./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.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_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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_702d3c62-12c6-4cbd-8bf2-6f970d263033/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:25:40,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:25:40,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:25:40,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:25:40,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:25:40,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:25:40,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:25:40,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:25:40,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:25:40,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:25:40,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:25:40,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:25:40,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:25:40,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:25:40,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:25:40,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:25:40,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:25:40,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:25:40,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:25:40,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:25:40,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:25:40,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:25:40,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:25:40,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:25:40,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:25:40,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:25:40,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:40,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:25:40,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:25:40,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:25:40,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:25:40,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:25:40,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:25:40,437 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-12-03 03:25:40,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:25:40,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:25:40,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:25:40,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:25:40,668 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:25:40,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-12-03 03:25:43,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:25:43,548 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:25:43,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-12-03 03:25:43,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/68c8594a4/6f5df2af0d3c44ef9961eff9a4be7c62/FLAG89aa94804 [2023-12-03 03:25:43,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/68c8594a4/6f5df2af0d3c44ef9961eff9a4be7c62 [2023-12-03 03:25:43,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:25:43,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:25:43,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:43,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:25:43,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:25:43,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3464fcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43, skipping insertion in model container [2023-12-03 03:25:43,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:43,762 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-12-03 03:25:43,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:43,777 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:25:43,809 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-12-03 03:25:43,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:43,823 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:25:43,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43 WrapperNode [2023-12-03 03:25:43,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:43,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:43,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:25:43,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:25:43,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,871 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 333 [2023-12-03 03:25:43,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:43,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:25:43,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:25:43,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:25:43,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:25:43,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:25:43,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:25:43,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:25:43,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:43" (1/1) ... [2023-12-03 03:25:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:43,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:25:43,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:25:43,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:25:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 03:25:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:25:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:25:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 03:25:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:25:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:25:44,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:25:44,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:25:44,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:25:44,619 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:25:44,619 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-12-03 03:25:44,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:44 BoogieIcfgContainer [2023-12-03 03:25:44,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:25:44,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:25:44,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:25:44,630 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:25:44,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:44" (1/1) ... [2023-12-03 03:25:44,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:25:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2023-12-03 03:25:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2023-12-03 03:25:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:25:44,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-12-03 03:25:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 03:25:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:44,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2023-12-03 03:25:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2023-12-03 03:25:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:44,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:44,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-12-03 03:25:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-12-03 03:25:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:25:45,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:45,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:45,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:45,642 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-03 03:25:45,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-12-03 03:25:45,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-12-03 03:25:45,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-12-03 03:25:45,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-12-03 03:25:45,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-12-03 03:25:45,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-12-03 03:25:45,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-12-03 03:25:45,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-12-03 03:25:45,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:25:45 ImpRootNode [2023-12-03 03:25:45,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:25:45,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:25:45,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:25:45,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:25:45,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:44" (3/4) ... [2023-12-03 03:25:45,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:25:45,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:25:45,681 INFO L158 Benchmark]: Toolchain (without parser) took 2109.40ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 78.6MB in the end (delta: 34.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,681 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:45,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.13ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 97.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,683 INFO L158 Benchmark]: Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 94.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,684 INFO L158 Benchmark]: RCFGBuilder took 700.36ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,684 INFO L158 Benchmark]: CodeCheck took 1054.14ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 78.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-12-03 03:25:45,685 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:45,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 75 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 152]: 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 151, overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146. Possible FailurePath: [L20] static const double one_modf = 1.0; [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [\old(x)=2, iptr={2855:0}, iptr={2855:0}, one_modf=1, x=2] [L26] ieee_double_shape_type ew_u; [L27] EXPR ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] EXPR (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] EXPR (i1) = ew_u.parts.lsw [L25-L30] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, one_modf=1, x=2] [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, j0=-1, one_modf=1, x=2] [L32] COND TRUE j0 < 20 VAL [\old(x)=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, j0=-1, one_modf=1, x=2] [L33] COND TRUE j0 < 0 VAL [\old(x)=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, j0=-1, one_modf=1, x=2] [L35] ieee_double_shape_type iw_u; [L36] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L37] EXPR iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] EXPR (*iptr) = iw_u.value [L34-L39] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, j0=-1, one_modf=1, x=2] [L40] return x; VAL [\old(x)=2, \result=2, i0=1071644672, i1=1, iptr={2855:0}, iptr={2855:0}, j0=-1, one_modf=1, x=2] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [\old(x)=3, one_modf=1, x=3] [L116] ieee_double_shape_type ew_u; [L117] EXPR ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] EXPR (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] EXPR (lx) = ew_u.parts.lsw [L115-L120] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, hx=2147483647, lx=1, one_modf=1, x=3] [L121] hx &= 0x7fffffff [L122] EXPR lx | (-lx) [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] EXPR hx | (-hx) [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [iptr={2855:0}, one_modf=1, res=2, x=2] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [iptr={2855:0}, one_modf=1, res=2, x=2] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L152] reach_error() VAL [iptr={2855:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.13ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 97.