./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk --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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:26:26,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:26:26,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:26:26,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:26:26,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:26:26,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:26:26,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:26:26,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:26:26,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:26:26,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:26:26,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:26:26,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:26:26,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:26:26,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:26:26,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:26:26,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:26:26,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:26:26,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:26:26,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:26:26,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:26:26,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:26:26,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:26:26,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:26:26,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:26:26,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:26:26,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:26:26,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:26:26,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:26:26,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:26:26,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:26:26,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:26:26,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:26:26,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:26:26,223 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2024-11-08 22:26:26,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:26:26,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:26:26,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:26:26,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:26:26,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:26:26,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c Unable to find full path for "g++" [2024-11-08 22:26:29,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:26:29,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:26:29,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2024-11-08 22:26:29,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/e2fb0b87e/c6c5063669f845b8bca1c075656f7c74/FLAG9cff4f7ad [2024-11-08 22:26:29,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/e2fb0b87e/c6c5063669f845b8bca1c075656f7c74 [2024-11-08 22:26:29,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:26:29,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:26:29,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:26:29,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:26:29,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:26:29,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:26:29" (1/1) ... [2024-11-08 22:26:29,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c852e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:29, skipping insertion in model container [2024-11-08 22:26:29,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:26:29" (1/1) ... [2024-11-08 22:26:29,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:26:30,276 WARN L250 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-08 22:26:30,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:26:30,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:26:30,459 WARN L250 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-08 22:26:30,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:26:30,515 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:26:30,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30 WrapperNode [2024-11-08 22:26:30,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:26:30,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:26:30,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:26:30,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:26:30,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,631 INFO L138 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1082 [2024-11-08 22:26:30,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:26:30,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:26:30,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:26:30,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:26:30,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:26:30,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:26:30,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:26:30,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:26:30,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:26:30" (1/1) ... [2024-11-08 22:26:30,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:26:30,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:26:30,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:26:30,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:26:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:26:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 22:26:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 22:26:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:26:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:26:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:26:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:26:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:26:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:26:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-08 22:26:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-08 22:26:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:26:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-08 22:26:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-08 22:26:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:26:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-08 22:26:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-08 22:26:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:26:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:26:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:26:31,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:26:31,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:26:46,094 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2024-11-08 22:26:46,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:26:46,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:26:46,753 INFO L316 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-08 22:26:46,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:26:46 BoogieIcfgContainer [2024-11-08 22:26:46,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:26:46,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:26:46,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:26:46,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:26:46,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:26:46" (1/1) ... [2024-11-08 22:26:46,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:26:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2024-11-08 22:26:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2024-11-08 22:26:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:26:46,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:27:32,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 202 states and 326 transitions. [2024-11-08 22:27:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 326 transitions. [2024-11-08 22:27:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:27:32,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:32,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:27:59,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:27:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:28:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:28:33,746 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:28:33,750 INFO L158 Benchmark]: Toolchain (without parser) took 123963.98ms. Allocated memory was 132.1MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 70.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 315.7MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,751 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 132.1MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:28:33,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.54ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 70.6MB in the beginning and 126.0MB in the end (delta: -55.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.26ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 118.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,753 INFO L158 Benchmark]: Boogie Preprocessor took 188.10ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 111.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,754 INFO L158 Benchmark]: RCFGBuilder took 15932.24ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 110.8MB in the beginning and 99.1MB in the end (delta: 11.7MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,755 INFO L158 Benchmark]: CodeCheck took 106993.83ms. Allocated memory was 222.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 99.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 251.9MB. Max. memory is 16.1GB. [2024-11-08 22:28:33,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 132.1MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.54ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 70.6MB in the beginning and 126.0MB in the end (delta: -55.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.26ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 118.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.10ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 111.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 15932.24ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 110.8MB in the beginning and 99.1MB in the end (delta: 11.7MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * CodeCheck took 106993.83ms. Allocated memory was 222.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 99.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 251.