./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.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_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/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_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/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_1272adf7-624d-4bc2-8638-cbb8bc20427d/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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:07:50,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:07:50,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:07:50,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:07:50,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:07:50,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:07:50,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:07:50,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:07:50,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:07:50,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:07:50,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:07:50,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:07:50,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:07:50,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:07:50,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:07:50,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:07:50,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:07:50,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:07:50,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:07:50,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:07:50,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:07:50,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:07:50,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:07:50,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:07:50,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:07:50,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:07:50,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:50,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:07:50,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:07:50,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:07:50,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:07:50,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:07:50,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:07:50,755 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2023-12-02 22:07:51,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:07:51,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:07:51,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:07:51,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:07:51,066 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:07:51,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-12-02 22:07:54,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:07:54,649 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:07:54,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-12-02 22:07:54,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/7590f2493/87bd736b43544d909166c955e065f69e/FLAGa9353b391 [2023-12-02 22:07:54,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/7590f2493/87bd736b43544d909166c955e065f69e [2023-12-02 22:07:54,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:07:54,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:07:54,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:54,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:07:54,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:07:54,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:54" (1/1) ... [2023-12-02 22:07:54,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d100642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:54, skipping insertion in model container [2023-12-02 22:07:54,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:54" (1/1) ... [2023-12-02 22:07:55,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:07:55,168 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-12-02 22:07:55,174 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-12-02 22:07:55,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:55,221 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:07:55,240 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-12-02 22:07:55,241 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-12-02 22:07:55,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:55,286 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:07:55,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55 WrapperNode [2023-12-02 22:07:55,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:55,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:55,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:07:55,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:07:55,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,320 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-12-02 22:07:55,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:55,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:07:55,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:07:55,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:07:55,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:07:55,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:07:55,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:07:55,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:07:55,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:55" (1/1) ... [2023-12-02 22:07:55,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:55,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:07:55,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:07:55,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:07:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:07:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 22:07:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 22:07:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 22:07:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 22:07:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:07:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:07:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:07:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:07:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:07:55,502 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:07:55,503 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:07:55,856 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:07:56,065 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:07:56,065 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:07:56,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:56 BoogieIcfgContainer [2023-12-02 22:07:56,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:07:56,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:07:56,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:07:56,083 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:07:56,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:56" (1/1) ... [2023-12-02 22:07:56,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:07:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-12-02 22:07:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-12-02 22:07:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:07:56,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:07:56,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:07:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:07:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:07:56,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:07:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:07:56,350 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:07:56,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:07:56 ImpRootNode [2023-12-02 22:07:56,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:07:56,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:07:56,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:07:56,374 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:07:56,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:56" (3/4) ... [2023-12-02 22:07:56,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:07:56,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:07:56,381 INFO L158 Benchmark]: Toolchain (without parser) took 1400.88ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 84.2MB in the end (delta: 52.3MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,381 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:56,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.52ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 136.7MB in the end (delta: -269.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.60ms. Allocated memory is still 169.9MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,384 INFO L158 Benchmark]: Boogie Preprocessor took 33.83ms. Allocated memory is still 169.9MB. Free memory was 135.7MB in the beginning and 133.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,385 INFO L158 Benchmark]: RCFGBuilder took 712.20ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 95.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,386 INFO L158 Benchmark]: CodeCheck took 303.79ms. Allocated memory is still 169.9MB. Free memory was 95.9MB in the beginning and 84.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:07:56,386 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 130.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:56,391 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, 49 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: [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; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.398f) 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 0.24ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.52ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 136.7MB in the end (delta: -269.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.60ms. Allocated memory is still 169.9MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.83ms. Allocated memory is still 169.9MB. Free memory was 135.7MB in the beginning and 133.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.20ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 95.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 303.79ms. Allocated memory is still 169.9MB. Free memory was 95.9MB in the beginning and 84.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 130.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:07:56,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/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_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/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_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/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_1272adf7-624d-4bc2-8638-cbb8bc20427d/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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:07:58,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:07:58,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:07:58,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:07:58,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:07:58,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:07:58,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:07:58,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:07:58,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:07:58,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:07:58,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:07:58,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:07:58,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:07:58,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:07:58,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:07:58,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:07:58,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:07:58,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:07:58,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:07:58,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:07:58,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:07:58,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:07:58,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:07:58,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:07:58,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:07:58,890 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:58,890 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:07:58,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:07:58,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:58,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:07:58,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:07:58,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:07:58,894 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:07:58,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:58,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:07:58,895 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:07:58,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:07:58,896 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2023-12-02 22:07:59,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:07:59,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:07:59,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:07:59,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:07:59,284 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:07:59,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-12-02 22:08:02,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:02,911 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:02,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-12-02 22:08:02,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/bb4112b57/14623080a3bf43e585da069e33a5d815/FLAG14df0d338 [2023-12-02 22:08:02,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/data/bb4112b57/14623080a3bf43e585da069e33a5d815 [2023-12-02 22:08:02,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:02,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:02,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:02,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:02,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:02,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:02" (1/1) ... [2023-12-02 22:08:02,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d76cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:02, skipping insertion in model container [2023-12-02 22:08:02,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:02" (1/1) ... [2023-12-02 22:08:02,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:03,207 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-12-02 22:08:03,216 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-12-02 22:08:03,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:03,283 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:03,303 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-12-02 22:08:03,305 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_1272adf7-624d-4bc2-8638-cbb8bc20427d/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-12-02 22:08:03,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:03,360 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:03,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03 WrapperNode [2023-12-02 22:08:03,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:03,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:03,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:03,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:03,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,415 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-12-02 22:08:03,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:03,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:03,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:03,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:03,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:03,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:03,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:03,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:03,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:03" (1/1) ... [2023-12-02 22:08:03,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:03,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:03,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:03,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:08:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 22:08:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 22:08:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 22:08:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 22:08:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:08:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:08:03,667 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:03,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:08:07,963 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:08:08,035 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:08:08,035 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:08:08,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:08 BoogieIcfgContainer [2023-12-02 22:08:08,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:08:08,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:08:08,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:08:08,049 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:08:08,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:08" (1/1) ... [2023-12-02 22:08:08,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:08:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-12-02 22:08:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-12-02 22:08:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:08:08,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:08,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:08,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:08,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1272adf7-624d-4bc2-8638-cbb8bc20427d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:08:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:16,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:08:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat