./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/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_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/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_621d2040-8f2c-4103-ba57-547578e1eb40/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:07,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:07,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:52:07,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:52:08,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:52:08,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:08,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:08,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:08,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:08,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:08,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:08,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:08,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:52:08,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:52:08,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:52:08,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:08,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:08,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:08,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:08,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:08,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:52:08,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:08,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:08,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:08,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:08,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:08,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:08,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:08,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:08,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:08,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:08,041 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:52:08,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:52:08,041 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_621d2040-8f2c-4103-ba57-547578e1eb40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2024-11-09 00:52:08,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:08,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:08,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:08,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:08,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:08,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c Unable to find full path for "g++" [2024-11-09 00:52:10,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:10,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:10,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2024-11-09 00:52:10,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/c93841be8/9c8114cd93864f83879564be08793525/FLAGeca1bc3e1 [2024-11-09 00:52:10,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/c93841be8/9c8114cd93864f83879564be08793525 [2024-11-09 00:52:10,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:10,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:10,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:10,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:10,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:10,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:10" (1/1) ... [2024-11-09 00:52:10,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a57247a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:10, skipping insertion in model container [2024-11-09 00:52:10,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:10" (1/1) ... [2024-11-09 00:52:10,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:11,122 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_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-09 00:52:11,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:11,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:11,303 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_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-09 00:52:11,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:11,372 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:11,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11 WrapperNode [2024-11-09 00:52:11,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:11,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:11,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:11,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:11,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,477 INFO L138 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1082 [2024-11-09 00:52:11,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:11,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:11,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:11,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:11,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:11,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:11,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:11,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:11,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:11" (1/1) ... [2024-11-09 00:52:11,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:11,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:11,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:11,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 00:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 00:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 00:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-09 00:52:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-09 00:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-09 00:52:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-09 00:52:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:52:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-09 00:52:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-09 00:52:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:52:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-09 00:52:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-09 00:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:52:11,969 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:11,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:52:26,800 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2024-11-09 00:52:26,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:52:27,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:52:27,292 INFO L316 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-09 00:52:27,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:27 BoogieIcfgContainer [2024-11-09 00:52:27,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:52:27,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:52:27,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:52:27,304 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:52:27,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:27" (1/1) ... [2024-11-09 00:52:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:52:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2024-11-09 00:52:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2024-11-09 00:52:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:52:27,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:02,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 202 states and 326 transitions. [2024-11-09 00:53:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 326 transitions. [2024-11-09 00:53:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:53:02,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:53:22,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:53:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:53:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:55,656 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) [2024-11-09 00:53:55,660 INFO L158 Benchmark]: Toolchain (without parser) took 104972.01ms. Allocated memory was 172.0MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 131.9MB in the beginning and 843.8MB in the end (delta: -711.9MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 00:53:55,660 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 172.0MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:53:55,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.72ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 100.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:53:55,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.28ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 93.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:53:55,663 INFO L158 Benchmark]: Boogie Preprocessor took 121.32ms. Allocated memory is still 172.0MB. Free memory was 93.7MB in the beginning and 86.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:53:55,664 INFO L158 Benchmark]: RCFGBuilder took 15693.13ms. Allocated memory was 172.0MB in the beginning and 302.0MB in the end (delta: 130.0MB). Free memory was 86.0MB in the beginning and 137.3MB in the end (delta: -51.2MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2024-11-09 00:53:55,664 INFO L158 Benchmark]: CodeCheck took 88364.81ms. Allocated memory was 302.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 137.3MB in the beginning and 843.8MB in the end (delta: -706.6MB). Peak memory consumption was 984.8MB. Max. memory is 16.1GB. [2024-11-09 00:53:55,668 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 0.59ms. Allocated memory is still 172.0MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.72ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 100.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.28ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 93.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.32ms. Allocated memory is still 172.0MB. Free memory was 93.7MB in the beginning and 86.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15693.13ms. Allocated memory was 172.0MB in the beginning and 302.0MB in the end (delta: 130.0MB). Free memory was 86.0MB in the beginning and 137.3MB in the end (delta: -51.2MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * CodeCheck took 88364.81ms. Allocated memory was 302.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 137.3MB in the beginning and 843.8MB in the end (delta: -706.6MB). Peak memory consumption was 984.