./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:28,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:28,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:34:28,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:28,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:28,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:28,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:28,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:28,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:28,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:28,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:28,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:28,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:28,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:28,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:28,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:28,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:28,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:28,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:28,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:28,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:28,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:28,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:28,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:28,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:28,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:28,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:28,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:28,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:28,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:28,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:28,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:28,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:28,665 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_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2023-11-19 03:34:28,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:28,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:28,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:28,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:28,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:28,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2023-11-19 03:34:32,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:32,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:32,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2023-11-19 03:34:32,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/2ccf52192/ebbb576713b845b79bd7ec914e1d69f9/FLAGb5c2b92fe [2023-11-19 03:34:32,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/2ccf52192/ebbb576713b845b79bd7ec914e1d69f9 [2023-11-19 03:34:32,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:32,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:32,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:32,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:32,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:32,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:32" (1/1) ... [2023-11-19 03:34:32,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495d6bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:32, skipping insertion in model container [2023-11-19 03:34:32,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:32" (1/1) ... [2023-11-19 03:34:32,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:33,047 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 03:34:33,054 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 03:34:33,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:33,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:33,152 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 03:34:33,154 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 03:34:33,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:33,230 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:33,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33 WrapperNode [2023-11-19 03:34:33,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:33,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:33,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:33,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:33,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,284 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-11-19 03:34:33,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:33,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:33,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:33,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:33,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:33,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:33,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:33,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:33,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:33" (1/1) ... [2023-11-19 03:34:33,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:33,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:33,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:34:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:34:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:33,516 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:33,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:34,012 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:34,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:34,315 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:34,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:34 BoogieIcfgContainer [2023-11-19 03:34:34,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:34,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:34,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:34,336 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:34,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:34" (1/1) ... [2023-11-19 03:34:34,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:34:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:34:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:34:34,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:34,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:34,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:34,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:34,647 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:34:34,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:34 ImpRootNode [2023-11-19 03:34:34,672 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:34,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:34,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:34,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:34,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:34" (3/4) ... [2023-11-19 03:34:34,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:34:34,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:34,682 INFO L158 Benchmark]: Toolchain (without parser) took 1867.54ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 84.3MB in the beginning and 94.6MB in the end (delta: -10.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,682 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:34,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.38ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 69.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.01ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 66.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,686 INFO L158 Benchmark]: Boogie Preprocessor took 43.72ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 65.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,687 INFO L158 Benchmark]: RCFGBuilder took 992.73ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 65.0MB in the beginning and 106.4MB in the end (delta: -41.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,688 INFO L158 Benchmark]: CodeCheck took 349.24ms. Allocated memory is still 169.9MB. Free memory was 106.4MB in the beginning and 94.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:34,688 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 169.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:34,700 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 < 1.5f) 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 0.38ms. Allocated memory is still 125.8MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.38ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 69.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.01ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 66.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.72ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 65.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 992.73ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 65.0MB in the beginning and 106.4MB in the end (delta: -41.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 349.24ms. Allocated memory is still 169.9MB. Free memory was 106.4MB in the beginning and 94.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 169.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:34:34,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/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_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:37,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:37,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:34:37,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:37,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:37,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:37,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:37,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:37,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:37,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:37,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:37,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:37,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:37,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:37,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:37,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:37,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:34:37,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:34:37,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:34:37,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:37,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:37,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:37,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:37,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:37,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:37,714 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:37,714 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:37,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:37,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:37,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:37,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:37,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:37,718 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:34:37,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:37,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:37,719 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:34:37,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:37,720 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_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2023-11-19 03:34:38,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:38,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:38,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:38,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:38,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:38,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2023-11-19 03:34:41,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:41,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:41,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2023-11-19 03:34:41,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/9dbf50f96/314b9a86dbdb4e129b49360c4276551d/FLAG5782a5c29 [2023-11-19 03:34:41,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/data/9dbf50f96/314b9a86dbdb4e129b49360c4276551d [2023-11-19 03:34:41,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:41,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:41,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:41,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:41,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:41,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:41" (1/1) ... [2023-11-19 03:34:41,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755dfa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:41, skipping insertion in model container [2023-11-19 03:34:41,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:41" (1/1) ... [2023-11-19 03:34:41,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:42,183 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 03:34:42,192 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 03:34:42,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:42,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:42,345 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 03:34:42,349 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_c90718d9-019f-4a0e-977d-1fa6dead5077/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 03:34:42,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:42,399 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:42,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42 WrapperNode [2023-11-19 03:34:42,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:42,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:42,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:42,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:42,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,479 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-19 03:34:42,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:42,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:42,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:42,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:42,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:42,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:42,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:42,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:42,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:42,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:42,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:42,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:34:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:34:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:34:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:42,857 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:42,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:53,678 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:53,856 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:53,856 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:53,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:53 BoogieIcfgContainer [2023-11-19 03:34:53,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:53,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:53,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:53,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:53,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:53" (1/1) ... [2023-11-19 03:34:53,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:34:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:34:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:34:53,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:53,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:34:53,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:34:53,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:34:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:59,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:35:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:35:10,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:35:10,045 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:10,049 INFO L158 Benchmark]: Toolchain (without parser) took 28128.86ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 57.7MB in the beginning and 65.4MB in the end (delta: -7.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,049 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:10,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.31ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 41.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.30ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 61.1MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,051 INFO L158 Benchmark]: Boogie Preprocessor took 114.34ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,051 INFO L158 Benchmark]: RCFGBuilder took 11251.12ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 73.8MB in the end (delta: -14.8MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,052 INFO L158 Benchmark]: CodeCheck took 16184.78ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 65.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:35:10,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.31ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 41.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.30ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 61.1MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.34ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11251.12ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 73.8MB in the end (delta: -14.8MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * CodeCheck took 16184.78ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 65.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:10,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90718d9-019f-4a0e-977d-1fa6dead5077/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown