./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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 04c436006742f36e09d723f85653028f787f4ee63bf5ff6f9895b53f3ce3aea9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:51:26,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:51:26,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:51:26,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:51:26,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:51:26,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:51:26,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:51:26,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:51:26,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:51:26,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:51:26,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:51:26,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:51:26,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:51:26,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:51:26,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:51:26,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:51:26,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:51:26,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:51:26,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:51:26,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:51:26,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:51:26,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:51:26,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:51:26,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:51:26,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:51:26,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:51:26,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:26,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:51:26,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:51:26,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:51:26,133 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:51:26,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:51:26,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:51:26,135 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04c436006742f36e09d723f85653028f787f4ee63bf5ff6f9895b53f3ce3aea9 [2023-12-02 22:51:26,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:51:26,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:51:26,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:51:26,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:51:26,442 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:51:26,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2023-12-02 22:51:29,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:51:29,923 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:51:29,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2023-12-02 22:51:29,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/bc207e714/010c225d05624392ac48a1a369f81a83/FLAG478d396fe [2023-12-02 22:51:29,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/bc207e714/010c225d05624392ac48a1a369f81a83 [2023-12-02 22:51:29,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:51:29,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:51:29,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:29,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:51:29,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:51:29,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:29" (1/1) ... [2023-12-02 22:51:29,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d0aad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:29, skipping insertion in model container [2023-12-02 22:51:29,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:29" (1/1) ... [2023-12-02 22:51:29,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:51:30,155 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c[1571,1584] [2023-12-02 22:51:30,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:30,171 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:51:30,196 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c[1571,1584] [2023-12-02 22:51:30,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:30,212 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:51:30,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30 WrapperNode [2023-12-02 22:51:30,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:30,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:30,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:51:30,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:51:30,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,261 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2023-12-02 22:51:30,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:30,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:51:30,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:51:30,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:51:30,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:51:30,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:51:30,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:51:30,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:51:30,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:30,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:51:30,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:51:30,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:51:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:51:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:51:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:51:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 22:51:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:51:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 22:51:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:51:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:51:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:51:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:51:30,492 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:51:30,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:51:30,749 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:51:30,899 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:51:30,900 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 22:51:30,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:30 BoogieIcfgContainer [2023-12-02 22:51:30,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:51:30,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:51:30,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:51:30,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:51:30,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:30" (1/1) ... [2023-12-02 22:51:30,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:51:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 22:51:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 22:51:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:51:30,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 22:51:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 22:51:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:51:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-02 22:51:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-02 22:51:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:51:31,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:31,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:51:31,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:51:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:51:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:51:31,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:51:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:51:31,691 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 22:51:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-12-02 22:51:31,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:51:31 ImpRootNode [2023-12-02 22:51:31,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:51:31,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:51:31,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:51:31,726 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:51:31,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:30" (3/4) ... [2023-12-02 22:51:31,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:51:31,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:51:31,732 INFO L158 Benchmark]: Toolchain (without parser) took 1776.36ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 98.2MB in the end (delta: 33.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,733 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:31,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.19ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 120.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.12ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,735 INFO L158 Benchmark]: Boogie Preprocessor took 37.06ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 116.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,736 INFO L158 Benchmark]: RCFGBuilder took 601.19ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 138.7MB in the end (delta: -21.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,737 INFO L158 Benchmark]: CodeCheck took 822.30ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 98.2MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 22:51:31,737 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 167.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:31,741 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 120 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 69]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L64] float x = 0.0f; [L65] CALL, EXPR trunc_float(x) [L15] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=0, x=0] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (w) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=0, w=2139095040, x=0] [L21] signbit = w & 0x80000000 [L22] EXPR w & 0x7f800000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=0, exponent_less_127=128, signbit=0, w=2139095040, x=0] [L39] COND FALSE !(exponent_less_127 == 255) VAL [\old(x)=0, exponent_less_127=128, signbit=0, w=2139095040, x=0] [L42] return x; VAL [\old(x)=0, \result=0, exponent_less_127=128, signbit=0, w=2139095040, x=0] [L65] RET, EXPR trunc_float(x) [L65] float res = trunc_float(x); [L68] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=0, x=0] [L68] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L69] reach_error() VAL [res=0, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.19ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 120.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.12ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.06ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 116.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.19ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 138.7MB in the end (delta: -21.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * CodeCheck took 822.30ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 98.2MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 167.8MB. Free memory is still 98.2MB. 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~short14 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 [2023-12-02 22:51:31,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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 04c436006742f36e09d723f85653028f787f4ee63bf5ff6f9895b53f3ce3aea9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:51:34,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:51:34,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:51:34,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:51:34,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:51:34,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:51:34,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:51:34,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:51:34,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:51:34,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:51:34,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:51:34,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:51:34,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:51:34,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:51:34,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:51:34,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:51:34,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:51:34,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:51:34,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:51:34,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:51:34,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:51:34,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:51:34,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:51:34,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:51:34,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:51:34,229 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:34,229 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:51:34,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:51:34,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:34,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:51:34,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:51:34,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:51:34,233 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:51:34,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:34,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:51:34,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:51:34,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:51:34,235 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04c436006742f36e09d723f85653028f787f4ee63bf5ff6f9895b53f3ce3aea9 [2023-12-02 22:51:34,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:51:34,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:51:34,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:51:34,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:51:34,646 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:51:34,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2023-12-02 22:51:37,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:51:37,963 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:51:37,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2023-12-02 22:51:37,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/a849aed01/bfb0d5b53c474ffc94a86decd43d6697/FLAGec2890d2a [2023-12-02 