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 94.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.36ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 1054.14ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 78.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:25:45,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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_702d3c62-12c6-4cbd-8bf2-6f970d263033/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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:25:47,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:25:47,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:25:47,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:25:47,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:25:47,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:25:47,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:25:47,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:25:47,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:25:47,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:25:47,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:25:47,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:25:47,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:25:47,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:25:47,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:25:47,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:25:47,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:25:47,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:25:47,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:25:47,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:25:47,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:25:47,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:25:47,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:25:47,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:25:47,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:25:47,712 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:47,712 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:47,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:25:47,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:47,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:25:47,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:25:47,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:25:47,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:25:47,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:47,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:25:47,715 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:25:47,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:47,716 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-12-03 03:25:48,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:25:48,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:25:48,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:25:48,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:25:48,039 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:25:48,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-12-03 03:25:50,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:25:51,016 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:25:51,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-12-03 03:25:51,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/b41f0367e/ad4c7387ab6f45b6aee57487f13ab01a/FLAG3137c2558 [2023-12-03 03:25:51,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/data/b41f0367e/ad4c7387ab6f45b6aee57487f13ab01a [2023-12-03 03:25:51,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:25:51,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:25:51,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:51,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:25:51,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:25:51,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff189f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51, skipping insertion in model container [2023-12-03 03:25:51,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:51,272 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-12-03 03:25:51,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:51,294 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:25:51,334 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_702d3c62-12c6-4cbd-8bf2-6f970d263033/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-12-03 03:25:51,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:51,353 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:25:51,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51 WrapperNode [2023-12-03 03:25:51,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:51,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:51,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:25:51,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:25:51,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,405 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 257 [2023-12-03 03:25:51,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:51,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:25:51,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:25:51,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:25:51,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:25:51,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:25:51,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:25:51,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:25:51,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:51" (1/1) ... [2023-12-03 03:25:51,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:25:51,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:25:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 03:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 03:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-03 03:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:25:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:25:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:25:51,624 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:25:51,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:25:52,366 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:25:52,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:25:52,393 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-12-03 03:25:52,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:52 BoogieIcfgContainer [2023-12-03 03:25:52,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:25:52,396 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:25:52,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:25:52,403 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:25:52,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:52" (1/1) ... [2023-12-03 03:25:52,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:25:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2023-12-03 03:25:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2023-12-03 03:25:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:25:52,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:52,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:25:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:52,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:52,694 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:25:52,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-12-03 03:25:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 03:25:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:52,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:52,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:52,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:52,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:52,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:25:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:53,030 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:25:53,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:25:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2023-12-03 03:25:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-12-03 03:25:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:53,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:25:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:53,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:25:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2023-12-03 03:25:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-12-03 03:25:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:53,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:25:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:53,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:25:53,591 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:25:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-12-03 03:25:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-12-03 03:25:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:25:53,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:25:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:53,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:25:53,849 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:25:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-12-03 03:25:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-12-03 03:25:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:25:53,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:25:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:54,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:54,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:25:54,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:54,539 