./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm --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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:00,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:00,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:52:00,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:52:00,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:52:00,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:00,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:00,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:00,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:00,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:00,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:00,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:00,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:00,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:00,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:00,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:00,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:52:00,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:52:00,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm 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 -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2024-11-13 20:52:01,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:01,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:01,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:01,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:01,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:01,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c Unable to find full path for "g++" [2024-11-13 20:52:03,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:03,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:03,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2024-11-13 20:52:03,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/e164af106/3b6f3eb7feff4b84a3497bc1a5032905/FLAG1ec12376f [2024-11-13 20:52:03,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/e164af106/3b6f3eb7feff4b84a3497bc1a5032905 [2024-11-13 20:52:03,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:03,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:03,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:03,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:03,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:03,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7fd678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03, skipping insertion in model container [2024-11-13 20:52:03,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:03,787 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2024-11-13 20:52:03,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:03,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:03,849 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2024-11-13 20:52:03,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:03,868 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:03,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03 WrapperNode [2024-11-13 20:52:03,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:03,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:03,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:03,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:03,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,929 INFO L138 Inliner]: procedures = 21, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 332 [2024-11-13 20:52:03,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:03,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:03,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:03,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:03,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:03,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:04,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:04,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:04,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:04,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:04,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:04,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:04,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:03" (1/1) ... [2024-11-13 20:52:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:04,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:04,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-13 20:52:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-13 20:52:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:52:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-13 20:52:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-13 20:52:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:52:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 20:52:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:52:04,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:04,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:04,960 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:04,960 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:05,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:05,299 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 20:52:05,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:05 BoogieIcfgContainer [2024-11-13 20:52:05,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:05,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:05,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:05,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:05,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:05" (1/1) ... [2024-11-13 20:52:05,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 125 transitions. [2024-11-13 20:52:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2024-11-13 20:52:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:52:05,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:05,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 77 states and 120 transitions. [2024-11-13 20:52:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-13 20:52:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:52:05,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:06,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:06,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:06,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:52:06,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:52:06 ImpRootNode [2024-11-13 20:52:06,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:52:06,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:52:06,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:52:06,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:52:06,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:05" (3/4) ... [2024-11-13 20:52:06,992 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:52:06,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:52:06,996 INFO L158 Benchmark]: Toolchain (without parser) took 3529.53ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.0MB in the end (delta: 13.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-13 20:52:06,997 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:06,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:52:06,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.28ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:06,998 INFO L158 Benchmark]: Boogie Preprocessor took 78.40ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:07,001 INFO L158 Benchmark]: RCFGBuilder took 1288.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 53.9MB in the end (delta: 17.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-13 20:52:07,001 INFO L158 Benchmark]: CodeCheck took 1686.58ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 79.0MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:07,002 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 79.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:07,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 273]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 269, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 0.0 [L270] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, ix=2146435072, lx=100300371263487, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-2147483648, ix=2146435072, iy=0, lx=100300371263487, ly=100300371263488, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-2147483648, ix=2146435072, iy=0, lx=100300371263487, ly=100300371263488, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L270] RET, EXPR __ieee754_atan2(y, x) [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=9, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=9, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.28ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.40ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1288.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 53.9MB in the end (delta: 17.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * CodeCheck took 1686.58ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 79.0MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 79.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:52:07,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm --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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:09,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:10,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:52:10,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:10,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:10,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:10,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:10,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:10,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:52:10,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:10,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:10,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:52:10,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:10,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:52:10,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm 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 -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2024-11-13 20:52:10,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:10,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:10,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:10,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:10,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:10,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c Unable to find full path for "g++" [2024-11-13 20:52:12,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:12,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:12,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2024-11-13 20:52:12,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/b31b9bbf2/caa75d00f1dd4940b09b888387c4cb13/FLAG3efd9e160 [2024-11-13 20:52:13,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/data/b31b9bbf2/caa75d00f1dd4940b09b888387c4cb13 [2024-11-13 20:52:13,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:13,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:13,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:13,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:13,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:13,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c6fd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13, skipping insertion in model container [2024-11-13 20:52:13,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:13,358 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2024-11-13 20:52:13,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:13,485 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_961a5462-2ea8-4089-ac9a-e0caed6f4114/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2024-11-13 20:52:13,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,513 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:13,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13 WrapperNode [2024-11-13 20:52:13,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:13,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:13,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:13,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,570 INFO L138 Inliner]: procedures = 24, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 248 [2024-11-13 20:52:13,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:13,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:13,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:13,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:13,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:13,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:13,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:13,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-13 20:52:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-13 20:52:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-13 20:52:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-13 20:52:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:52:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:52:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:52:13,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:13,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:30,728 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:30,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:30,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:30,821 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 20:53:30,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:30 BoogieIcfgContainer [2024-11-13 20:53:30,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:30,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:30,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:30,833 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:30,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:30" (1/1) ... [2024-11-13 20:53:30,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 124 transitions. [2024-11-13 20:53:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2024-11-13 20:53:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:53:30,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:30,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:30,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:30,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:53:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:32,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:32,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:53:32,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:32,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:53:33,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 76 states and 119 transitions. [2024-11-13 20:53:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2024-11-13 20:53:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:53:33,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:33,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:33,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:33,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:53:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:36,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:36,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:53:36,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:37,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 20:53:40,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 20:53:40,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 20:53:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:42,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:53:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-13 20:53:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-13 20:53:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:53:50,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:50,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:50,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:50,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:50,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:53:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:52,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:52,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:53:52,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:57,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:54:21,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:54:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2024-11-13 20:54:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2024-11-13 20:54:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:54:22,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:22,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:22,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:22,105 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:22,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:54:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:24,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:24,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:54:24,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:54:28,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:54:58,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:55:10,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:55:14,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:24,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:29,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:32,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:42,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:45,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:47,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:54,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:56,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:01,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:02,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:03,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:09,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:56:17,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 135 transitions. [2024-11-13 20:56:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 135 transitions. [2024-11-13 20:56:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:56:21,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:21,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:21,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:56:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:23,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:23,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:56:23,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:56:31,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:56:55,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:57:06,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:57:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2024-11-13 20:57:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-11-13 20:57:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:57:28,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:28,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:28,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:28,550 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:28,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:57:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:29,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:29,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:57:29,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:29,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 20:57:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 131 transitions. [2024-11-13 20:57:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 131 transitions. [2024-11-13 20:57:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:57:29,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:29,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:29,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:29,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:57:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:32,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:32,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:32,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:59:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:59:13,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961a5462-2ea8-4089-ac9a-e0caed6f4114/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:03:46,952 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:04:32,609 WARN L286 SmtUtils]: Spent 22.98s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:04:59,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:06:42,003 WARN L286 SmtUtils]: Spent 14.69s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:06:52,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:01,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]