22:51:37,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/data/a849aed01/bfb0d5b53c474ffc94a86decd43d6697 [2023-12-02 22:51:37,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:51:37,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:51:37,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:37,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:51:37,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:51:37,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:37" (1/1) ... [2023-12-02 22:51:37,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ccb2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:37, skipping insertion in model container [2023-12-02 22:51:37,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:37" (1/1) ... [2023-12-02 22:51:38,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:51:38,187 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c[1571,1584] [2023-12-02 22:51:38,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:38,207 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:51:38,232 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_552e3d23-f0aa-4dc1-86d1-8cbadca73808/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c[1571,1584] [2023-12-02 22:51:38,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:38,250 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:51:38,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38 WrapperNode [2023-12-02 22:51:38,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:38,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:38,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:51:38,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:51:38,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,299 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-12-02 22:51:38,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:38,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:51:38,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:51:38,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:51:38,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:51:38,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:51:38,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:51:38,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:51:38,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:51:38,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:51:38,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:51:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:51:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:51:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:51:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:51:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:51:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:51:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:51:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:51:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:51:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:51:38,511 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:51:38,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:51:38,789 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:51:38,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:51:38,819 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 22:51:38,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:38 BoogieIcfgContainer [2023-12-02 22:51:38,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:51:38,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:51:38,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:51:38,835 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:51:38,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:38" (1/1) ... [2023-12-02 22:51:38,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:51:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 22:51:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 22:51:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:51:38,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:38,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:38,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:38,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:38,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:51:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:51:39,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:39,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 22:51:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 22:51:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:51:39,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:39,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:39,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:51:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:51:39,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:39,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:51:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-02 22:51:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-02 22:51:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:51:39,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:39,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:39,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:39,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:39,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:51:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:51:39,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:39,883 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:51:39,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-02 22:51:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-02 22:51:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:51:40,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:40,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:51:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:51:40,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:40,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:51:40,547 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:51:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-02 22:51:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-02 22:51:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:51:40,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:40,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:40,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:40,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:51:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:51:40,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:40,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:51:40,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 22:51:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:41,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:51:41,046 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:51:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-12-02 22:51:41,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-12-02 22:51:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:51:41,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:41,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:41,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:41,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:51:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:41,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:41,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:51:41,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:42,248 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:51:42,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-12-02 22:51:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-12-02 22:51:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:51:43,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:43,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:43,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:43,705 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:43,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:51:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:43,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:43,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 22:51:43,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:43,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:51:44,256 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-12-02 22:51:44,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2023-12-02 22:51:45,095 INFO L349 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2023-12-02 22:51:45,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 56 [2023-12-02 22:51:45,105 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 22:51:45,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 39 [2023-12-02 22:51:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:45,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:51:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2023-12-02 22:51:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-12-02 22:51:50,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:51:50,425 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-02 22:51:50,435 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:51:50,519 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-02 22:51:50,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32() && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x) could not be translated [2023-12-02 22:51:50,526 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-02 22:51:50,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32()) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) could not be translated [2023-12-02 22:51:50,527 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:51:50,529 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-02 22:51:50,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: ~signbit~0 == ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32()) could not be translated [2023-12-02 22:51:50,530 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-02 22:51:50,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_7 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_7, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[22:0]) == ~fp~32(~w~1[31:31], ~w~1[30:23], ~w~1[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~Pluszero~32()) could not be translated [2023-12-02 22:51:50,530 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 22:51:50,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 22:51:50,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:51:50 ImpRootNode [2023-12-02 22:51:50,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:51:50,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:51:50,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:51:50,533 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:51:50,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:38" (3/4) ... [2023-12-02 22:51:50,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:51:50,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-02 22:51:50,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 22:51:50,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:51:50,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:51:50,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:51:50,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:51:50,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:51:50,656 INFO L158 Benchmark]: Toolchain (without parser) took 12667.38ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 45.4MB in the end (delta: 38.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,657 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:50,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.23ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 71.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.38ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,659 INFO L158 Benchmark]: Boogie Preprocessor took 44.10ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,659 INFO L158 Benchmark]: RCFGBuilder took 476.22ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 78.9MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,660 INFO L158 Benchmark]: CodeCheck took 11709.80ms. Allocated memory is still 107.0MB. Free memory was 78.9MB in the beginning and 50.6MB in the end (delta: 28.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,660 INFO L158 Benchmark]: Witness Printer took 122.68ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 45.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:51:50,663 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 411 IncrementalHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 121 mSDtfsCounter, 411 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 698 GetRequests, 619 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2085 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 22 QuantifiedInterpolants, 723 SizeOfPredicates, 33 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 69]: 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: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.23ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 71.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.38ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.10ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.22ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 78.9MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11709.80ms. Allocated memory is still 107.0MB. Free memory was 78.9MB in the beginning and 50.6MB in the end (delta: 28.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 122.68ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 45.4MB 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_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32() && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32()) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: ~signbit~0 == ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) == ~Pluszero~32()) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_7 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_7, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[22:0]) == ~fp~32(~w~1[31:31], ~w~1[30:23], ~w~1[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~Pluszero~32()) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 RESULT: Ultimate proved your program to be correct! [2023-12-02 22:51:50,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552e3d23-f0aa-4dc1-86d1-8cbadca73808/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