./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:18:58,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:18:58,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:18:58,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:18:58,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:18:58,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:18:58,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:18:58,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:18:58,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:18:58,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:18:58,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:18:58,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:18:58,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:18:58,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:18:58,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:18:58,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:18:58,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:18:58,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:18:58,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:18:58,555 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:18:58,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:18:58,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:18:58,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:18:58,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:18:58,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:18:58,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:18:58,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:18:58,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:18:58,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:18:58,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:18:58,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:18:58,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:18:58,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:18:58,561 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c [2023-12-02 23:18:58,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:18:58,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:18:58,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:18:58,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:18:58,808 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:18:58,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-12-02 23:19:01,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:19:01,685 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:19:01,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-12-02 23:19:01,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/2d259a42d/2cb8b4d78230434da798a09ebbaf21eb/FLAGef70b9977 [2023-12-02 23:19:01,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/2d259a42d/2cb8b4d78230434da798a09ebbaf21eb [2023-12-02 23:19:01,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:19:01,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:19:01,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:01,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:19:01,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:19:01,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:01" (1/1) ... [2023-12-02 23:19:01,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516a13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:01, skipping insertion in model container [2023-12-02 23:19:01,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:01" (1/1) ... [2023-12-02 23:19:01,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:19:01,913 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-12-02 23:19:01,919 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-12-02 23:19:01,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:01,967 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:19:01,980 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-12-02 23:19:01,982 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-12-02 23:19:02,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:02,024 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:19:02,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02 WrapperNode [2023-12-02 23:19:02,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:02,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:02,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:19:02,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:19:02,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,063 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-12-02 23:19:02,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:02,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:19:02,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:19:02,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:19:02,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:19:02,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:19:02,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:19:02,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:19:02,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:19:02,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:19:02,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 23:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 23:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:19:02,267 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:19:02,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:02,574 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:02,701 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:02,701 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:19:02,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:02 BoogieIcfgContainer [2023-12-02 23:19:02,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:02,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:02,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:02,714 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:02,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:02" (1/1) ... [2023-12-02 23:19:02,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-12-02 23:19:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-12-02 23:19:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:19:02,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:02,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:02,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:02,925 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:19:02,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:19:02 ImpRootNode [2023-12-02 23:19:02,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:19:02,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:19:02,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:19:02,946 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:19:02,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:02" (3/4) ... [2023-12-02 23:19:02,949 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:19:02,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:19:02,951 INFO L158 Benchmark]: Toolchain (without parser) took 1237.72ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 72.8MB in the end (delta: 39.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-12-02 23:19:02,952 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:02,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.77ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 98.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:19:02,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:19:02,954 INFO L158 Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 146.8MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:02,954 INFO L158 Benchmark]: RCFGBuilder took 604.97ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:19:02,955 INFO L158 Benchmark]: CodeCheck took 241.29ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:19:02,955 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 146.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:02,959 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 4 procedures, 49 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 48]: 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 someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.77ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 98.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.22ms. Allocated memory is still 146.8MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.97ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 241.29ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 146.8MB. Free memory is still 72.8MB. 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 23:19:02,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:19:04,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:19:04,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:19:04,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:19:04,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:19:04,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:19:04,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:19:04,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:19:04,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:19:04,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:19:04,945 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:19:04,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:19:04,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:19:04,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:19:04,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:19:04,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:19:04,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:19:04,948 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:19:04,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:19:04,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:19:04,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:19:04,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:19:04,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:19:04,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:19:04,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:19:04,952 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:04,953 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:04,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:19:04,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:04,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:19:04,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:19:04,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:19:04,956 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:19:04,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:04,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:19:04,957 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:19:04,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:04,957 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c [2023-12-02 23:19:05,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:19:05,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:19:05,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:19:05,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:19:05,247 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:19:05,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-12-02 23:19:07,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:19:08,229 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:19:08,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-12-02 23:19:08,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/741de7909/64481a11cc57437eb5c1f2596149938f/FLAG9bed79d91 [2023-12-02 23:19:08,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/data/741de7909/64481a11cc57437eb5c1f2596149938f [2023-12-02 23:19:08,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:19:08,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:19:08,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:08,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:19:08,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:19:08,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5946ee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08, skipping insertion in model container [2023-12-02 23:19:08,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:19:08,432 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-12-02 23:19:08,437 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-12-02 23:19:08,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:08,490 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:19:08,503 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-12-02 23:19:08,505 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_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-12-02 23:19:08,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:08,549 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:19:08,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08 WrapperNode [2023-12-02 23:19:08,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:08,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:08,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:19:08,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:19:08,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,591 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-12-02 23:19:08,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:08,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:19:08,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:19:08,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:19:08,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:19:08,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:19:08,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:19:08,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:19:08,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:08" (1/1) ... [2023-12-02 23:19:08,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:19:08,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:19:08,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:19:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:19:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:19:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:19:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:19:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 23:19:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 23:19:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:19:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:19:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:19:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:19:08,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:19:08,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:12,070 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:12,126 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:12,126 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:19:12,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:12 BoogieIcfgContainer [2023-12-02 23:19:12,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:12,129 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:12,129 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:12,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:12,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:12" (1/1) ... [2023-12-02 23:19:12,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-12-02 23:19:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-12-02 23:19:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:19:12,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:12,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:12,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:12,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:12,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:29:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:23,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:29:34,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:29:34,123 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 23:29:34,127 INFO L158 Benchmark]: Toolchain (without parser) took 625870.92ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 59.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,127 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:29:34,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.79ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 66.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.17ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,129 INFO L158 Benchmark]: Boogie Preprocessor took 39.87ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,130 INFO L158 Benchmark]: RCFGBuilder took 3494.66ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 68.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,130 INFO L158 Benchmark]: CodeCheck took 621996.55ms. Allocated memory is still 104.9MB. Free memory was 68.5MB in the beginning and 59.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:29:34,134 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 0.13ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.79ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 66.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.17ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.87ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3494.66ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 68.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 621996.55ms. Allocated memory is still 104.9MB. Free memory was 68.5MB in the beginning and 59.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:29:34,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e93b10a-ff79-4a4b-bb46-7cf4f1c90524/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