./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:20:51,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:20:51,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:20:51,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:20:51,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:20:51,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:20:51,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:20:51,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:20:51,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:20:51,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:20:51,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:20:51,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:20:51,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:20:51,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:20:51,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:20:51,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:20:51,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:20:51,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:20:51,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:20:51,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:20:51,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:20:51,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:20:51,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:20:51,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:20:51,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:20:51,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:20:51,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:51,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:20:51,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:20:51,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:20:51,844 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:20:51,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:20:51,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:20:51,845 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-12-03 00:20:52,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:20:52,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:20:52,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:20:52,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:20:52,112 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:20:52,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-12-03 00:20:54,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:20:55,062 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:20:55,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-12-03 00:20:55,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/6e53fb85a/ac0275f7c460422db6d00d2f07a4ce5d/FLAGd378743d5 [2023-12-03 00:20:55,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/6e53fb85a/ac0275f7c460422db6d00d2f07a4ce5d [2023-12-03 00:20:55,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:20:55,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:20:55,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:20:55,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:20:55,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:20:55,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6ef64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55, skipping insertion in model container [2023-12-03 00:20:55,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:20:55,291 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-12-03 00:20:55,296 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-12-03 00:20:55,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:20:55,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:20:55,369 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-12-03 00:20:55,371 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-12-03 00:20:55,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:20:55,419 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:20:55,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55 WrapperNode [2023-12-03 00:20:55,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:20:55,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:55,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:20:55,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:20:55,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,465 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-12-03 00:20:55,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:55,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:20:55,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:20:55,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:20:55,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:20:55,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:20:55,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:20:55,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:20:55,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:55" (1/1) ... [2023-12-03 00:20:55,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:55,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:20:55,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:20:55,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:20:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:20:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 00:20:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 00:20:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:20:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:20:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:20:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:20:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:20:55,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:20:55,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:20:56,025 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:20:56,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:20:56,208 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:20:56,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:56 BoogieIcfgContainer [2023-12-03 00:20:56,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:20:56,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:20:56,211 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:20:56,221 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:20:56,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:56" (1/1) ... [2023-12-03 00:20:56,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:20:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-12-03 00:20:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-12-03 00:20:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:20:56,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:20:56,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:20:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:20:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:20:56,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:20:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:20:56,428 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:20:56,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:20:56 ImpRootNode [2023-12-03 00:20:56,449 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:20:56,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:20:56,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:20:56,450 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:20:56,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:56" (3/4) ... [2023-12-03 00:20:56,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:20:56,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:20:56,454 INFO L158 Benchmark]: Toolchain (without parser) took 1361.63ms. Allocated memory is still 184.5MB. Free memory was 145.9MB in the beginning and 110.2MB in the end (delta: 35.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,455 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:20:56,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.97ms. Allocated memory is still 184.5MB. Free memory was 145.4MB in the beginning and 130.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 184.5MB. Free memory was 130.6MB in the beginning and 128.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,457 INFO L158 Benchmark]: Boogie Preprocessor took 34.59ms. Allocated memory is still 184.5MB. Free memory was 128.2MB in the beginning and 126.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,457 INFO L158 Benchmark]: RCFGBuilder took 708.23ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 121.8MB in the end (delta: 4.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,458 INFO L158 Benchmark]: CodeCheck took 237.96ms. Allocated memory is still 184.5MB. Free memory was 121.8MB in the beginning and 110.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:20:56,458 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 184.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:20:56,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.97ms. Allocated memory is still 184.5MB. Free memory was 145.4MB in the beginning and 130.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 184.5MB. Free memory was 130.6MB in the beginning and 128.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.59ms. Allocated memory is still 184.5MB. Free memory was 128.2MB in the beginning and 126.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.23ms. Allocated memory is still 184.5MB. Free memory was 126.5MB in the beginning and 121.8MB in the end (delta: 4.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * CodeCheck took 237.96ms. Allocated memory is still 184.5MB. Free memory was 121.8MB in the beginning and 110.