./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.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_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:12,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:12,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:12,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:12,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:13,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:13,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:13,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:13,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:13,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:13,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:13,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:13,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:13,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:13,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:13,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:13,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:13,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:13,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:13,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:13,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:13,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:13,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:13,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:13,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:13,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:13,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:13,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:13,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:13,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:13,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:13,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:13,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:13,037 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2023-11-24 23:11:13,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:13,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:13,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:13,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:13,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:13,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-11-24 23:11:17,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:17,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:17,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-11-24 23:11:17,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/2ca23e86b/af3b80d659524373a88c1e8a0b7e52b0/FLAG29f5d8a8f [2023-11-24 23:11:17,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/2ca23e86b/af3b80d659524373a88c1e8a0b7e52b0 [2023-11-24 23:11:17,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:17,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:17,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:17,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:17,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:17,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4bc0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17, skipping insertion in model container [2023-11-24 23:11:17,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:17,832 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-11-24 23:11:17,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:17,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:17,876 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-11-24 23:11:17,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:17,898 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:17,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17 WrapperNode [2023-11-24 23:11:17,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:17,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:17,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:17,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:17,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,941 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2023-11-24 23:11:17,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:17,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:17,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:17,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:17,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:17,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:17,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:17,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:17,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:17" (1/1) ... [2023-11-24 23:11:17,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:17,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:18,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:18,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:18,127 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:18,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:18,280 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:18,325 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:18,325 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:11:18,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:18 BoogieIcfgContainer [2023-11-24 23:11:18,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:18,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:18,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:18,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:18,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:18" (1/1) ... [2023-11-24 23:11:18,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-24 23:11:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-24 23:11:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:18,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-24 23:11:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-24 23:11:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:18,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-24 23:11:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 23:11:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:19,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:19,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:19,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:19,321 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:11:19,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:19 ImpRootNode [2023-11-24 23:11:19,376 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:19,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:19,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:19,377 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:19,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:18" (3/4) ... [2023-11-24 23:11:19,381 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:11:19,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:19,383 INFO L158 Benchmark]: Toolchain (without parser) took 1818.23ms. Allocated memory is still 165.7MB. Free memory was 136.1MB in the beginning and 82.6MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,384 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:19,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 165.7MB. Free memory was 136.1MB in the beginning and 124.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.69ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,386 INFO L158 Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,387 INFO L158 Benchmark]: RCFGBuilder took 355.11ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 109.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,388 INFO L158 Benchmark]: CodeCheck took 1048.42ms. Allocated memory is still 165.7MB. Free memory was 109.8MB in the beginning and 83.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:11:19,389 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 165.7MB. Free memory was 83.2MB in the beginning and 82.6MB in the end (delta: 589.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:19,393 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 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 36 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 66]: 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 20, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L1] int __return_main; [L14] float main__X; [L15] float main__Y; [L16] float main__S; [L17] float main__R; [L18] float main__D; [L19] int main__i; [L20] main__Y = 0 [L21] main__i = 0 VAL [__return_main=0, main__i=0] [L23] COND TRUE main__i < 100000 [L25] main__X = __VERIFIER_nondet_float() [L26] main__D = __VERIFIER_nondet_float() [L27] int main____CPAchecker_TMP_0; VAL [__return_main=0, main__i=0] [L28] COND TRUE main__X >= -128.0 VAL [__return_main=0, main__i=0] [L30] COND TRUE main__X <= 128.0 [L32] main____CPAchecker_TMP_0 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L34] COND TRUE main____CPAchecker_TMP_0 != 0 [L36] int main____CPAchecker_TMP_1; VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L37] COND TRUE main__D >= 0.0 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L39] COND TRUE main__D <= 16.0 [L41] main____CPAchecker_TMP_1 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L43] COND TRUE main____CPAchecker_TMP_1 != 0 [L45] main__S = main__Y [L46] main__Y = main__X [L47] main__R = main__X - main__S [L48] COND TRUE main__R <= (-main__D) [L50] main__Y = main__S - main__D [L52] int main____CPAchecker_TMP_2; VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L53] COND FALSE !(main__Y >= -129.0) VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L79] main____CPAchecker_TMP_2 = 0 VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L60] int __tmp_1; [L61] __tmp_1 = main____CPAchecker_TMP_2 [L62] int __VERIFIER_assert__cond; [L63] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L64] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L66] reach_error() VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 165.7MB. Free memory was 136.1MB in the beginning and 124.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.69ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.65ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.11ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 109.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1048.42ms. Allocated memory is still 165.7MB. Free memory was 109.8MB in the beginning and 83.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 165.7MB. Free memory was 83.2MB in the beginning and 82.6MB in the end (delta: 589.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:11:19,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:22,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:22,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:11:22,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:22,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:22,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:22,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:22,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:22,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:22,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:22,847 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:22,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:22,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:22,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:22,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:22,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:22,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:11:22,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:11:22,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:11:22,853 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:22,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:22,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:22,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:22,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:22,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:22,857 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:22,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:22,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:22,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:22,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:22,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:22,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:22,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:11:22,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:22,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:22,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:11:22,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:22,863 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2023-11-24 23:11:23,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:23,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:23,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:23,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:23,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:23,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-11-24 23:11:27,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:27,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:27,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-11-24 23:11:27,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/ab5061721/e3dc2b9bd7c943a9a5c6b6a284dd62d7/FLAGd8061f181 [2023-11-24 23:11:27,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/data/ab5061721/e3dc2b9bd7c943a9a5c6b6a284dd62d7 [2023-11-24 23:11:27,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:27,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:27,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:27,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:27,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:27,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4157dae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27, skipping insertion in model container [2023-11-24 23:11:27,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:27,865 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-11-24 23:11:27,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:27,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:27,925 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_0b47912a-8595-4222-bca3-21c1eac4c6aa/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-11-24 23:11:27,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:27,947 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:27,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27 WrapperNode [2023-11-24 23:11:27,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:27,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:27,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:27,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:27,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,007 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2023-11-24 23:11:28,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:28,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:28,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:28,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:28,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:28,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:28,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:28,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:28,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:28,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:28,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:28,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:28,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:11:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:28,309 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:28,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:29,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:30,027 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:30,027 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:11:30,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:30 BoogieIcfgContainer [2023-11-24 23:11:30,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:30,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:30,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:30,045 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:30,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:30" (1/1) ... [2023-11-24 23:11:30,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-24 23:11:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-24 23:11:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:30,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:30,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:30,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:30,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:30,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:30,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:30,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:30,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:30,673 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:30,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 23:11:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 23:11:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:31,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:31,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:11:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:31,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:31,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:11:31,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:31,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-24 23:11:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-24 23:11:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:31,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:31,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:31,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:31,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b47912a-8595-4222-bca3-21c1eac4c6aa/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:11:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:32,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:33,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:33,844 INFO L285 TraceCheckSpWp]: Computing forward predicates...