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:55,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/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_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/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_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/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_621d2040-8f2c-4103-ba57-547578e1eb40/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:53:58,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:53:58,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:53:58,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:53:58,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:53:58,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:53:58,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:53:58,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:53:58,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:53:58,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:53:58,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:53:58,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:53:58,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:53:58,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:53:58,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:53:58,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:53:58,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:53:58,233 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:53:58,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:53:58,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:53:58,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:53:58,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:53:58,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:53:58,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:53:58,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:53:58,239 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:53:58,240 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:58,240 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:53:58,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:53:58,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:58,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:53:58,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:53:58,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:53:58,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:53:58,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:58,243 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:53:58,244 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_621d2040-8f2c-4103-ba57-547578e1eb40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2024-11-09 00:53:58,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:53:58,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:53:58,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:53:58,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:53:58,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:53:58,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c Unable to find full path for "g++" [2024-11-09 00:54:00,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:54:01,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:54:01,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2024-11-09 00:54:01,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/f20bbe437/f7d76945408040148ad1c0b439efe899/FLAG852208e89 [2024-11-09 00:54:01,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/data/f20bbe437/f7d76945408040148ad1c0b439efe899 [2024-11-09 00:54:01,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:54:01,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:54:01,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:01,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:54:01,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:54:01,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:01,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af6939e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01, skipping insertion in model container [2024-11-09 00:54:01,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:01,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:54:01,611 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_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-09 00:54:01,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:01,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:54:01,894 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_621d2040-8f2c-4103-ba57-547578e1eb40/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-09 00:54:01,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:01,957 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:54:01,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01 WrapperNode [2024-11-09 00:54:01,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:01,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:01,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:54:01,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:54:01,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,082 INFO L138 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1027 [2024-11-09 00:54:02,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:02,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:54:02,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:54:02,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:54:02,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:54:02,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:54:02,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:54:02,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:54:02,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:01" (1/1) ... [2024-11-09 00:54:02,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:02,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:54:02,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:54:02,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:54:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:54:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:54:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 00:54:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:54:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 00:54:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-09 00:54:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-09 00:54:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:54:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 00:54:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-09 00:54:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-09 00:54:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:54:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-09 00:54:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-09 00:54:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-09 00:54:02,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-09 00:54:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 00:54:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:54:02,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:54:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:54:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:54:02,522 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:54:02,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:45,780 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:45,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:46,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:46,079 INFO L316 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-09 00:55:46,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:46 BoogieIcfgContainer [2024-11-09 00:55:46,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:46,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:55:46,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:55:46,090 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:55:46,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:46" (1/1) ... [2024-11-09 00:55:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2024-11-09 00:55:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2024-11-09 00:55:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:55:46,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:46,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:46,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:46,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:46,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:56:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:07,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:26,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:56:26,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:26,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:56:36,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:56:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 202 states and 326 transitions. [2024-11-09 00:56:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 326 transitions. [2024-11-09 00:56:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:56:36,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:36,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:36,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:36,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:56:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:59,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:19,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:57:19,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:19,674 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:57:19,676 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2024-11-09 00:57:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:20,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:57:28,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:57:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 69 transitions. [2024-11-09 00:57:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-09 00:57:29,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:57:29,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:29,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:29,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:29,585 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:29,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:57:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:49,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:58:08,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:08,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:58:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 67 transitions. [2024-11-09 00:58:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-09 00:58:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:58:08,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:08,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:08,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:08,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:58:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:53,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:58:53,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:23,232 WARN L286 SmtUtils]: Spent 10.68s 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) [2024-11-09 00:59:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:34,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:59:56,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:57,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:42,999 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:00:44,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:46,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:56,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:06,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:16,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:27,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:32,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:35,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:44,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:48,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 76 transitions. [2024-11-09 01:02:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-09 01:02:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 01:02:05,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:05,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 01:02:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:29,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:47,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:02:47,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:53,483 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:02:53,484 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-09 01:03:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:13,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621d2040-8f2c-4103-ba57-547578e1eb40/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:23,751 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] [2024-11-09 01:04:34,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:04:45,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:04:56,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:05:07,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:05:17,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:05:27,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:05:38,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:06:37,172 WARN L286 SmtUtils]: Spent 15.19s 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)