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 184.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:20:56,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:20:58,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:20:58,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:20:58,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:20:58,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:20:58,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:20:58,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:20:58,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:20:58,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:20:58,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:20:58,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:20:58,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:20:58,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:20:58,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:20:58,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:20:58,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:20:58,426 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:20:58,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:20:58,427 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:20:58,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:20:58,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:20:58,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:20:58,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:20:58,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:20:58,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:20:58,438 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:58,438 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:20:58,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:20:58,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:58,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:20:58,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:20:58,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:20:58,441 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:20:58,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:58,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:20:58,441 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:20:58,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:20:58,442 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-12-03 00:20:58,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:20:58,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:20:58,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:20:58,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:20:58,764 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:20:58,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-12-03 00:21:01,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:21:01,805 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:21:01,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-12-03 00:21:01,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/f4476aa7b/927215cc2ca340b3bbeb9753624bab00/FLAG96bb82b02 [2023-12-03 00:21:01,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/data/f4476aa7b/927215cc2ca340b3bbeb9753624bab00 [2023-12-03 00:21:01,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:21:01,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:21:01,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:01,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:21:01,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:21:01,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:01" (1/1) ... [2023-12-03 00:21:01,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34336b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:01, skipping insertion in model container [2023-12-03 00:21:01,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:01" (1/1) ... [2023-12-03 00:21:01,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:21:02,015 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-12-03 00:21:02,021 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-12-03 00:21:02,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:02,084 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:21:02,099 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-12-03 00:21:02,101 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_eb4dce60-c0cf-406c-b8cb-244c0c255f45/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-12-03 00:21:02,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:02,154 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:21:02,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02 WrapperNode [2023-12-03 00:21:02,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:02,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:02,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:21:02,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:21:02,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,201 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-12-03 00:21:02,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:02,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:21:02,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:21:02,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:21:02,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:21:02,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:21:02,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:21:02,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:21:02,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:02" (1/1) ... [2023-12-03 00:21:02,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:21:02,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:21:02,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:21:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:21:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:21:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 00:21:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 00:21:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:21:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:21:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:21:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:21:02,408 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:21:02,411 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:21:12,897 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:21:13,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:21:13,004 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:21:13,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:13 BoogieIcfgContainer [2023-12-03 00:21:13,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:21:13,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:21:13,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:21:13,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:21:13,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:13" (1/1) ... [2023-12-03 00:21:13,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:21:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-12-03 00:21:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-12-03 00:21:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:21:13,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:13,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:13,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:13,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:32:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:31,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:32:41,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:41,930 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) [2023-12-03 00:32:41,934 INFO L158 Benchmark]: Toolchain (without parser) took 700097.38ms. Allocated memory is still 102.8MB. Free memory was 78.7MB in the beginning and 70.9MB in the end (delta: 7.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-12-03 00:32:41,935 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:41,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.79ms. Allocated memory is still 102.8MB. Free memory was 78.7MB in the beginning and 63.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:32:41,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:32:41,936 INFO L158 Benchmark]: Boogie Preprocessor took 39.47ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:32:41,937 INFO L158 Benchmark]: RCFGBuilder took 10762.71ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 50.5MB in the end (delta: 8.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-12-03 00:32:41,937 INFO L158 Benchmark]: CodeCheck took 688926.46ms. Allocated memory is still 102.8MB. Free memory was 50.5MB in the beginning and 70.9MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:41,940 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 0.22ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.79ms. Allocated memory is still 102.8MB. Free memory was 78.7MB in the beginning and 63.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.47ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10762.71ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 50.5MB in the end (delta: 8.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * CodeCheck took 688926.46ms. Allocated memory is still 102.8MB. Free memory was 50.5MB in the beginning and 70.9MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:32:42,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4dce60-c0cf-406c-b8cb-244c0c255f45/bin/ukojak-verify-Qdu7aM0XO9/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