./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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 f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:01,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:01,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:01,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:01,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:01,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:01,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:01,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:01,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:01,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:01,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:01,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:01,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:01,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:01,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:01,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:01,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:01,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:01,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:01,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:01,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:01,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:01,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:01,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:01,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:01,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:01,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:01,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:01,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:01,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:01,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:01,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:01,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:01,451 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-11-24 22:56:01,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:01,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:01,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:01,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:01,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:01,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-24 22:56:04,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:05,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:05,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-24 22:56:05,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/37d80530c/75d91c41665e4dccb64c76afd4841d3b/FLAGff931b6ec [2023-11-24 22:56:05,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/37d80530c/75d91c41665e4dccb64c76afd4841d3b [2023-11-24 22:56:05,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:05,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:05,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:05,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:05,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:05,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c3fcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05, skipping insertion in model container [2023-11-24 22:56:05,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:05,344 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-24 22:56:05,351 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-24 22:56:05,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:05,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:05,452 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-24 22:56:05,455 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-24 22:56:05,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:05,521 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:05,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05 WrapperNode [2023-11-24 22:56:05,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:05,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:05,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:05,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:05,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,580 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-11-24 22:56:05,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:05,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:05,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:05,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:05,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:05,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:05,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:05,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:05,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:05,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:05,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:05,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:05,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:56:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:56:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:05,866 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:05,869 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:06,431 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:06,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:06,818 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:06,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:06 BoogieIcfgContainer [2023-11-24 22:56:06,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:06,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:06,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:06,837 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:06,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-24 22:56:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-24 22:56:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:06,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:06,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:07,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:07,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:07,132 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:56:07,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:07 ImpRootNode [2023-11-24 22:56:07,159 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:07,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:07,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:07,163 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:07,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:06" (3/4) ... [2023-11-24 22:56:07,170 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:07,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:07,174 INFO L158 Benchmark]: Toolchain (without parser) took 2075.94ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 100.2MB in the beginning and 112.0MB in the end (delta: -11.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,174 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:07,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.05ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 84.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.27ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,178 INFO L158 Benchmark]: Boogie Preprocessor took 54.32ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,179 INFO L158 Benchmark]: RCFGBuilder took 1184.55ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 80.3MB in the beginning and 123.5MB in the end (delta: -43.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,180 INFO L158 Benchmark]: CodeCheck took 336.23ms. Allocated memory is still 180.4MB. Free memory was 123.5MB in the beginning and 112.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,181 INFO L158 Benchmark]: Witness Printer took 10.71ms. Allocated memory is still 180.4MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:07,192 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: 0.3s, 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 < 1.4f) 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 0.33ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.05ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 84.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.27ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.32ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.55ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 80.3MB in the beginning and 123.5MB in the end (delta: -43.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * CodeCheck took 336.23ms. Allocated memory is still 180.4MB. Free memory was 123.5MB in the beginning and 112.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 10.71ms. Allocated memory is still 180.4MB. Free memory is still 112.0MB. 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 22:56:07,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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 f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:10,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:10,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:10,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:10,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:10,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:10,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:10,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:10,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:10,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:10,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:10,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:10,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:10,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:10,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:10,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:10,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:10,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:10,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:10,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:10,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:10,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:10,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:10,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:10,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:10,392 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:10,393 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:10,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:10,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:10,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:10,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:10,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:10,396 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:10,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:10,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:10,397 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:10,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:10,398 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-11-24 22:56:10,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:10,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:10,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:10,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:10,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:10,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-24 22:56:13,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:14,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:14,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-24 22:56:14,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/c4e922a48/13c6e7d804a34c8ea859d2cfd4f76460/FLAG53dc84734 [2023-11-24 22:56:14,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/data/c4e922a48/13c6e7d804a34c8ea859d2cfd4f76460 [2023-11-24 22:56:14,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:14,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:14,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:14,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:14,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:14,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250dae5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14, skipping insertion in model container [2023-11-24 22:56:14,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:14,508 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-24 22:56:14,514 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-24 22:56:14,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:14,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:14,635 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-24 22:56:14,636 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_89d34489-5eae-4d8c-82c3-54333ebe5bd1/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-24 22:56:14,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:14,703 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:14,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14 WrapperNode [2023-11-24 22:56:14,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:14,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:14,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:14,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:14,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,774 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-24 22:56:14,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:14,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:14,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:14,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:14,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:14,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:14,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:14,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:14,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:14,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:14,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:56:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:56:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:15,086 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:15,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:25,801 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:25,918 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:25,918 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:25,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:25 BoogieIcfgContainer [2023-11-24 22:56:25,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:25,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:25,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:25,933 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:25,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-24 22:56:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-24 22:56:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:26,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:26,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:26,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:26,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d34489-5eae-4d8c-82c3-54333ebe5bd1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process