24 18:22:04,252 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:22:04,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:22:04,310 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 18:22:04,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:04 BoogieIcfgContainer [2024-11-24 18:22:04,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:22:04,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:22:04,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:22:04,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:22:04,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:04" (1/1) ... [2024-11-24 18:22:04,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:22:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-24 18:22:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-24 18:22:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:22:04,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:04,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 18:22:04,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 18:22:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 33 transitions. [2024-11-24 18:22:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-24 18:22:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:22:05,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:05,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:22:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 31 transitions. [2024-11-24 18:22:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-24 18:22:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:22:06,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:06,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:22:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2024-11-24 18:22:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-24 18:22:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:22:09,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:09,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:09,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 18:22:09,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 18:22:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 55 transitions. [2024-11-24 18:22:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-11-24 18:22:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:22:13,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:13,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-24 18:22:13,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 18:22:33,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:22:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 35 states and 65 transitions. [2024-11-24 18:22:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-24 18:22:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-24 18:22:36,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:36,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:22:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 72 transitions. [2024-11-24 18:22:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-11-24 18:22:47,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:22:47,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:47,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:47,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 18:22:47,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:23:15,982 WARN L286 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:23:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 43 states and 86 transitions. [2024-11-24 18:23:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2024-11-24 18:23:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:23:18,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:18,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:19,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 18:23:19,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 18:23:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 44 states and 89 transitions. [2024-11-24 18:23:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2024-11-24 18:23:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-24 18:23:22,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:22,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:23,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-24 18:23:23,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 18:23:50,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:56,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:24:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 49 states and 106 transitions. [2024-11-24 18:24:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2024-11-24 18:24:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 18:24:41,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:24:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:24:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:43,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-24 18:24:43,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:22,203 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:25:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 18:26:03,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:26:05,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:26:06,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:26:10,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:26:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 48 states and 100 transitions. [2024-11-24 18:26:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2024-11-24 18:26:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:29,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:26:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:11,187 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:31:21,251 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:32:57,067 WARN L286 SmtUtils]: Spent 31.67s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:34:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 18:36:40,822 WARN L286 SmtUtils]: Spent 31.87s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)