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:25:54,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:25:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-12-03 03:25:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-12-03 03:25:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:25:54,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:54,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:54,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:25:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:55,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:55,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:25:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2023-12-03 03:25:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-12-03 03:25:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:25:55,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:55,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:55,160 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:55,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:25:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:25:55,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:25:55,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:25:59,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:02,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 03:26:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 03:26:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:26:03,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:03,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:03,037 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:03,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:26:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:26:03,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:26:07,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:10,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2023-12-03 03:26:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-12-03 03:26:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:26:11,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:11,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:11,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:26:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:11,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:11,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:26:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-03 03:26:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-03 03:26:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:26:11,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:11,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:11,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:11,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:11,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:26:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:26:12,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:12,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 03:26:13,131 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-03 03:26:13,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-12-03 03:26:13,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:26:13,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 38 [2023-12-03 03:26:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:15,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:26:21,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:25,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:30,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:41,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:44,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:26:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-12-03 03:26:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-12-03 03:26:52,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:26:52,454 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-12-03 03:26:52,460 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:26:53,144 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-12-03 03:26:53,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && #res == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated [2023-12-03 03:26:53,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-12-03 03:26:53,151 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-03 03:26:53,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~Pluszero~64())) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-12-03 03:26:53,152 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2023-12-03 03:26:53,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_skolemized_q#valueAsBitvector_118 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~Pluszero~64()) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_118[63:32] == ~msw~0) && ~fp~64(v_skolemized_q#valueAsBitvector_118[63:63], v_skolemized_q#valueAsBitvector_118[62:52], v_skolemized_q#valueAsBitvector_118[51:0]) == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated [2023-12-03 03:26:53,153 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-12-03 03:26:53,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-12-03 03:26:53,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated [2023-12-03 03:26:53,153 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 03:26:53,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-12-03 03:26:53,154 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 03:26:53,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-12-03 03:26:53,154 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-12-03 03:26:53,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-12-03 03:26:53,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated [2023-12-03 03:26:53,155 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:26:53,156 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-03 03:26:53,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_117 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32] == ~high~1 && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_117[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32]) could not be translated [2023-12-03 03:26:53,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:26:53 ImpRootNode [2023-12-03 03:26:53,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:26:53,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:26:53,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:26:53,158 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:26:53,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:52" (3/4) ... [2023-12-03 03:26:53,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:26:53,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-03 03:26:53,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 03:26:53,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:26:53,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:26:53,258 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:26:53,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:26:53,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:26:53,260 INFO L158 Benchmark]: Toolchain (without parser) took 62220.45ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 77.0MB in the beginning and 77.7MB in the end (delta: -662.4kB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,260 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:26:53,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.83ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 63.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 100.7MB. Free memory was 62.8MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,261 INFO L158 Benchmark]: Boogie Preprocessor took 47.29ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 58.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,261 INFO L158 Benchmark]: RCFGBuilder took 940.30ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 69.9MB in the end (delta: -11.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,261 INFO L158 Benchmark]: CodeCheck took 60761.83ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 69.3MB in the beginning and 84.0MB in the end (delta: -14.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,262 INFO L158 Benchmark]: Witness Printer took 101.37ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 77.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:26:53,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1066 SdHoareTripleChecker+Valid, 70.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 512 SdHoareTripleChecker+Invalid, 68.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 462 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1500 GetRequests, 1444 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 187 ConstructedInterpolants, 36 QuantifiedInterpolants, 1171 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1009 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - PositiveResult [Line: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.83ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 63.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 100.7MB. Free memory was 62.8MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.29ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 58.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.30ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 69.9MB in the end (delta: -11.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 60761.83ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 69.3MB in the beginning and 84.0MB in the end (delta: -14.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 101.37ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 77.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && #res == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~Pluszero~64())) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_skolemized_q#valueAsBitvector_118 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~Pluszero~64()) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_118[63:32] == ~msw~0) && ~fp~64(v_skolemized_q#valueAsBitvector_118[63:63], v_skolemized_q#valueAsBitvector_118[62:52], v_skolemized_q#valueAsBitvector_118[51:0]) == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_117 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32] == ~high~1 && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_117[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 03:26:53,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_702d3c62-12c6-4cbd-8bf2-6f970d263033/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: TRUE