./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:41,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:41,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:18:41,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:41,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:41,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:41,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:41,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:41,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:41,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:41,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:41,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:41,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:41,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:41,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:41,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:41,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:41,441 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-12-06 01:18:41,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:41,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:41,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:41,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:41,692 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:41,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-12-06 01:18:44,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/e9fcf30b5/c9ce123d93814757903f1a62ffd1f77a/FLAGb782425b0 [2024-12-06 01:18:44,572 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:44,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-12-06 01:18:44,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/e9fcf30b5/c9ce123d93814757903f1a62ffd1f77a/FLAGb782425b0 [2024-12-06 01:18:44,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/e9fcf30b5/c9ce123d93814757903f1a62ffd1f77a [2024-12-06 01:18:44,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:44,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:44,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:44,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:44,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:44,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:44" (1/1) ... [2024-12-06 01:18:44,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392cb066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:44, skipping insertion in model container [2024-12-06 01:18:44,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:44" (1/1) ... [2024-12-06 01:18:44,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:45,318 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-12-06 01:18:45,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:45,340 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:45,364 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-12-06 01:18:45,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:45,456 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:45,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45 WrapperNode [2024-12-06 01:18:45,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:45,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:45,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:45,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:45,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,488 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-12-06 01:18:45,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:45,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:45,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:45,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:45,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:45,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:45,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:45,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:45,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:45,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:45,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:18:45,628 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:45,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:45,710 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:45,710 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:45,745 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:45,746 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:18:45,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:45 BoogieIcfgContainer [2024-12-06 01:18:45,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:45,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:45,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:45,755 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:45,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:45" (1/1) ... [2024-12-06 01:18:45,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:18:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:18:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:18:45,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:45,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:18:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 01:18:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 01:18:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:18:45,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:45,960 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:46,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:46,036 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:18:46,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:46 ImpRootNode [2024-12-06 01:18:46,058 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:46,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:46,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:46,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:46,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:45" (3/4) ... [2024-12-06 01:18:46,062 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:18:46,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:46,064 INFO L158 Benchmark]: Toolchain (without parser) took 1155.09ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 100.6MB in the end (delta: 15.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-12-06 01:18:46,065 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:46,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.20ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 71.2MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:18:46,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.03ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 69.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:46,066 INFO L158 Benchmark]: Boogie Preprocessor took 17.56ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 68.2MB in the end (delta: 809.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:46,066 INFO L158 Benchmark]: RCFGBuilder took 239.11ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 55.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:46,067 INFO L158 Benchmark]: CodeCheck took 312.05ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 100.6MB in the end (delta: -45.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:46,067 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:46,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 988]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 1023, overapproximation of someBinaryArithmeticDOUBLEoperation at line 998, overapproximation of someBinaryDOUBLEComparisonOperation at line 997, overapproximation of someBinaryArithmeticFLOAToperation at line 1005, overapproximation of someBinaryArithmeticFLOAToperation at line 1011. Possible FailurePath: [L990] float pi = 3.14159 ; [L1009] int x ; [L1010] float angleInRadian ; [L1011] float phaseLag = pi/2, phaseLead=pi ; [L1012] double sum1=0.0, sum2 = 0.0 ; [L1013] int temp; [L1014] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1020] x = __VERIFIER_nondet_int() [L1021] CALL assume_abort_if_not(x > -180 && x < 180) [L986] COND FALSE !(!cond) [L1021] RET assume_abort_if_not(x > -180 && x < 180) [L1022] CALL, EXPR radianMeasure(x) [L1005] return (degrees * (pi/180)) ; [L1022] RET, EXPR radianMeasure(x) [L1022] angleInRadian = radianMeasure(x) [L1023] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1024] sum1 = sum1 + cos(angleInRadian+phaseLag) [L1026] temp = __VERIFIER_nondet_int() [L1027] count++ VAL [pi=314159/100000, temp=0] [L1028] COND TRUE temp == 0 VAL [pi=314159/100000] [L1031] CALL, EXPR diff(sum1,sum2) [L997] COND FALSE !(x1 > x2) [L1000] return (x2-x1) ; [L1031] RET, EXPR diff(sum1,sum2) [L1031] CALL __VERIFIER_assert(diff(sum1,sum2) <= count) [L988] COND TRUE !(cond) VAL [pi=314159/100000] [L988] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.20ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 71.2MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.03ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 69.0MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.56ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 68.2MB in the end (delta: 809.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.11ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 55.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 312.05ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 100.6MB in the end (delta: -45.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:18:46,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:48,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:48,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:18:48,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:48,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:48,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:48,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:48,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:48,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:48,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:48,132 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:18:48,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:48,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:48,133 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:18:48,133 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-12-06 01:18:48,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:48,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:48,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:48,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:48,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:48,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-12-06 01:18:51,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/b38bbdd5e/b9a4ec324122421da5f5d1f27c63c6a1/FLAGab44f3738 [2024-12-06 01:18:51,276 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:51,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-12-06 01:18:51,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/b38bbdd5e/b9a4ec324122421da5f5d1f27c63c6a1/FLAGab44f3738 [2024-12-06 01:18:51,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/data/b38bbdd5e/b9a4ec324122421da5f5d1f27c63c6a1 [2024-12-06 01:18:51,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:51,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:51,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:51,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:51,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:51,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cef592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51, skipping insertion in model container [2024-12-06 01:18:51,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:51,716 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-12-06 01:18:51,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:51,746 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:51,775 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_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-12-06 01:18:51,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:51,884 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:51,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51 WrapperNode [2024-12-06 01:18:51,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:51,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:51,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:51,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:51,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,923 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-12-06 01:18:51,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:51,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:51,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:51,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:51,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:51,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:51,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:51,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:51,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:51" (1/1) ... [2024-12-06 01:18:51,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:51,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:51,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:51,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:18:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:52,071 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:52,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:57,439 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:57,439 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:57,468 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:57,468 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:18:57,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:57 BoogieIcfgContainer [2024-12-06 01:18:57,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:57,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:57,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:57,475 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:57,476 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:57" (1/1) ... [2024-12-06 01:18:57,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:18:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:18:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:18:57,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:57,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:57,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:57,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:18:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:57,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:57,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:18:57,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:18:57,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:18:59,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:19:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 01:19:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 01:19:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:19:00,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:00,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:00,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:00,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f4363b-2ff2-4f8a-98a5-81deaed0e4b2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:19:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:01,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:19:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat