./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:08,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:08,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:08,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:08,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:08,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:08,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:08,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:08,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:08,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:08,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:08,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:08,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:08,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:08,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:08,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:08,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:08,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:08,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:08,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:08,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:08,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:08,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:08,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:08,792 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:08,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:08,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:08,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:08,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:08,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:08,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:08,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:08,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:08,797 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2023-11-24 22:59:09,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:09,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:09,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:09,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:09,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:09,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2023-11-24 22:59:12,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:12,495 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:12,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2023-11-24 22:59:12,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/b7fa0e53f/5895eefcb4d24f8cb7ac97ecc0c2ec6a/FLAG443f68836 [2023-11-24 22:59:12,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/b7fa0e53f/5895eefcb4d24f8cb7ac97ecc0c2ec6a [2023-11-24 22:59:12,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:12,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:12,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:12,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:12,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:12,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc07131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12, skipping insertion in model container [2023-11-24 22:59:12,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:12,768 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2023-11-24 22:59:12,775 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2023-11-24 22:59:12,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:12,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:12,863 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2023-11-24 22:59:12,865 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2023-11-24 22:59:12,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:12,935 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:12,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12 WrapperNode [2023-11-24 22:59:12,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:12,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:12,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:12,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:12,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,994 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:59:12,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:12,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:12,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:12,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:13,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:13,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:13,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:13,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:13,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:13,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:13,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:13,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:59:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:59:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:59:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:59:13,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:13,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:13,784 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:14,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:14,074 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:59:14,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:14 BoogieIcfgContainer [2023-11-24 22:59:14,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:14,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:14,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:14,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:14,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:59:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:59:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:14,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:14,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:14,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:14,369 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:14,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:14 ImpRootNode [2023-11-24 22:59:14,405 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:14,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:14,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:14,409 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:14,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:14" (3/4) ... [2023-11-24 22:59:14,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:14,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:14,418 INFO L158 Benchmark]: Toolchain (without parser) took 1885.94ms. Allocated memory is still 165.7MB. Free memory was 122.1MB in the beginning and 92.6MB in the end (delta: 29.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-24 22:59:14,418 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:14,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.23ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 107.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:14,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.71ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:14,421 INFO L158 Benchmark]: Boogie Preprocessor took 41.07ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:14,422 INFO L158 Benchmark]: RCFGBuilder took 1038.83ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 104.7MB in the end (delta: -948.0kB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-24 22:59:14,423 INFO L158 Benchmark]: CodeCheck took 328.14ms. Allocated memory is still 165.7MB. Free memory was 104.7MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:59:14,424 INFO L158 Benchmark]: Witness Printer took 7.77ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 92.6MB in the end (delta: 759.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:14,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] 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 < 1.3985f) 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 0.28ms. Allocated memory is still 109.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.23ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 107.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.71ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.07ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1038.83ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 104.7MB in the end (delta: -948.0kB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 328.14ms. Allocated memory is still 165.7MB. Free memory was 104.7MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.77ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 92.6MB in the end (delta: 759.7kB). 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 22:59:14,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:17,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:17,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:59:17,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:17,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:17,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:17,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:17,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:17,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:17,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:17,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:17,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:17,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:17,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:17,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:17,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:17,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:17,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:17,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:17,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:17,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:17,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:17,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:17,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:17,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:17,379 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:17,380 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:17,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:17,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:17,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:17,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:17,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:17,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:17,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:17,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:17,384 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:17,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:17,384 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2023-11-24 22:59:17,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:17,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:17,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:17,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:17,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:17,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2023-11-24 22:59:20,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:21,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:21,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2023-11-24 22:59:21,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/0e188d2ad/a4cd8bc3c71a41a6ad44f2f5b36203cc/FLAG48a549dca [2023-11-24 22:59:21,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/data/0e188d2ad/a4cd8bc3c71a41a6ad44f2f5b36203cc [2023-11-24 22:59:21,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:21,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:21,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:21,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:21,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:21,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a411249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21, skipping insertion in model container [2023-11-24 22:59:21,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:21,490 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2023-11-24 22:59:21,496 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2023-11-24 22:59:21,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:21,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:21,562 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2023-11-24 22:59:21,563 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_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2023-11-24 22:59:21,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:21,617 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:21,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21 WrapperNode [2023-11-24 22:59:21,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:21,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:21,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:21,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:21,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,665 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:59:21,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:21,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:21,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:21,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:21,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:21,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:21,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:21,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:21,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:21,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:21,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:21,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:59:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:59:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:59:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:59:21,942 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:21,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:32,616 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:32,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:32,765 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:59:32,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:32 BoogieIcfgContainer [2023-11-24 22:59:32,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:32,769 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:32,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:32,778 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:32,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:59:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:59:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:32,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:32,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:32,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:32,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd1e11-edb2-47c6-9c78-945edc7a1df3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process