./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3 --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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:43:18,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:43:18,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:43:18,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:43:18,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:43:18,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:43:18,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:43:18,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:43:18,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:43:18,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:43:18,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:43:18,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:43:18,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:43:18,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:43:18,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:43:18,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:43:18,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:18,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:43:18,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:43:18,988 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2024-11-25 03:43:19,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:43:19,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:43:19,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:43:19,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:43:19,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:43:19,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2024-11-25 03:43:22,295 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/b1186208d/171ec9f1ff7344999129614a41256461/FLAGd9ada4708 [2024-11-25 03:43:22,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:43:22,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2024-11-25 03:43:22,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/b1186208d/171ec9f1ff7344999129614a41256461/FLAGd9ada4708 [2024-11-25 03:43:22,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/b1186208d/171ec9f1ff7344999129614a41256461 [2024-11-25 03:43:22,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:43:22,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:43:22,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:22,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:43:22,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:43:22,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:22" (1/1) ... [2024-11-25 03:43:22,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1ccb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:22, skipping insertion in model container [2024-11-25 03:43:22,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:22" (1/1) ... [2024-11-25 03:43:22,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:43:22,850 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2024-11-25 03:43:22,855 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2024-11-25 03:43:22,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:22,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:43:22,968 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2024-11-25 03:43:22,972 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2024-11-25 03:43:23,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:23,050 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:43:23,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23 WrapperNode [2024-11-25 03:43:23,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:23,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:23,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:43:23,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:43:23,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,100 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2024-11-25 03:43:23,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:23,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:43:23,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:43:23,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:43:23,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:43:23,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:43:23,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:43:23,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:43:23,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:23" (1/1) ... [2024-11-25 03:43:23,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:43:23,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:43:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:43:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:43:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 03:43:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 03:43:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 03:43:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 03:43:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:43:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:43:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:43:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:43:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:43:23,338 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:43:23,340 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:43:23,776 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 03:43:23,779 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:43:24,051 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:43:24,052 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:43:24,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:24 BoogieIcfgContainer [2024-11-25 03:43:24,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:43:24,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:43:24,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:43:24,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:43:24,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:24" (1/1) ... [2024-11-25 03:43:24,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:43:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 03:43:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 03:43:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:43:24,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:24,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:43:24,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:43:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:43:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:43:24,294 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:43:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:43:24,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:43:24,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:43:24 ImpRootNode [2024-11-25 03:43:24,340 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:43:24,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:43:24,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:43:24,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:43:24,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:24" (3/4) ... [2024-11-25 03:43:24,346 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:43:24,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:43:24,348 INFO L158 Benchmark]: Toolchain (without parser) took 1707.80ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 104.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-25 03:43:24,349 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:24,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.69ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 104.6MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:43:24,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:43:24,354 INFO L158 Benchmark]: Boogie Preprocessor took 55.83ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:24,354 INFO L158 Benchmark]: RCFGBuilder took 892.42ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 115.4MB in the end (delta: -13.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-25 03:43:24,355 INFO L158 Benchmark]: CodeCheck took 287.38ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 104.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:43:24,355 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 142.6MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:24,357 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 4 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.5f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.69ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 104.6MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.83ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 892.42ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 115.4MB in the end (delta: -13.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * CodeCheck took 287.38ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 104.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 142.6MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:43:24,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3 --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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:43:27,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:43:27,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:43:27,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:43:27,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:43:27,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:43:27,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:43:27,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:43:27,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:43:27,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:43:27,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:43:27,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:43:27,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:27,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:43:27,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:43:27,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:27,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:43:27,412 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2024-11-25 03:43:27,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:43:27,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:43:27,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:43:27,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:43:27,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:43:27,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2024-11-25 03:43:30,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/fb305a3ed/f6ffd38871d4435ba8ed65c57aa4f507/FLAG71a1c1df2 [2024-11-25 03:43:31,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:43:31,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2024-11-25 03:43:31,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/fb305a3ed/f6ffd38871d4435ba8ed65c57aa4f507/FLAG71a1c1df2 [2024-11-25 03:43:31,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/data/fb305a3ed/f6ffd38871d4435ba8ed65c57aa4f507 [2024-11-25 03:43:31,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:43:31,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:43:31,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:31,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:43:31,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:43:31,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e99df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31, skipping insertion in model container [2024-11-25 03:43:31,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:43:31,342 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2024-11-25 03:43:31,348 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2024-11-25 03:43:31,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:31,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:43:31,473 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2024-11-25 03:43:31,475 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_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2024-11-25 03:43:31,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:31,552 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:43:31,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31 WrapperNode [2024-11-25 03:43:31,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:31,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:31,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:43:31,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:43:31,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,619 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-25 03:43:31,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:31,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:43:31,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:43:31,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:43:31,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,652 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:43:31,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:43:31,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:43:31,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:43:31,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:31" (1/1) ... [2024-11-25 03:43:31,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:43:31,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:43:31,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 03:43:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 03:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 03:43:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 03:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:43:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:43:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:43:31,845 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:43:31,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:43:42,491 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-25 03:43:42,494 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:43:42,630 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:43:42,630 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:43:42,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:42 BoogieIcfgContainer [2024-11-25 03:43:42,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:43:42,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:43:42,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:43:42,648 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:43:42,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:42" (1/1) ... [2024-11-25 03:43:42,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:43:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 03:43:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 03:43:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:43:42,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:42,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:42,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:42,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:42,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:43:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:56,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:56,682 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) [2024-11-25 03:43:56,687 INFO L158 Benchmark]: Toolchain (without parser) took 25604.06ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 51.9MB in the end (delta: 8.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-25 03:43:56,688 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:56,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.99ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 45.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:43:56,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.80ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:56,690 INFO L158 Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:56,690 INFO L158 Benchmark]: RCFGBuilder took 10954.88ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 59.4MB in the end (delta: -17.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-25 03:43:56,691 INFO L158 Benchmark]: CodeCheck took 14054.63ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 51.9MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:43:56,694 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 1.90ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.99ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 45.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.80ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.74ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10954.88ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 59.4MB in the end (delta: -17.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * CodeCheck took 14054.63ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 51.9MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:43:56,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddcd0e7-867d-4755-84aa-fa0aadfa3e65/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown