./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi --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 d7de1912562331bdeed36a798c63b43e65b83b24670be96e9199704df5bd448b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:01,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:01,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:06:01,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:01,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:01,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:01,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:01,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:01,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:01,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:01,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:01,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:01,840 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:01,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:01,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:01,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:01,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:01,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:01,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:01,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:01,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:01,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:01,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:01,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:01,848 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:01,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:01,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:01,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:01,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:01,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:01,852 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:01,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:01,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:01,854 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7de1912562331bdeed36a798c63b43e65b83b24670be96e9199704df5bd448b [2023-11-24 23:06:02,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:02,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:02,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:02,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:02,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:02,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c [2023-11-24 23:06:05,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:05,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:05,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c [2023-11-24 23:06:05,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/cd856eebb/cd0a637df53e461292feb9c66facc2af/FLAG5915525f4 [2023-11-24 23:06:05,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/cd856eebb/cd0a637df53e461292feb9c66facc2af [2023-11-24 23:06:05,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:05,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:05,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:05,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:05,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:05,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e84ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:05, skipping insertion in model container [2023-11-24 23:06:05,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:06,180 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[1999,2012] [2023-11-24 23:06:06,189 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[2368,2381] [2023-11-24 23:06:06,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:06,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:06,272 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[1999,2012] [2023-11-24 23:06:06,274 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[2368,2381] [2023-11-24 23:06:06,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:06,333 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:06,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06 WrapperNode [2023-11-24 23:06:06,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:06,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:06,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:06,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:06,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,402 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 23:06:06,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:06,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:06,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:06,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:06,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:06,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:06,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:06,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:06,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:06" (1/1) ... [2023-11-24 23:06:06,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:06,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:06,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 23:06:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 23:06:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:06:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:06:06,670 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:06,672 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:07,131 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:07,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:07,431 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:07,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:07 BoogieIcfgContainer [2023-11-24 23:06:07,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:07,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:07,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:07,452 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:07,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:07" (1/1) ... [2023-11-24 23:06:07,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 23:06:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 23:06:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:07,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:07,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:07,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:07,886 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:06:07,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:07 ImpRootNode [2023-11-24 23:06:07,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:07,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:07,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:07,924 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:07,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:07" (3/4) ... [2023-11-24 23:06:07,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:06:07,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:07,932 INFO L158 Benchmark]: Toolchain (without parser) took 2079.39ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 81.8MB in the beginning and 118.7MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:07,933 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:07,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.21ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 88.2MB in the end (delta: -6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.12ms. Allocated memory is still 125.8MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,937 INFO L158 Benchmark]: Boogie Preprocessor took 42.60ms. Allocated memory is still 125.8MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,939 INFO L158 Benchmark]: RCFGBuilder took 986.69ms. Allocated memory is still 125.8MB. Free memory was 84.0MB in the beginning and 42.6MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,940 INFO L158 Benchmark]: CodeCheck took 484.02ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 119.7MB in the end (delta: -77.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:07,941 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 118.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) 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 0.35ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.21ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 88.2MB in the end (delta: -6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.12ms. Allocated memory is still 125.8MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.60ms. Allocated memory is still 125.8MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 986.69ms. Allocated memory is still 125.8MB. Free memory was 84.0MB in the beginning and 42.6MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 484.02ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 119.7MB in the end (delta: -77.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 118.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:06:07,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi --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 d7de1912562331bdeed36a798c63b43e65b83b24670be96e9199704df5bd448b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:11,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:11,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:06:11,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:11,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:11,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:11,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:11,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:11,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:11,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:11,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:11,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:11,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:11,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:11,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:11,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:11,501 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:06:11,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:06:11,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:06:11,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:11,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:11,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:11,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:11,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:11,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:11,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:11,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:11,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:11,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:11,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:11,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:11,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:11,513 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:06:11,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:11,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:11,514 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:06:11,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:11,515 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7de1912562331bdeed36a798c63b43e65b83b24670be96e9199704df5bd448b [2023-11-24 23:06:12,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:12,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:12,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:12,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:12,093 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:12,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c [2023-11-24 23:06:15,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:16,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:16,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c [2023-11-24 23:06:16,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/f909c8d29/703d76ee65974009801a055e9e17f259/FLAG1246612ac [2023-11-24 23:06:16,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/data/f909c8d29/703d76ee65974009801a055e9e17f259 [2023-11-24 23:06:16,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:16,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:16,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:16,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:16,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:16,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1759b7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16, skipping insertion in model container [2023-11-24 23:06:16,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:16,683 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[1999,2012] [2023-11-24 23:06:16,694 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[2368,2381] [2023-11-24 23:06:16,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:16,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:16,862 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[1999,2012] [2023-11-24 23:06:16,870 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_16a7c647-4c7e-4dd9-bcce-bd73009c1129/sv-benchmarks/c/combinations/square_3+soft_float_2a.c.cil.c[2368,2381] [2023-11-24 23:06:16,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:16,936 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:16,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16 WrapperNode [2023-11-24 23:06:16,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:16,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:16,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:16,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:16,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,034 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 23:06:17,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:17,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:17,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:17,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:17,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:17,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:17,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:17,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:17,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:17,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:17,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:06:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 23:06:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 23:06:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:06:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:06:17,456 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:17,461 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:28,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:28,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:28,319 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:28,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:28 BoogieIcfgContainer [2023-11-24 23:06:28,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:28,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:28,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:28,335 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:28,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:28" (1/1) ... [2023-11-24 23:06:28,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 23:06:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 23:06:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:28,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:28,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:28,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a7c647-4c7e-4dd9-bcce-bd73009c1129/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:06:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:33,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat