./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9 --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:05:59,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:05:59,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:05:59,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:05:59,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:05:59,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:05:59,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:05:59,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:05:59,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:05:59,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:05:59,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:05:59,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:05:59,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:05:59,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:05:59,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:05:59,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:05:59,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:05:59,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:05:59,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:05:59,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:05:59,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:05:59,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:05:59,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:05:59,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:05:59,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:05:59,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:05:59,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:05:59,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:05:59,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:05:59,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:05:59,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:05:59,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:05:59,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:05:59,202 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2023-12-02 22:05:59,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:05:59,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:05:59,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:05:59,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:05:59,438 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:05:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2023-12-02 22:06:02,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:06:02,436 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:06:02,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2023-12-02 22:06:02,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/6036ace2e/042c7d12a612467d9185bb8733617f21/FLAG85ecd8105 [2023-12-02 22:06:02,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/6036ace2e/042c7d12a612467d9185bb8733617f21 [2023-12-02 22:06:02,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:06:02,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:06:02,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:06:02,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:06:02,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:06:02,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71492111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02, skipping insertion in model container [2023-12-02 22:06:02,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:06:02,662 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2023-12-02 22:06:02,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:06:02,690 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:06:02,703 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2023-12-02 22:06:02,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:06:02,724 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:06:02,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02 WrapperNode [2023-12-02 22:06:02,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:06:02,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:06:02,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:06:02,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:06:02,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,761 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2023-12-02 22:06:02,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:06:02,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:06:02,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:06:02,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:06:02,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:06:02,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:06:02,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:06:02,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:06:02,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:02" (1/1) ... [2023-12-02 22:06:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:06:02,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:06:02,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:06:02,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:06:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:06:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:06:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:06:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:06:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:06:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:06:02,938 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:06:02,941 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:06:03,046 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:06:03,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:06:03,075 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:06:03,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:06:03 BoogieIcfgContainer [2023-12-02 22:06:03,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:06:03,078 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:06:03,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:06:03,089 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:06:03,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:06:03" (1/1) ... [2023-12-02 22:06:03,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:06:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-02 22:06:03,153 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-02 22:06:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:06:03,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:06:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:06:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:06:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:06:03,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:06:03,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:06:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:06:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:06:03,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:06:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:06:03,473 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:06:03,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:06:03 ImpRootNode [2023-12-02 22:06:03,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:06:03,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:06:03,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:06:03,500 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:06:03,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:06:03" (3/4) ... [2023-12-02 22:06:03,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:06:03,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:06:03,506 INFO L158 Benchmark]: Toolchain (without parser) took 1041.88ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 95.2MB in the end (delta: 41.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 22:06:03,507 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:03,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.68ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 126.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:06:03,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.24ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:03,509 INFO L158 Benchmark]: Boogie Preprocessor took 24.62ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:06:03,510 INFO L158 Benchmark]: RCFGBuilder took 289.54ms. Allocated memory is still 174.1MB. Free memory was 123.4MB in the beginning and 113.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:06:03,510 INFO L158 Benchmark]: CodeCheck took 421.17ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 95.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:06:03,511 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 174.1MB. Free memory was 95.4MB in the beginning and 95.2MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:03,515 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 2 procedures, 14 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, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 13]: 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 22, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryArithmeticFLOAToperation at line 31. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] CALL assume_abort_if_not(x > -1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x > -1.0) [L22] CALL assume_abort_if_not(x < 1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L22] RET assume_abort_if_not(x < 1.0) [L23] float exp = 1.0 ; [L24] float term = 1.0 ; [L25] unsigned int count = 1 ; [L26] float result = 2*(1/(1-x)) ; [L27] int temp ; VAL [count=1, exp=1, term=1] [L29] COND TRUE 1 [L31] term = term * (x/count) [L32] exp = exp + term [L33] count++ [L35] temp = __VERIFIER_nondet_int() [L36] COND TRUE temp ==0 VAL [count=2, temp=0] [L39] CALL __VERIFIER_assert( result >= exp ) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.68ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 126.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.24ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.62ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.54ms. Allocated memory is still 174.1MB. Free memory was 123.4MB in the beginning and 113.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 421.17ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 95.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 174.1MB. Free memory was 95.4MB in the beginning and 95.2MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:06:03,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9 --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:06:05,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:06:05,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:06:05,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:06:05,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:06:05,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:06:05,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:06:05,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:06:05,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:06:05,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:06:05,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:06:05,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:06:05,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:06:05,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:06:05,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:06:05,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:06:05,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:06:05,749 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:06:05,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:06:05,750 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:06:05,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:06:05,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:06:05,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:06:05,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:06:05,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:06:05,753 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:05,753 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:06:05,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:06:05,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:06:05,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:06:05,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:06:05,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:06:05,755 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:06:05,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:05,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:06:05,756 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:06:05,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:06:05,756 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2023-12-02 22:06:06,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:06:06,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:06:06,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:06:06,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:06:06,073 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:06:06,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2023-12-02 22:06:08,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:06:08,984 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:06:08,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2023-12-02 22:06:08,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/e43c86190/f15d1c8e6c614bc3829e300546e4e1f5/FLAGfe75ffb73 [2023-12-02 22:06:09,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/data/e43c86190/f15d1c8e6c614bc3829e300546e4e1f5 [2023-12-02 22:06:09,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:06:09,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:06:09,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:06:09,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:06:09,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:06:09,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d27ea34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09, skipping insertion in model container [2023-12-02 22:06:09,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:06:09,207 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2023-12-02 22:06:09,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:06:09,240 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:06:09,254 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_a4f151c7-0539-4a85-ba69-b2f1c26d5554/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2023-12-02 22:06:09,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:06:09,278 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:06:09,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09 WrapperNode [2023-12-02 22:06:09,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:06:09,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:06:09,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:06:09,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:06:09,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,322 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2023-12-02 22:06:09,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:06:09,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:06:09,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:06:09,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:06:09,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:06:09,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:06:09,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:06:09,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:06:09,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:06:09" (1/1) ... [2023-12-02 22:06:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:06:09,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:06:09,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:06:09,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:06:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:06:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:06:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:06:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:06:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:06:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:06:09,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:06:09,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:06:21,472 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:06:21,509 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:06:21,510 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:06:21,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:06:21 BoogieIcfgContainer [2023-12-02 22:06:21,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:06:21,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:06:21,513 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:06:21,524 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:06:21,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:06:21" (1/1) ... [2023-12-02 22:06:21,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:06:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-02 22:06:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-02 22:06:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:06:21,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:21,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:21,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:21,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:06:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:21,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:21,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:06:21,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:06:21,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:06:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:06:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:06:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:06:21,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:21,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:21,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:06:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:22,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:06:33,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:06:33,491 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:06:33,495 INFO L158 Benchmark]: Toolchain (without parser) took 24483.48ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 90.2MB in the end (delta: 3.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-12-02 22:06:33,496 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:33,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.08ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:06:33,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:06:33,497 INFO L158 Benchmark]: Boogie Preprocessor took 33.93ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:33,498 INFO L158 Benchmark]: RCFGBuilder took 12153.98ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 67.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:06:33,498 INFO L158 Benchmark]: CodeCheck took 11980.53ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 90.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:06:33,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.08ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.93ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 12153.98ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 67.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11980.53ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 90.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:06:33,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f151c7-0539-4a85-ba69-b2f1c26d5554/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown