./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk --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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:27,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:27,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:14:27,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:14:27,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:14:27,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:27,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:27,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:27,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:27,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:27,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:27,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:27,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:14:27,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:14:27,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:14:27,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:27,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:27,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:27,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:27,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:27,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:14:27,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:27,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:27,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:27,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:27,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:27,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:27,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:27,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:27,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:27,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:27,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:14:27,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:14:27,182 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2024-11-08 23:14:27,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:27,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:27,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:27,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:27,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:27,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c Unable to find full path for "g++" [2024-11-08 23:14:29,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:29,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:29,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2024-11-08 23:14:29,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/c6b51f778/75d2ce5740e14454b96a080368d47e7c/FLAG6b81c4a99 [2024-11-08 23:14:29,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/c6b51f778/75d2ce5740e14454b96a080368d47e7c [2024-11-08 23:14:29,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:29,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:29,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:29,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:29,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:29,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a789fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29, skipping insertion in model container [2024-11-08 23:14:29,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:29,928 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2024-11-08 23:14:29,934 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2024-11-08 23:14:29,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:30,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:30,015 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2024-11-08 23:14:30,016 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2024-11-08 23:14:30,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:30,063 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:30,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30 WrapperNode [2024-11-08 23:14:30,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:30,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:30,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:30,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:30,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,106 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-11-08 23:14:30,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:30,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:30,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:30,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:30,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:30,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:30,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:30,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:30,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:30" (1/1) ... [2024-11-08 23:14:30,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:30,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:30,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-08 23:14:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-08 23:14:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:14:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:14:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:14:30,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:30,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:30,720 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:30,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:31,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:31,001 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:14:31,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:31 BoogieIcfgContainer [2024-11-08 23:14:31,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:31,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:31,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:31,016 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:31,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:31" (1/1) ... [2024-11-08 23:14:31,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-11-08 23:14:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-08 23:14:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:14:31,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:31,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:31,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:31,280 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:14:31,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:14:31 ImpRootNode [2024-11-08 23:14:31,302 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:14:31,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:14:31,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:14:31,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:14:31,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:31" (3/4) ... [2024-11-08 23:14:31,308 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:14:31,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:14:31,310 INFO L158 Benchmark]: Toolchain (without parser) took 1616.40ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 112.9MB in the beginning and 155.1MB in the end (delta: -42.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,311 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:31,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.87ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 96.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.05ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 94.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,314 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,315 INFO L158 Benchmark]: RCFGBuilder took 862.56ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 92.2MB in the beginning and 167.7MB in the end (delta: -75.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,315 INFO L158 Benchmark]: CodeCheck took 297.82ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 155.1MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:31,316 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 207.6MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:31,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] 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; [L47] COND TRUE !(result >= 0.0f && result < 1.39844f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.87ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 96.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.05ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 94.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.56ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 92.2MB in the beginning and 167.7MB in the end (delta: -75.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * CodeCheck took 297.82ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 155.1MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 207.6MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:14:31,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk --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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:33,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:33,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:14:33,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:33,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:33,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:33,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:33,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:33,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:33,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:33,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:14:33,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:14:33,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:33,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:33,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:33,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:33,865 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:14:33,865 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:14:33,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:33,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:14:33,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:14:33,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:33,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:33,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:33,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:33,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:33,869 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:33,870 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:14:33,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:33,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:33,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:33,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:33,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:33,872 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:14:33,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:33,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:14:33,873 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2024-11-08 23:14:34,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:34,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:34,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:34,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:34,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:34,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c Unable to find full path for "g++" [2024-11-08 23:14:36,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:36,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:36,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2024-11-08 23:14:36,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/f7d863962/2ea400ed92d441d6967a7ca39cc7d350/FLAG06acdc709 [2024-11-08 23:14:36,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/data/f7d863962/2ea400ed92d441d6967a7ca39cc7d350 [2024-11-08 23:14:36,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:36,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:36,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:36,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:36,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:36,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:36,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c33ac60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36, skipping insertion in model container [2024-11-08 23:14:36,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:36,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:36,827 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2024-11-08 23:14:36,836 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2024-11-08 23:14:36,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:36,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:36,954 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2024-11-08 23:14:36,955 WARN L250 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_c25a0f54-3833-4c40-aea1-38f12fd47c61/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2024-11-08 23:14:36,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:36,998 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:36,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36 WrapperNode [2024-11-08 23:14:36,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:37,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:37,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:37,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:37,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,054 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2024-11-08 23:14:37,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:37,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:37,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:37,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:37,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:37,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:37,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:37,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:37,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:36" (1/1) ... [2024-11-08 23:14:37,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:37,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:37,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:14:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-08 23:14:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-08 23:14:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:14:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:14:37,295 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:37,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:47,946 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:47,947 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:48,058 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:48,059 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:14:48,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:48 BoogieIcfgContainer [2024-11-08 23:14:48,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:48,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:48,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:48,071 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:48,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:48" (1/1) ... [2024-11-08 23:14:48,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-11-08 23:14:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-08 23:14:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:14:48,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:48,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:48,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:48,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:26:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:02,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:26:13,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:26:13,088 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:485) 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) [2024-11-08 23:26:13,092 INFO L158 Benchmark]: Toolchain (without parser) took 696576.22ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 47.2MB in the beginning and 60.7MB in the end (delta: -13.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-08 23:26:13,097 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:13,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.19ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 49.5MB in the end (delta: -2.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:26:13,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.07ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 47.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:13,100 INFO L158 Benchmark]: Boogie Preprocessor took 57.03ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 45.7MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:26:13,101 INFO L158 Benchmark]: RCFGBuilder took 10946.46ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.7MB in the beginning and 70.0MB in the end (delta: -24.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-08 23:26:13,101 INFO L158 Benchmark]: CodeCheck took 685030.85ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 60.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:26:13,105 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.19ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 49.5MB in the end (delta: -2.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.07ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 47.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.03ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 45.7MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10946.46ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.7MB in the beginning and 70.0MB in the end (delta: -24.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 685030.85ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 60.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:26:13,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25a0f54-3833-4c40-aea1-38f12fd47c61/bin/ukojak-verify-ImItNfHLgk/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown