./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi --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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:17,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:17,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:17,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:17,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:17,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:17,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:17,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:17,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:17,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:17,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:17,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:17,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:17,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:17,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:17,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:17,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:17,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:17,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:17,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:17,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:17,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:17,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:17,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:17,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:17,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:17,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:17,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:17,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:17,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:17,781 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:17,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:17,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:17,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2023-11-24 23:11:18,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:18,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:18,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:18,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:18,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:18,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2023-11-24 23:11:21,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:21,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:21,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2023-11-24 23:11:21,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/350ba247a/66db707d30ab4328885d53cc48c45289/FLAG9b007c118 [2023-11-24 23:11:21,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/350ba247a/66db707d30ab4328885d53cc48c45289 [2023-11-24 23:11:21,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:21,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:21,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:21,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:21,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:21,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:21" (1/1) ... [2023-11-24 23:11:21,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e73562a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:21, skipping insertion in model container [2023-11-24 23:11:21,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:21" (1/1) ... [2023-11-24 23:11:21,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:22,395 WARN L240 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_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2023-11-24 23:11:22,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:22,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:22,467 WARN L240 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_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2023-11-24 23:11:22,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:22,618 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:22,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22 WrapperNode [2023-11-24 23:11:22,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:22,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:22,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:22,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:22,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,682 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2023-11-24 23:11:22,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:22,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:22,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:22,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:22,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:22,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:22,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:22,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:22,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:22" (1/1) ... [2023-11-24 23:11:22,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:22,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:22,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:22,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:23,018 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:23,020 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:23,135 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:23,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:23,189 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:23,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23 BoogieIcfgContainer [2023-11-24 23:11:23,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:23,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:23,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:23,202 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:23,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23" (1/1) ... [2023-11-24 23:11:23,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 23:11:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 23:11:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:23,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-24 23:11:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-24 23:11:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:23,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:23,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:23,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:23,617 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:11:23,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:23 ImpRootNode [2023-11-24 23:11:23,649 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:23,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:23,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:23,650 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:23,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:23" (3/4) ... [2023-11-24 23:11:23,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:11:23,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:23,655 INFO L158 Benchmark]: Toolchain (without parser) took 2006.40ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 99.4MB in the end (delta: 24.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-24 23:11:23,656 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:23,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 967.21ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 78.1MB in the end (delta: 45.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 23:11:23,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.29ms. Allocated memory is still 159.4MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:11:23,658 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 159.4MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:23,659 INFO L158 Benchmark]: RCFGBuilder took 468.11ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -42.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:11:23,659 INFO L158 Benchmark]: CodeCheck took 458.24ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 99.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:11:23,659 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 159.4MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:23,662 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: 0.4s, 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, 0.1s 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 - UnprovableResult [Line: 991]: 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 someBinaryDOUBLEComparisonOperation at line 1001, overapproximation of someBinaryArithmeticFLOAToperation at line 1009, overapproximation of someBinaryArithmeticDOUBLEoperation at line 1002. Possible FailurePath: [L994] float pi = 3.14159 ; [L1013] int x ; [L1014] float angleInRadian ; [L1015] float phaseLag = pi/2, phaseLead=pi ; [L1016] double sum1=0.0, sum2 = 0.0 ; [L1017] int temp; [L1018] double count=0.0 ; VAL [count=0, phaseLead=314159/100000, pi=314159/100000, sum1=0, sum2=0] [L1022] COND TRUE 1 [L1024] x = __VERIFIER_nondet_int() [L1025] CALL assume_abort_if_not(x > -180 && x < 180) [L989] COND FALSE !(!cond) [L1025] RET assume_abort_if_not(x > -180 && x < 180) [L1026] CALL, EXPR radianMeasure(x) [L1009] return (degrees * (pi/180)) ; [L1026] RET, EXPR radianMeasure(x) [L1026] angleInRadian = radianMeasure(x) [L1027] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1028] sum1 = sum1 + cos(angleInRadian+3*phaseLag) [L1030] temp = __VERIFIER_nondet_int() [L1031] count++ VAL [angleInRadian=2, phaseLead=314159/100000, pi=314159/100000, temp=0, x=0] [L1032] COND TRUE temp == 0 VAL [angleInRadian=2, phaseLead=314159/100000, pi=314159/100000, temp=0, x=0] [L1035] CALL, EXPR diff(sum1,sum2) [L1001] COND FALSE !(x1 > x2) [L1004] return (x2-x1) ; [L1035] RET, EXPR diff(sum1,sum2) [L1035] CALL __VERIFIER_assert(diff(sum1,sum2) <= count*2) [L991] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, pi=314159/100000] [L991] reach_error() VAL [\old(cond)=0, cond=0, pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 967.21ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 78.1MB in the end (delta: 45.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.29ms. Allocated memory is still 159.4MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 159.4MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.11ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -42.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 458.24ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 99.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 159.4MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:11:23,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi --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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:26,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:26,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:11:26,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:26,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:26,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:26,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:26,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:26,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:26,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:26,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:26,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:26,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:26,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:26,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:26,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:26,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:11:26,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:11:26,697 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:11:26,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:26,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:26,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:26,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:26,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:26,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:26,701 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:26,701 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:26,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:26,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:26,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:26,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:26,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:26,705 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:11:26,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:26,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:26,706 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:11:26,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:26,707 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2023-11-24 23:11:27,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:27,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:27,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:27,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:27,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:27,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2023-11-24 23:11:30,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:30,834 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:30,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2023-11-24 23:11:30,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/55e7aa32e/678400a4c71041e99812f92e0fef83be/FLAG8d809aeba [2023-11-24 23:11:30,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/data/55e7aa32e/678400a4c71041e99812f92e0fef83be [2023-11-24 23:11:30,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:30,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:30,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:30,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:30,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:30,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:30" (1/1) ... [2023-11-24 23:11:30,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2121b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:30, skipping insertion in model container [2023-11-24 23:11:30,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:30" (1/1) ... [2023-11-24 23:11:30,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:31,716 WARN L240 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_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2023-11-24 23:11:31,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:31,755 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:31,812 WARN L240 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_a5628c34-2d34-4f0e-a324-fdc7512fa9df/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2023-11-24 23:11:31,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:31,985 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:31,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31 WrapperNode [2023-11-24 23:11:31,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:31,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:31,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:31,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:31,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,054 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2023-11-24 23:11:32,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:32,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:32,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:32,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:32,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:32,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:32,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:32,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:32,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:31" (1/1) ... [2023-11-24 23:11:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:32,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:32,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:11:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:32,390 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:32,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:39,903 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:39,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:39,964 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:39,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:39 BoogieIcfgContainer [2023-11-24 23:11:39,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:39,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:39,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:39,978 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:39,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:39" (1/1) ... [2023-11-24 23:11:39,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 23:11:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 23:11:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:40,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:40,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:40,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:40,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:40,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:40,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:40,360 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:40,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:50,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:53,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-24 23:11:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-24 23:11:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:53,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:53,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:53,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5628c34-2d34-4f0e-a324-fdc7512fa9df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:11:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:54,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat