./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9 --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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:10,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:11,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:35:11,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:35:11,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:35:11,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:11,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:11,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:11,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:11,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:11,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:11,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:11,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:35:11,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:35:11,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:35:11,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:11,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:11,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:11,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:11,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:35:11,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:11,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:11,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:11,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:11,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:11,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:11,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:11,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:11,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:11,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:11,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:35:11,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:35:11,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:11,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2023-12-03 03:35:11,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:11,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:11,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:11,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:11,297 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:11,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-12-03 03:35:14,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:14,286 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:14,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-12-03 03:35:14,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/4e36317c4/11d6f8842bd347019b1ed6585db32871/FLAG4f2cc033d [2023-12-03 03:35:14,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/4e36317c4/11d6f8842bd347019b1ed6585db32871 [2023-12-03 03:35:14,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:14,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:14,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:14,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:14,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:14,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a06626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14, skipping insertion in model container [2023-12-03 03:35:14,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:14,505 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 03:35:14,511 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 03:35:14,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:14,560 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:14,575 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 03:35:14,576 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 03:35:14,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:14,618 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:14,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14 WrapperNode [2023-12-03 03:35:14,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:14,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:14,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:14,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:14,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,658 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-03 03:35:14,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:14,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:14,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:14,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:14,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:14,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:14,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:14,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:14,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:14" (1/1) ... [2023-12-03 03:35:14,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:14,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:14,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:14,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:35:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:35:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:35:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:35:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:35:14,822 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:14,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:15,130 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:15,312 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:15,312 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:35:15,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:15 BoogieIcfgContainer [2023-12-03 03:35:15,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:15,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:15,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:15,326 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:15,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:15" (1/1) ... [2023-12-03 03:35:15,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 03:35:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 03:35:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:35:15,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:15,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:15,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:15,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:15,541 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:35:15,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:35:15 ImpRootNode [2023-12-03 03:35:15,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:35:15,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:35:15,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:35:15,562 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:35:15,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:15" (3/4) ... [2023-12-03 03:35:15,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:35:15,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:35:15,567 INFO L158 Benchmark]: Toolchain (without parser) took 1251.74ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 122.3MB in the beginning and 206.6MB in the end (delta: -84.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,568 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:15,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.10ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 107.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,570 INFO L158 Benchmark]: Boogie Preprocessor took 30.46ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 103.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,570 INFO L158 Benchmark]: RCFGBuilder took 623.57ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 103.9MB in the beginning and 218.9MB in the end (delta: -115.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,571 INFO L158 Benchmark]: CodeCheck took 246.52ms. Allocated memory is still 249.6MB. Free memory was 218.9MB in the beginning and 206.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:35:15,571 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 249.6MB. Free memory is still 206.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:15,575 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, 45 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 - 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 someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] 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; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.399f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.10ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 107.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.46ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 103.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.57ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 103.9MB in the beginning and 218.9MB in the end (delta: -115.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * CodeCheck took 246.52ms. Allocated memory is still 249.6MB. Free memory was 218.9MB in the beginning and 206.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 249.6MB. Free memory is still 206.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:35:15,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9 --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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:17,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:17,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:35:17,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:17,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:17,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:17,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:17,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:17,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:17,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:17,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:35:17,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:35:17,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:17,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:17,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:17,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:17,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:35:17,602 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:35:17,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:35:17,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:35:17,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:17,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:17,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:17,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:17,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:17,606 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:17,606 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:17,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:17,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:17,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:17,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:17,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:17,608 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:35:17,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:17,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:17,609 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:35:17,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:17,609 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2023-12-03 03:35:17,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:17,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:17,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:17,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:17,944 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:17,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-12-03 03:35:20,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:20,983 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:20,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-12-03 03:35:20,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/b4e9ca8fe/b8866586e65545379a8212cabdb15933/FLAG7f682571f [2023-12-03 03:35:21,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/data/b4e9ca8fe/b8866586e65545379a8212cabdb15933 [2023-12-03 03:35:21,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:21,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:21,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:21,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:21,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:21,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e62bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21, skipping insertion in model container [2023-12-03 03:35:21,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:21,224 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 03:35:21,230 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 03:35:21,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:21,280 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:21,295 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 03:35:21,296 WARN L240 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_4cee106f-c833-413b-bbc3-eae0b854ed96/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 03:35:21,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:21,338 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:21,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21 WrapperNode [2023-12-03 03:35:21,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:21,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:21,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:21,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:21,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,381 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-12-03 03:35:21,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:21,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:21,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:21,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:21,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:21,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:21,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:21,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:21,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:21" (1/1) ... [2023-12-03 03:35:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:21,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:21,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:35:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:35:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:35:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:35:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:35:21,560 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:21,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:32,049 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:32,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:32,116 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:35:32,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:32 BoogieIcfgContainer [2023-12-03 03:35:32,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:32,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:32,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:32,129 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:32,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:32" (1/1) ... [2023-12-03 03:35:32,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 03:35:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 03:35:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:35:32,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:32,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:32,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:32,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:45:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:45:36,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:36,636 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:488) 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) [2023-12-03 03:45:36,640 INFO L158 Benchmark]: Toolchain (without parser) took 615631.10ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 38.7MB in the beginning and 51.8MB in the end (delta: -13.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,640 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:36,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.27ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 45.6MB in the end (delta: -7.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.87ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,642 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,642 INFO L158 Benchmark]: RCFGBuilder took 10699.49ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 60.4MB in the end (delta: -18.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,643 INFO L158 Benchmark]: CodeCheck took 604519.43ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 51.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:45:36,646 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.27ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 45.6MB in the end (delta: -7.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.87ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10699.49ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 60.4MB in the end (delta: -18.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 604519.43ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 51.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:45:36,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cee106f-c833-413b-bbc3-eae0b854ed96/bin/ukojak-verify-Qdu7aM0XO9/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