./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:58,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:58,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:32:58,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:32:58,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:32:58,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:58,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:58,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:58,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:58,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:58,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:58,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:58,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:32:58,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:32:58,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:32:58,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:58,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:58,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:58,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:58,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:58,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:32:58,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:58,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:58,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:58,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:58,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:58,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:58,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:58,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:58,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:58,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:58,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:32:58,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:32:58,395 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2024-11-08 19:32:58,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:58,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:58,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:58,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:58,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:58,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c Unable to find full path for "g++" [2024-11-08 19:33:00,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:33:01,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:33:01,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2024-11-08 19:33:01,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/64bde79de/fd6698e66a0542ad824b92ed29aad0e4/FLAGdef30685c [2024-11-08 19:33:01,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/64bde79de/fd6698e66a0542ad824b92ed29aad0e4 [2024-11-08 19:33:01,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:33:01,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:33:01,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:33:01,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:33:01,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:33:01,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:33:01" (1/1) ... [2024-11-08 19:33:01,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d219c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:01, skipping insertion in model container [2024-11-08 19:33:01,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:33:01" (1/1) ... [2024-11-08 19:33:01,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:33:01,779 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-08 19:33:01,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:33:01,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:33:01,987 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-08 19:33:01,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:33:02,036 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:33:02,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02 WrapperNode [2024-11-08 19:33:02,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:33:02,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:33:02,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:33:02,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:33:02,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,138 INFO L138 Inliner]: procedures = 27, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1149 [2024-11-08 19:33:02,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:33:02,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:33:02,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:33:02,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:33:02,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:33:02,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:33:02,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:33:02,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:33:02,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:02" (1/1) ... [2024-11-08 19:33:02,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:33:02,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:33:02,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:33:02,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:33:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-08 19:33:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-08 19:33:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:33:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 19:33:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 19:33:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:33:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 19:33:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:33:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 19:33:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-08 19:33:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-08 19:33:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-08 19:33:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-08 19:33:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:33:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-08 19:33:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-08 19:33:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:33:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:33:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:33:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:33:02,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:33:02,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:33:17,717 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2024-11-08 19:33:17,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:33:18,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:33:18,220 INFO L316 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-08 19:33:18,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:18 BoogieIcfgContainer [2024-11-08 19:33:18,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:33:18,222 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:33:18,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:33:18,235 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:33:18,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:18" (1/1) ... [2024-11-08 19:33:18,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:33:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 203 states and 329 transitions. [2024-11-08 19:33:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 329 transitions. [2024-11-08 19:33:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:33:18,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:41,900 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 19:33:51,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:33:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 203 states and 326 transitions. [2024-11-08 19:33:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 326 transitions. [2024-11-08 19:33:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:33:52,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:52,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:14,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:34:47,524 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 19:34:47,529 INFO L158 Benchmark]: Toolchain (without parser) took 106377.02ms. Allocated memory was 157.3MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 96.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,530 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:47,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.37ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 108.4MB in the end (delta: -11.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.83ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 101.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,532 INFO L158 Benchmark]: Boogie Preprocessor took 118.43ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 93.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,533 INFO L158 Benchmark]: RCFGBuilder took 15962.92ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 93.7MB in the beginning and 144.9MB in the end (delta: -51.1MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,534 INFO L158 Benchmark]: CodeCheck took 89306.22ms. Allocated memory was 211.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 144.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-11-08 19:34:47,537 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 0.36ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.37ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 108.4MB in the end (delta: -11.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.83ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 101.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.43ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 93.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 15962.92ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 93.7MB in the beginning and 144.9MB in the end (delta: -51.1MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * CodeCheck took 89306.22ms. Allocated memory was 211.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 144.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:34:47,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:50,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:50,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:34:50,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:50,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:50,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:50,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:50,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:50,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:50,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:50,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:34:50,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:34:50,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:50,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:50,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:50,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:50,186 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:34:50,188 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:34:50,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:50,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:34:50,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:34:50,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:50,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:50,191 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:50,191 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:50,191 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:50,192 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:50,192 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:34:50,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:50,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:50,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:50,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:50,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:50,194 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:34:50,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:50,194 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:34:50,195 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2024-11-08 19:34:50,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:50,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:50,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:50,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:50,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:50,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c Unable to find full path for "g++" [2024-11-08 19:34:52,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:53,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:53,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2024-11-08 19:34:53,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/675ad5139/f92d6d9620d0466b92c9be91db996f6d/FLAG03f7e99f2 [2024-11-08 19:34:53,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/data/675ad5139/f92d6d9620d0466b92c9be91db996f6d [2024-11-08 19:34:53,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:53,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:53,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:53,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:53,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:53,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:53" (1/1) ... [2024-11-08 19:34:53,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6d5a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:53, skipping insertion in model container [2024-11-08 19:34:53,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:53" (1/1) ... [2024-11-08 19:34:53,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:53,726 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-08 19:34:53,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:53,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:53,948 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_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-08 19:34:53,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:54,028 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:54,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54 WrapperNode [2024-11-08 19:34:54,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:54,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:54,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:54,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:54,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,189 INFO L138 Inliner]: procedures = 31, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1094 [2024-11-08 19:34:54,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:54,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:54,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:54,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:54,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:54,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:54,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:54,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:54,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:54,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:54,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:54,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-08 