./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.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_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/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_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/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_a285512b-65de-4e1c-91c3-91b5662bb7da/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 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:52,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:52,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:15:52,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:52,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:52,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:52,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:52,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:52,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:52,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:52,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:52,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:52,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:15:52,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:52,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:15:52,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:52,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:52,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:52,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:52,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:15:52,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:52,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:52,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:52,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:52,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:52,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:52,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:52,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:52,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:52,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:52,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:52,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:52,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:52,600 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_a285512b-65de-4e1c-91c3-91b5662bb7da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 [2023-12-02 21:15:52,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:52,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:52,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:52,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:52,843 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:52,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-12-02 21:15:55,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:15:55,741 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:15:55,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-12-02 21:15:55,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/b84324571/40533cf2197846a1b690385039b85082/FLAGa25cef878 [2023-12-02 21:15:55,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/b84324571/40533cf2197846a1b690385039b85082 [2023-12-02 21:15:55,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:15:55,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:15:55,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:55,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:15:55,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:15:55,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:55" (1/1) ... [2023-12-02 21:15:55,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686bcf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:55, skipping insertion in model container [2023-12-02 21:15:55,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:55" (1/1) ... [2023-12-02 21:15:55,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:15:55,974 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-12-02 21:15:55,980 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-12-02 21:15:56,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:56,037 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:15:56,053 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-12-02 21:15:56,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-12-02 21:15:56,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:56,094 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:15:56,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56 WrapperNode [2023-12-02 21:15:56,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:56,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:56,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:15:56,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:15:56,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,139 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2023-12-02 21:15:56,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:56,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:15:56,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:15:56,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:15:56,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:15:56,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:15:56,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:15:56,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:15:56,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:56,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:15:56,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:15:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:15:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 21:15:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 21:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:15:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:15:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:15:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:15:56,325 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:15:56,327 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:15:56,693 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:15:56,930 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:15:56,931 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:15:56,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:56 BoogieIcfgContainer [2023-12-02 21:15:56,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:15:56,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:15:56,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:15:56,945 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:15:56,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:15:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:15:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-12-02 21:15:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-12-02 21:15:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:15:57,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:15:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:15:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:15:57,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:15:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:15:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:15:57,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:15:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:15:57,174 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:15:57,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:15:57 ImpRootNode [2023-12-02 21:15:57,197 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:15:57,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:15:57,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:15:57,199 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:15:57,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:56" (3/4) ... [2023-12-02 21:15:57,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:15:57,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:15:57,204 INFO L158 Benchmark]: Toolchain (without parser) took 1438.21ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 103.7MB in the beginning and 127.7MB in the end (delta: -24.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,205 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:15:57,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.79ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 88.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.25ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,207 INFO L158 Benchmark]: Boogie Preprocessor took 36.52ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 84.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,208 INFO L158 Benchmark]: RCFGBuilder took 755.61ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 84.4MB in the beginning and 139.2MB in the end (delta: -54.8MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,208 INFO L158 Benchmark]: CodeCheck took 264.05ms. Allocated memory is still 190.8MB. Free memory was 139.2MB in the beginning and 127.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:15:57,209 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 190.8MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:15:57,212 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, 53 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: [L402] COND TRUE __VERIFIER_nondet_int() [L403] 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 < 1.39844f) 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 0.19ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.79ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 88.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.25ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.52ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 84.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 755.61ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 84.4MB in the beginning and 139.2MB in the end (delta: -54.8MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * CodeCheck took 264.05ms. Allocated memory is still 190.8MB. Free memory was 139.2MB in the beginning and 127.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 190.8MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:15:57,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/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_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/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_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/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_a285512b-65de-4e1c-91c3-91b5662bb7da/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 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:59,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:59,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:15:59,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:59,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:59,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:59,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:59,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:59,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:59,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:59,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:15:59,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:15:59,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:59,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:59,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:59,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:59,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:15:59,394 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:15:59,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:15:59,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:15:59,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:59,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:59,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:59,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:59,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:59,399 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:15:59,399 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:15:59,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:59,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:59,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:59,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:59,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:59,402 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:15:59,402 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:15:59,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:59,403 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:15:59,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:15:59,403 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_a285512b-65de-4e1c-91c3-91b5662bb7da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 [2023-12-02 21:15:59,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:59,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:59,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:59,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:59,726 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:59,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-12-02 21:16:02,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:02,829 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:02,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-12-02 21:16:02,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/cbc9d910a/f7a78843fd544f49887676572612aaf9/FLAGd3ba10ed1 [2023-12-02 21:16:02,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/data/cbc9d910a/f7a78843fd544f49887676572612aaf9 [2023-12-02 21:16:02,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:02,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:02,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:02,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:02,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:02,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2785cdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:02, skipping insertion in model container [2023-12-02 21:16:02,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:03,076 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-12-02 21:16:03,083 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-12-02 21:16:03,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:03,145 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:03,162 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-12-02 21:16:03,164 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_a285512b-65de-4e1c-91c3-91b5662bb7da/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-12-02 21:16:03,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:03,214 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:03,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03 WrapperNode [2023-12-02 21:16:03,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:03,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:03,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:03,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:03,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,264 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-02 21:16:03,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:03,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:03,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:03,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:03,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:03,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:03,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:03,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:03,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:03,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:03,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:03,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:16:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 21:16:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 21:16:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:16:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:16:03,494 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:03,497 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:13,992 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:14,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:14,114 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:16:14,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:14 BoogieIcfgContainer [2023-12-02 21:16:14,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:14,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:14,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:14,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:14,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:14" (1/1) ... [2023-12-02 21:16:14,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-12-02 21:16:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-12-02 21:16:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:16:14,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:14,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:14,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:16:14,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:16:14,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a285512b-65de-4e1c-91c3-91b5662bb7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process