./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.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_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/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_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/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_52785270-6043-4a49-875f-5b5f0c07a724/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 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:00,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:00,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:00,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:00,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:00,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:00,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:00,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:00,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:00,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:00,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:00,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:00,653 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:00,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:00,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:00,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:00,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:00,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:00,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:00,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:00,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:00,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:00,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:00,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:00,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:00,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:00,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:00,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:00,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:00,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:00,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:00,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:00,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:00,666 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_52785270-6043-4a49-875f-5b5f0c07a724/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 [2023-11-24 22:54:01,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:01,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:01,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:01,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:01,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:01,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-24 22:54:04,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:04,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:04,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-24 22:54:04,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/f8e17a97b/c4bad212d3e04d15b55fd0c8804d2e3a/FLAGfd51ba2ce [2023-11-24 22:54:04,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/f8e17a97b/c4bad212d3e04d15b55fd0c8804d2e3a [2023-11-24 22:54:04,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:04,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:04,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:04,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:04,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:04,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d71966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04, skipping insertion in model container [2023-11-24 22:54:04,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:04,734 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-24 22:54:04,743 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-24 22:54:04,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:04,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:04,855 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-24 22:54:04,857 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-24 22:54:04,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:04,911 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:04,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04 WrapperNode [2023-11-24 22:54:04,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:04,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:04,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:04,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:04,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,955 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-24 22:54:04,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:04,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:04,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:04,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:04,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:04,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:05,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:05,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:05,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:05,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:05,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:05,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:04" (1/1) ... [2023-11-24 22:54:05,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:05,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:05,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:05,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:54:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:54:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:54:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:54:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:05,220 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:05,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:05,708 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:05,980 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:05,981 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:54:05,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:05 BoogieIcfgContainer [2023-11-24 22:54:05,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:05,985 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:05,985 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:05,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:05,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:05" (1/1) ... [2023-11-24 22:54:06,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-24 22:54:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-24 22:54:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:06,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:06,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:06,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:06,245 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:06,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:06 ImpRootNode [2023-11-24 22:54:06,278 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:06,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:06,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:06,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:06,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:05" (3/4) ... [2023-11-24 22:54:06,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:06,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:06,289 INFO L158 Benchmark]: Toolchain (without parser) took 1878.34ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 91.7MB in the beginning and 127.3MB in the end (delta: -35.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,289 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:06,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.58ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 77.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.85ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 75.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,293 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 138.4MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,294 INFO L158 Benchmark]: RCFGBuilder took 979.07ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 73.7MB in the beginning and 139.9MB in the end (delta: -66.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,295 INFO L158 Benchmark]: CodeCheck took 293.22ms. Allocated memory is still 180.4MB. Free memory was 139.9MB in the beginning and 128.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,296 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 180.4MB. Free memory was 128.2MB in the beginning and 127.3MB in the end (delta: 897.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,308 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 4 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L309] COND TRUE __VERIFIER_nondet_int() [L310] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.58ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 77.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.85ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 75.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 138.4MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 979.07ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 73.7MB in the beginning and 139.9MB in the end (delta: -66.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * CodeCheck took 293.22ms. Allocated memory is still 180.4MB. Free memory was 139.9MB in the beginning and 128.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 180.4MB. Free memory was 128.2MB in the beginning and 127.3MB in the end (delta: 897.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:54:06,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/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_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/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_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/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_52785270-6043-4a49-875f-5b5f0c07a724/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 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:09,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:09,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:54:09,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:09,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:09,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:09,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:09,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:09,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:09,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:09,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:09,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:09,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:09,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:09,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:09,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:09,284 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:09,284 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:09,285 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:09,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:09,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:09,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:09,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:09,288 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:09,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:09,289 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:09,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:09,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:09,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:09,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:09,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:09,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:09,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:09,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:09,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:09,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:09,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:09,296 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_52785270-6043-4a49-875f-5b5f0c07a724/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 [2023-11-24 22:54:09,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:09,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:09,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:09,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:09,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:09,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-24 22:54:12,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:13,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:13,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-24 22:54:13,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/7814191a9/efd6025a2a164821b0817ddaf3b7163b/FLAGe07786de8 [2023-11-24 22:54:13,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/data/7814191a9/efd6025a2a164821b0817ddaf3b7163b [2023-11-24 22:54:13,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:13,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:13,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:13,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:13,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:13,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5b02fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13, skipping insertion in model container [2023-11-24 22:54:13,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:13,316 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-24 22:54:13,323 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-24 22:54:13,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:13,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:13,402 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-24 22:54:13,410 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_52785270-6043-4a49-875f-5b5f0c07a724/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-24 22:54:13,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:13,474 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:13,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13 WrapperNode [2023-11-24 22:54:13,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:13,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:13,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:13,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:13,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,526 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-24 22:54:13,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:13,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:13,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:13,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:13,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:13,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:13,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:13,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:13,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:13" (1/1) ... [2023-11-24 22:54:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:13,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:13,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:13,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:54:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:54:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:54:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:54:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:54:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:13,788 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:13,790 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:18,265 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:18,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:18,361 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:54:18,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:18 BoogieIcfgContainer [2023-11-24 22:54:18,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:18,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:18,364 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:18,373 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:18,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:18" (1/1) ... [2023-11-24 22:54:18,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-24 22:54:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-24 22:54:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:18,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:18,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:18,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52785270-6043-4a49-875f-5b5f0c07a724/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process