./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL --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 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:02,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:02,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:54:02,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:02,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:02,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:02,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:02,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:02,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:02,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:02,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:02,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:02,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:02,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:02,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:02,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:02,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:02,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:02,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:02,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:02,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:02,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:02,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:02,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:02,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:02,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:02,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:02,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:02,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:02,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:02,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:02,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:02,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:02,699 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_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 [2023-11-19 02:54:02,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:03,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:03,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:03,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:03,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:03,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2023-11-19 02:54:06,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:06,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:06,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2023-11-19 02:54:06,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/d3dbe04b0/85c03a1bcb264177812fac4fa01ac878/FLAG62b24e348 [2023-11-19 02:54:06,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/d3dbe04b0/85c03a1bcb264177812fac4fa01ac878 [2023-11-19 02:54:06,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:06,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:06,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:06,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:06,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:06,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:06" (1/1) ... [2023-11-19 02:54:06,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e60a8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:06, skipping insertion in model container [2023-11-19 02:54:06,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:06" (1/1) ... [2023-11-19 02:54:06,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:06,932 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2023-11-19 02:54:06,937 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2023-11-19 02:54:06,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:07,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:07,038 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2023-11-19 02:54:07,042 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2023-11-19 02:54:07,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:07,100 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:07,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07 WrapperNode [2023-11-19 02:54:07,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:07,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:07,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:07,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:07,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,159 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2023-11-19 02:54:07,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:07,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:07,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:07,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:07,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:07,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:07,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:07,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:07,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:07" (1/1) ... [2023-11-19 02:54:07,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:07,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:07,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:54:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:54:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:07,437 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:07,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:07,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:08,295 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:08,296 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:54:08,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:08 BoogieIcfgContainer [2023-11-19 02:54:08,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:08,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:08,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:08,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:08,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:08" (1/1) ... [2023-11-19 02:54:08,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 02:54:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 02:54:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:54:08,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:08,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:08,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:08,529 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:54:08,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:54:08 ImpRootNode [2023-11-19 02:54:08,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:54:08,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:54:08,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:54:08,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:54:08,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:08" (3/4) ... [2023-11-19 02:54:08,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:54:08,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:54:08,568 INFO L158 Benchmark]: Toolchain (without parser) took 1865.84ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 97.9MB in the beginning and 112.2MB in the end (delta: -14.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,569 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:08,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.95ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 82.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.93ms. Allocated memory is still 134.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,571 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 134.2MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,573 INFO L158 Benchmark]: RCFGBuilder took 1099.53ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 78.2MB in the beginning and 123.6MB in the end (delta: -45.4MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,574 INFO L158 Benchmark]: CodeCheck took 250.77ms. Allocated memory is still 178.3MB. Free memory was 123.6MB in the beginning and 112.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:08,575 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:08,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L402] COND TRUE __VERIFIER_nondet_int() [L403] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.399f) 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 0.22ms. Allocated memory is still 134.2MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.95ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 82.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.93ms. Allocated memory is still 134.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 134.2MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1099.53ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 78.2MB in the beginning and 123.6MB in the end (delta: -45.4MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * CodeCheck took 250.77ms. Allocated memory is still 178.3MB. Free memory was 123.6MB in the beginning and 112.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:54:08,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL --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 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:11,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:11,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:54:11,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:11,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:11,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:11,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:11,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:11,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:11,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:11,476 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:11,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:11,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:11,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:11,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:11,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:11,481 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:54:11,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:54:11,481 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:54:11,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:11,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:11,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:11,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:11,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:11,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:11,485 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:11,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:11,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:11,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:11,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:11,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:11,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:11,488 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:54:11,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:11,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:11,489 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:54:11,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:11,490 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_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 [2023-11-19 02:54:11,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:11,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:11,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:11,953 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:11,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:11,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2023-11-19 02:54:15,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:15,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:15,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2023-11-19 02:54:15,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/bc55ec7b4/601fdab26df64048bf24b25702736326/FLAG5f7311a90 [2023-11-19 02:54:15,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/data/bc55ec7b4/601fdab26df64048bf24b25702736326 [2023-11-19 02:54:15,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:15,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:15,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:15,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:15,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:15,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:15,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c7d46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15, skipping insertion in model container [2023-11-19 02:54:15,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:15,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:15,751 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2023-11-19 02:54:15,757 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2023-11-19 02:54:15,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:15,829 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:15,866 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2023-11-19 02:54:15,870 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_8822bf96-9779-4cde-bba9-67e770326b04/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2023-11-19 02:54:15,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:15,969 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:15,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15 WrapperNode [2023-11-19 02:54:15,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:15,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:15,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:15,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:16,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,095 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:54:16,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:16,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:16,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:16,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:16,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:16,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:16,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:16,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:16,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:15" (1/1) ... [2023-11-19 02:54:16,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:16,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:16,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:16,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:54:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:54:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:54:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:16,363 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:16,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:27,040 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:27,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:27,182 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:54:27,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:27 BoogieIcfgContainer [2023-11-19 02:54:27,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:27,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:27,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:27,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:27,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:27" (1/1) ... [2023-11-19 02:54:27,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 02:54:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 02:54:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:54:27,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:27,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:54:27,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:54:27,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8822bf96-9779-4cde-bba9-67e770326b04/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process