./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:32,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:32,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:56:32,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:56:32,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:56:32,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:32,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:32,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:32,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:32,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:32,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:32,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:32,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:32,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:56:32,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:32,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:32,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:32,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:32,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:32,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:32,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:32,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:32,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:32,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:32,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:32,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:32,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:32,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:32,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:32,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:32,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:56:32,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:56:32,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:32,467 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 [2023-12-02 20:56:32,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:32,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:32,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:32,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:32,714 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:32,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-12-02 20:56:35,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:35,678 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:35,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-12-02 20:56:35,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/4285f36e4/3e99ef41205c4defa60f4d066734ce6b/FLAG312006a68 [2023-12-02 20:56:35,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/4285f36e4/3e99ef41205c4defa60f4d066734ce6b [2023-12-02 20:56:35,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:35,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:35,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:35,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:35,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:35,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:35" (1/1) ... [2023-12-02 20:56:35,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d25bd71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:35, skipping insertion in model container [2023-12-02 20:56:35,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:35" (1/1) ... [2023-12-02 20:56:35,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:35,916 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-12-02 20:56:35,922 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-12-02 20:56:35,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:35,977 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:35,992 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-12-02 20:56:35,993 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-12-02 20:56:36,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:36,040 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:36,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36 WrapperNode [2023-12-02 20:56:36,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:36,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:36,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:36,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:36,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,087 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-12-02 20:56:36,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:36,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:36,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:36,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:36,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:36,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:36,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:36,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:36,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:36,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:36,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 20:56:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 20:56:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:56:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:56:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:56:36,273 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:36,275 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:36,628 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:36,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:56:36,880 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 20:56:36,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:36 BoogieIcfgContainer [2023-12-02 20:56:36,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:56:36,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:56:36,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:56:36,894 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:56:36,894 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:36" (1/1) ... [2023-12-02 20:56:36,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-12-02 20:56:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-12-02 20:56:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:56:36,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:56:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:37,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:56:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:37,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:56:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:37,089 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 20:56:37,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:56:37 ImpRootNode [2023-12-02 20:56:37,107 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:56:37,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:56:37,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:56:37,108 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:56:37,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:36" (3/4) ... [2023-12-02 20:56:37,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:56:37,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:56:37,113 INFO L158 Benchmark]: Toolchain (without parser) took 1403.48ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 91.0MB in the beginning and 97.2MB in the end (delta: -6.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,113 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:37,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.12ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 75.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.80ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 73.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,115 INFO L158 Benchmark]: Boogie Preprocessor took 34.72ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,116 INFO L158 Benchmark]: RCFGBuilder took 759.13ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 71.7MB in the beginning and 108.8MB in the end (delta: -37.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,117 INFO L158 Benchmark]: CodeCheck took 223.79ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 97.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 20:56:37,117 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 165.7MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:37,120 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, 51 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: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 < 1.39843f) 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 0.22ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.12ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 75.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.80ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 73.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.72ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.13ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 71.7MB in the beginning and 108.8MB in the end (delta: -37.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * CodeCheck took 223.79ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 97.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 165.7MB. Free memory is still 97.2MB. 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 20:56:37,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:39,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:39,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:56:39,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:39,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:39,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:39,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:39,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:39,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:39,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:39,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:39,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:39,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:39,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:39,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:39,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:39,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:56:39,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:56:39,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:56:39,202 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:39,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:39,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:39,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:39,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:39,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:39,205 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:39,205 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:39,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:39,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:39,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:39,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:39,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:39,208 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:56:39,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:39,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:39,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:56:39,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:39,209 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 [2023-12-02 20:56:39,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:39,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:39,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:39,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:39,513 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:39,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-12-02 20:56:42,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:42,514 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:42,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-12-02 20:56:42,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/37350a300/47d1a99193c24da4bfc8b6cf31242a13/FLAG94223253f [2023-12-02 20:56:42,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/data/37350a300/47d1a99193c24da4bfc8b6cf31242a13 [2023-12-02 20:56:42,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:42,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:42,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:42,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:42,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:42,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aafd5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42, skipping insertion in model container [2023-12-02 20:56:42,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:42,774 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-12-02 20:56:42,780 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-12-02 20:56:42,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:42,841 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:42,858 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-12-02 20:56:42,860 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_cfb2156d-0761-4dd1-a575-96e3eb534a6a/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-12-02 20:56:42,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:42,908 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:42,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42 WrapperNode [2023-12-02 20:56:42,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:42,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:42,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:42,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:42,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,958 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-12-02 20:56:42,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:42,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:42,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:42,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:42,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:42,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:43,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:43,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:43,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:43,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:42" (1/1) ... [2023-12-02 20:56:43,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:43,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:43,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:56:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 20:56:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 20:56:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:56:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:56:43,165 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:43,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:53,685 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:53,796 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:56:53,797 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 20:56:53,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:53 BoogieIcfgContainer [2023-12-02 20:56:53,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:56:53,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:56:53,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:56:53,807 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:56:53,807 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:53" (1/1) ... [2023-12-02 20:56:53,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-12-02 20:56:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-12-02 20:56:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:56:53,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:53,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:53,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:53,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb2156d-0761-4dd1-a575-96e3eb534a6a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:56:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:56:57,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:57:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat