./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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 aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:23,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:23,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:23,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:23,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:23,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:23,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:23,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:23,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:23,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:23,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:23,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:23,995 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:23,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:23,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:23,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:23,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:23,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:23,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:23,998 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:23,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:24,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:24,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:24,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:24,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:24,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:24,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:24,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:24,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:24,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:24,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:24,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:24,010 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:24,011 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 [2023-11-24 22:52:24,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:24,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:24,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:24,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:24,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:24,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-11-24 22:52:27,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:27,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:27,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-11-24 22:52:27,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/6a1fb22ff/4695a01daeea4bbea7fa6c724dae4f38/FLAGa79b2b47b [2023-11-24 22:52:27,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/6a1fb22ff/4695a01daeea4bbea7fa6c724dae4f38 [2023-11-24 22:52:27,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:27,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:27,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:27,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:27,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:27,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320c8c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27, skipping insertion in model container [2023-11-24 22:52:27,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:28,034 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-11-24 22:52:28,040 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-11-24 22:52:28,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:28,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:28,126 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-11-24 22:52:28,128 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-11-24 22:52:28,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:28,184 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:28,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28 WrapperNode [2023-11-24 22:52:28,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:28,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:28,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:28,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:28,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,237 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:52:28,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:28,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:28,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:28,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:28,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:28,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:28,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:28,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:28,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:28,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:28,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:52:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:52:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:52:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:52:28,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:28,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:29,028 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:29,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:29,320 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:52:29,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:29 BoogieIcfgContainer [2023-11-24 22:52:29,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:29,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:29,327 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:29,342 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:29,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:29" (1/1) ... [2023-11-24 22:52:29,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:52:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:52:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:52:29,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:29,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:29,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:29,585 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:52:29,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:29 ImpRootNode [2023-11-24 22:52:29,609 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:29,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:29,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:29,610 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:29,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:29" (3/4) ... [2023-11-24 22:52:29,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:52:29,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:29,616 INFO L158 Benchmark]: Toolchain (without parser) took 1798.97ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 119.1MB in the end (delta: -467.1kB). Peak memory consumption was 792.2kB. Max. memory is 16.1GB. [2023-11-24 22:52:29,616 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:29,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.06ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.16ms. Allocated memory is still 165.7MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,619 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,620 INFO L158 Benchmark]: RCFGBuilder took 1040.94ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 130.6MB in the end (delta: -30.2MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,620 INFO L158 Benchmark]: CodeCheck took 282.74ms. Allocated memory is still 165.7MB. Free memory was 130.6MB in the beginning and 119.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,621 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 165.7MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:29,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) 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 0.30ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.06ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.16ms. Allocated memory is still 165.7MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1040.94ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 130.6MB in the end (delta: -30.2MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * CodeCheck took 282.74ms. Allocated memory is still 165.7MB. Free memory was 130.6MB in the beginning and 119.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 165.7MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:52:29,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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 aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:32,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:32,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:52:32,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:32,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:32,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:32,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:32,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:32,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:32,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:32,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:32,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:32,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:32,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:32,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:32,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:32,379 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:32,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:32,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:32,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:32,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:32,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:32,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:32,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:32,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:32,383 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:32,383 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:32,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:32,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:32,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:32,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:32,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:32,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:32,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:32,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:32,387 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:32,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:32,388 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 [2023-11-24 22:52:32,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:32,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:32,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:32,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:32,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:32,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-11-24 22:52:36,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:36,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:36,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-11-24 22:52:36,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/07cf9539d/12d61887454c4080815a2c5c26f827eb/FLAGd81bf9443 [2023-11-24 22:52:36,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/data/07cf9539d/12d61887454c4080815a2c5c26f827eb [2023-11-24 22:52:36,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:36,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:36,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:36,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:36,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:36,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ef7dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36, skipping insertion in model container [2023-11-24 22:52:36,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:36,547 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-11-24 22:52:36,556 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-11-24 22:52:36,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:36,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:36,654 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-11-24 22:52:36,656 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_9185c535-4d52-42b9-9d2a-ab526fca4d0c/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-11-24 22:52:36,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:36,701 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:36,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36 WrapperNode [2023-11-24 22:52:36,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:36,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:36,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:36,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:36,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,752 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:52:36,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:36,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:36,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:36,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:36,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:36,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:36,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:36,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:36,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:36,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:36,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:36,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:52:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:52:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:52:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:52:37,033 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:37,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:47,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:47,828 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:47,828 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:52:47,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:47 BoogieIcfgContainer [2023-11-24 22:52:47,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:47,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:47,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:47,842 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:47,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:52:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:52:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:52:47,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:47,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:47,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9185c535-4d52-42b9-9d2a-ab526fca4d0c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process