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:28:33,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk --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 b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:28:36,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:28:36,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:28:36,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:28:36,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:28:36,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:28:36,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:28:36,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:28:36,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:28:36,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:28:36,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:28:36,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:28:36,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:28:36,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:28:36,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:28:36,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:28:36,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:28:36,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:28:36,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:28:36,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:28:36,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:28:36,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:28:36,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:28:36,320 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:28:36,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:28:36,321 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:28:36,321 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:36,322 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:28:36,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:28:36,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:36,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:28:36,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:28:36,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:28:36,326 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:28:36,326 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:36,327 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:28:36,327 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2024-11-08 22:28:36,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:28:36,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:28:36,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:28:36,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:28:36,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:28:36,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c Unable to find full path for "g++" [2024-11-08 22:28:38,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:28:39,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:28:39,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2024-11-08 22:28:39,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/013d0496b/1b15b475c23d466ebdec65e89403e89d/FLAG353955bf8 [2024-11-08 22:28:39,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/data/013d0496b/1b15b475c23d466ebdec65e89403e89d [2024-11-08 22:28:39,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:28:39,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:28:39,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:39,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:28:39,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:28:39,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:39" (1/1) ... [2024-11-08 22:28:39,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12688d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:39, skipping insertion in model container [2024-11-08 22:28:39,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:39" (1/1) ... [2024-11-08 22:28:39,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:28:39,854 WARN L250 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-08 22:28:39,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:39,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:28:40,089 WARN L250 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_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2024-11-08 22:28:40,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:40,155 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:28:40,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40 WrapperNode [2024-11-08 22:28:40,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:40,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:40,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:28:40,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:28:40,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,303 INFO L138 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1027 [2024-11-08 22:28:40,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:40,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:28:40,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:28:40,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:28:40,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:28:40,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:28:40,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:28:40,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:28:40,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:40" (1/1) ... [2024-11-08 22:28:40,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:40,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:28:40,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:28:40,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 22:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 22:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:28:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-08 22:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-08 22:28:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-08 22:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-08 22:28:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-08 22:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-08 22:28:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-08 22:28:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 22:28:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:28:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:28:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:28:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:28:40,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:28:40,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:30:13,314 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-11-08 22:30:13,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:30:13,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:30:13,631 INFO L316 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-08 22:30:13,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:13 BoogieIcfgContainer [2024-11-08 22:30:13,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:30:13,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:30:13,633 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:30:13,644 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:30:13,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:13" (1/1) ... [2024-11-08 22:30:13,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:30:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2024-11-08 22:30:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2024-11-08 22:30:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:30:13,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:13,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:13,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:13,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:13,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:30:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:32,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:49,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:30:49,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:30:49,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:30:58,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 202 states and 326 transitions. [2024-11-08 22:30:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 326 transitions. [2024-11-08 22:30:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:30:58,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:58,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:58,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:58,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:58,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:31:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:19,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:39,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:31:39,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:39,861 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:31:39,867 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:31:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:31:40,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:31:50,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 69 transitions. [2024-11-08 22:31:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-08 22:31:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:31:51,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:51,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:51,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:51,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:51,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:32:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:12,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:33,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:32:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 67 transitions. [2024-11-08 22:32:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-08 22:32:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:32:33,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:33,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:33,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:33:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:25,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:33:25,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:55,513 WARN L286 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:05,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:34:18,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:19,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:52,055 WARN L286 SmtUtils]: Spent 9.60s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:53,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:54,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:04,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:14,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:24,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:35,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:40,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:44,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:46,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:57,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:03,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:05,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:06,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 76 transitions. [2024-11-08 22:36:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-08 22:36:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:36:26,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:26,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:26,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:26,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:36:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:54,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:37:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:14,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:37:14,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:17,928 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:37:17,928 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:37:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:31,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c5fd41-782a-4ff7-8a9c-c258919da2a6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:38:21,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:38:31,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:38:42,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:38:53,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:39:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:39:14,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:39:25,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:39:35,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:40:27,057 WARN L286 SmtUtils]: Spent 12.96s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:41:19,170 WARN L286 SmtUtils]: Spent 17.11s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)