19:34:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-08 19:34:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:34:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-08 19:34:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-08 19:34:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-08 19:34:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-08 19:34:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-08 19:34:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 19:34:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-08 19:34:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-08 19:34:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 19:34:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:34:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:34:54,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:54,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:41,529 INFO L? ?]: Removed 268 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:41,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:41,798 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:41,798 INFO L316 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-08 19:36:41,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:41 BoogieIcfgContainer [2024-11-08 19:36:41,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:41,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:41,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:41,811 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:41,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:41" (1/1) ... [2024-11-08 19:36:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 203 states and 329 transitions. [2024-11-08 19:36:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 329 transitions. [2024-11-08 19:36:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:36:41,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:41,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:41,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:36:41,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:36:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:37:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:02,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:19,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:37:19,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:19,183 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 19:37:19,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:37:24,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:37:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 203 states and 326 transitions. [2024-11-08 19:37:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 326 transitions. [2024-11-08 19:37:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:37:24,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:24,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:24,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:24,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:37:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:49,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:38:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:07,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:38:07,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:08,258 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 19:38:08,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:38:15,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:38:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 205 states and 334 transitions. [2024-11-08 19:38:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 334 transitions. [2024-11-08 19:38:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:38:17,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:17,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:38:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:38:17,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:38:17,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:38:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:37,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:38:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:56,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:38:56,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:56,109 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 19:38:56,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:38:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 205 states and 332 transitions. [2024-11-08 19:38:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 332 transitions. [2024-11-08 19:38:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:38:56,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:56,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:38:56,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:38:56,141 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:38:56,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:39:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:15,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:33,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:39:33,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:33,899 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 19:39:33,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 19:39:43,941 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 [] [2024-11-08 19:39:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 205 states and 330 transitions. [2024-11-08 19:39:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 330 transitions. [2024-11-08 19:39:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:39:44,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:44,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:44,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:40:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:05,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:22,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:40:22,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:23,244 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:40:23,246 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 19:40:24,300 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 19:40:24,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:40:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 207 states and 335 transitions. [2024-11-08 19:40:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 335 transitions. [2024-11-08 19:40:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:40:26,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:26,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:26,116 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:26,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 19:40:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:44,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:41:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:01,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:41:01,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:41:02,291 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 19:41:02,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:41:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 207 states and 333 transitions. [2024-11-08 19:41:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-11-08 19:41:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:41:02,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:02,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:41:02,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:41:02,808 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:41:02,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 19:41:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:25,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:41:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:43,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:41:43,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:41:43,477 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 [2024-11-08 19:41:43,500 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 [2024-11-08 19:41:45,303 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 19:41:45,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:41:55,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:06,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:16,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:28,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:38,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:48,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:42:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 211 states and 341 transitions. [2024-11-08 19:42:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 341 transitions. [2024-11-08 19:42:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:42:48,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:48,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:42:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:42:48,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:42:48,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 19:43:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:09,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:43:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:27,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:43:27,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:27,882 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 [2024-11-08 19:43:27,910 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 [2024-11-08 19:43:28,615 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 19:43:28,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 19:43:40,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:43:50,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:43:50,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 211 states and 339 transitions. [2024-11-08 19:43:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 339 transitions. [2024-11-08 19:43:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:43:50,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:50,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:50,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:43:50,688 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:43:50,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 19:44:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:15,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:44:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:33,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:44:33,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:33,521 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 [2024-11-08 19:44:33,549 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 32 treesize of output 16 [2024-11-08 19:44:35,177 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 19:44:35,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:44:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 209 states and 333 transitions. [2024-11-08 19:44:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 333 transitions. [2024-11-08 19:44:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:44:43,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:44:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:44:43,601 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:44:43,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 19:45:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:06,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:45:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:24,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:45:24,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:25,425 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:45:25,426 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-08 19:45:27,365 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 19:45:27,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:45:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 209 states and 332 transitions. [2024-11-08 19:45:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 332 transitions. [2024-11-08 19:45:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:45:30,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:45:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:45:30,756 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:45:30,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 19:45:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:12,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:46:12,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:14,029 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 19:46:14,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 19:46:26,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:46:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 211 states and 336 transitions. [2024-11-08 19:46:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 336 transitions. [2024-11-08 19:46:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:46:26,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:26,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:26,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 19:46:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:48,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:47:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:06,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:47:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:06,133 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 19:47:06,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 19:47:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:47:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 211 states and 334 transitions. [2024-11-08 19:47:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 334 transitions. [2024-11-08 19:47:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:47:16,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:16,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:47:16,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:47:16,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:47:16,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc79ff31-fccf-4cae-86c9-97b4a8c300cb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 19:47:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:44,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:48:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:03,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:48:03,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:04,013 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:48:04,014 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16