./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:59:20,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:21,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:21,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:21,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:21,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:21,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:21,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:21,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:21,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:21,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:21,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:21,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:21,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:21,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:21,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:21,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:21,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:21,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:21,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:21,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:21,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:21,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:21,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:21,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:21,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:21,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:21,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:21,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:21,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:21,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:21,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:21,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:21,141 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 [2023-11-19 03:59:21,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:21,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:21,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:21,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:21,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:21,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-11-19 03:59:24,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:24,835 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:24,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-11-19 03:59:24,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/7c0ea3348/0d4e3894ec064d68901f7a7c339e14cb/FLAG627d0751e [2023-11-19 03:59:24,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/7c0ea3348/0d4e3894ec064d68901f7a7c339e14cb [2023-11-19 03:59:24,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:24,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:24,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:24,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:24,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:24,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:24" (1/1) ... [2023-11-19 03:59:24,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487e165f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:24, skipping insertion in model container [2023-11-19 03:59:24,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:24" (1/1) ... [2023-11-19 03:59:24,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:25,091 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-11-19 03:59:25,097 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-11-19 03:59:25,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:25,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:25,201 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-11-19 03:59:25,206 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-11-19 03:59:25,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:25,284 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:25,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25 WrapperNode [2023-11-19 03:59:25,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:25,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:25,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:25,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:25,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,352 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-11-19 03:59:25,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:25,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:25,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:25,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:25,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:25,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:25,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:25,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:25,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:25" (1/1) ... [2023-11-19 03:59:25,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:25,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:25,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:25,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:59:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:59:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:59:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:59:25,538 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:25,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:26,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:26,382 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:26,383 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:59:26,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:26 BoogieIcfgContainer [2023-11-19 03:59:26,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:26,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:26,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:26,399 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:26,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:26" (1/1) ... [2023-11-19 03:59:26,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:59:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:59:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:26,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:26,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:26,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:26,675 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:59:26,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:59:26 ImpRootNode [2023-11-19 03:59:26,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:59:26,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:59:26,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:59:26,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:59:26,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:26" (3/4) ... [2023-11-19 03:59:26,705 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:59:26,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:59:26,708 INFO L158 Benchmark]: Toolchain (without parser) took 1843.06ms. Allocated memory is still 180.4MB. Free memory was 136.5MB in the beginning and 96.7MB in the end (delta: 39.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,709 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:26,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.84ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 121.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.71ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,711 INFO L158 Benchmark]: Boogie Preprocessor took 38.80ms. Allocated memory is still 180.4MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,713 INFO L158 Benchmark]: RCFGBuilder took 995.35ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 108.3MB in the end (delta: 8.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,714 INFO L158 Benchmark]: CodeCheck took 309.21ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 96.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:59:26,714 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 180.4MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:26,724 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 0.32ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.84ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 121.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.71ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.80ms. Allocated memory is still 180.4MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 995.35ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 108.3MB in the end (delta: 8.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * CodeCheck took 309.21ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 96.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 180.4MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:59:26,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:59:29,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:29,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:59:29,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:29,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:29,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:29,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:29,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:29,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:29,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:29,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:29,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:29,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:29,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:29,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:29,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:29,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:59:29,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:59:29,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:59:29,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:29,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:29,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:29,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:29,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:29,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:29,590 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:29,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:29,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:29,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:29,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:29,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:29,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:29,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:59:29,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:29,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:29,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:59:29,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:29,595 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266a58712a9e3b3c15bc4c8023b36b45db38173e85b035c92eb7b44ae9d55916 [2023-11-19 03:59:30,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:30,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:30,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:30,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:30,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:30,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-11-19 03:59:33,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:33,699 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:33,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c [2023-11-19 03:59:33,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/54aea90e5/d77414103ca841569fd747a38b2928d7/FLAG91693fac4 [2023-11-19 03:59:33,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/data/54aea90e5/d77414103ca841569fd747a38b2928d7 [2023-11-19 03:59:33,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:33,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:33,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:33,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:33,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:33,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9a09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33, skipping insertion in model container [2023-11-19 03:59:33,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:33,994 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-11-19 03:59:34,002 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-11-19 03:59:34,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:34,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:34,128 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[1999,2012] [2023-11-19 03:59:34,130 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_86422424-3f2c-4df9-a8c9-78da1cd9d62b/sv-benchmarks/c/combinations/square_3+soft_float_1-2a.c.cil.c[2393,2406] [2023-11-19 03:59:34,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:34,219 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:34,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34 WrapperNode [2023-11-19 03:59:34,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:34,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:34,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:34,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:34,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,306 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-19 03:59:34,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:34,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:34,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:34,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:34,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:34,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:34,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:34,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:34,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:34,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:34,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:34,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:59:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:59:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:59:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:59:34,555 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:34,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:45,286 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:45,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:45,441 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:59:45,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:45 BoogieIcfgContainer [2023-11-19 03:59:45,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:45,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:45,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:45,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:45,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:59:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:59:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:45,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:45,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:45,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:45,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86422424-3f2c-4df9-a8c9-78da1cd9d62b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:59:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:49,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat