./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:30:19,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:30:19,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:30:19,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:30:19,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:30:19,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:30:19,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:30:19,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:30:19,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:30:19,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:30:19,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:30:19,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:30:19,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:30:19,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:30:19,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:30:19,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:30:19,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:30:19,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:30:19,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:30:19,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:30:19,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:30:19,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:30:19,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:30:19,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:30:19,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:30:19,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:30:19,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:19,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:30:19,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:30:19,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:30:19,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:30:19,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:30:19,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:30:19,115 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_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 [2023-12-03 00:30:19,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:30:19,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:30:19,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:30:19,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:30:19,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:30:19,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-12-03 00:30:22,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:30:22,318 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:30:22,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-12-03 00:30:22,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/45983eb39/1be560fe8b7f4eb58dcd052ed4f339c2/FLAG5b782287e [2023-12-03 00:30:22,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/45983eb39/1be560fe8b7f4eb58dcd052ed4f339c2 [2023-12-03 00:30:22,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:30:22,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:30:22,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:22,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:30:22,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:30:22,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:22,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7013b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22, skipping insertion in model container [2023-12-03 00:30:22,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:22,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:30:22,866 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 00:30:22,872 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 00:30:22,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:22,923 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:30:22,937 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 00:30:22,938 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 00:30:22,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:22,978 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:30:22,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22 WrapperNode [2023-12-03 00:30:22,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:22,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:22,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:30:22,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:30:22,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:22,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,021 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-03 00:30:23,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:23,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:30:23,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:30:23,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:30:23,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:30:23,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:30:23,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:30:23,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:30:23,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:22" (1/1) ... [2023-12-03 00:30:23,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:23,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:30:23,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:30:23,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:30:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:30:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 00:30:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 00:30:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:30:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:30:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:30:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:30:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:30:23,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:30:23,182 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:30:23,463 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:30:23,650 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:30:23,650 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:30:23,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:23 BoogieIcfgContainer [2023-12-03 00:30:23,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:30:23,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:30:23,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:30:23,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:30:23,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:23" (1/1) ... [2023-12-03 00:30:23,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:30:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 00:30:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 00:30:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:30:23,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:30:23,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:30:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:30:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:30:23,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:30:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:30:23,859 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:30:23,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:30:23 ImpRootNode [2023-12-03 00:30:23,877 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:30:23,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:30:23,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:30:23,878 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:30:23,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:23" (3/4) ... [2023-12-03 00:30:23,881 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:30:23,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:30:23,884 INFO L158 Benchmark]: Toolchain (without parser) took 1192.37ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 103.3MB in the beginning and 143.1MB in the end (delta: -39.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,884 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:30:23,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.49ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 88.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.23ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,886 INFO L158 Benchmark]: Boogie Preprocessor took 30.16ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,887 INFO L158 Benchmark]: RCFGBuilder took 598.34ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 84.5MB in the beginning and 154.6MB in the end (delta: -70.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,888 INFO L158 Benchmark]: CodeCheck took 224.57ms. Allocated memory is still 192.9MB. Free memory was 154.6MB in the beginning and 143.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:30:23,888 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 192.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:30:23,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.398f) 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 0.27ms. Allocated memory is still 146.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.49ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 88.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.23ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.16ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.34ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 84.5MB in the beginning and 154.6MB in the end (delta: -70.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * CodeCheck took 224.57ms. Allocated memory is still 192.9MB. Free memory was 154.6MB in the beginning and 143.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 192.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:30:23,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:30:25,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:30:25,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:30:25,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:30:25,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:30:25,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:30:25,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:30:25,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:30:25,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:30:25,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:30:25,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:30:25,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:30:25,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:30:25,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:30:25,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:30:25,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:30:25,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:30:25,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:30:25,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:30:25,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:30:25,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:30:25,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:30:25,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:30:25,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:30:25,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:30:25,939 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:25,940 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:30:25,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:30:25,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:25,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:30:25,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:30:25,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:30:25,943 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:30:25,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:25,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:30:25,944 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:30:25,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:30:25,944 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_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 [2023-12-03 00:30:26,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:30:26,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:30:26,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:30:26,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:30:26,258 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:30:26,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-12-03 00:30:29,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:30:29,250 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:30:29,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-12-03 00:30:29,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/da9fa8fb5/b9ddb73256314166a4e583083b6156d6/FLAG8ca451603 [2023-12-03 00:30:29,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/data/da9fa8fb5/b9ddb73256314166a4e583083b6156d6 [2023-12-03 00:30:29,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:30:29,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:30:29,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:29,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:30:29,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:30:29,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31abede7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29, skipping insertion in model container [2023-12-03 00:30:29,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:30:29,485 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 00:30:29,491 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 00:30:29,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:29,542 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:30:29,558 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-12-03 00:30:29,560 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_72012862-e989-4ccb-8f0d-4e97023353a3/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-12-03 00:30:29,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:29,625 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:30:29,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29 WrapperNode [2023-12-03 00:30:29,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:29,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:29,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:30:29,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:30:29,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,667 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-12-03 00:30:29,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:29,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:30:29,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:30:29,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:30:29,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:30:29,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:30:29,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:30:29,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:30:29,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:29" (1/1) ... [2023-12-03 00:30:29,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:30:29,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:30:29,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:30:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:30:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:30:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 00:30:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 00:30:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:30:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:30:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:30:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:30:29,859 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:30:29,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:30:40,358 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:30:40,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:30:40,430 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:30:40,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:40 BoogieIcfgContainer [2023-12-03 00:30:40,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:30:40,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:30:40,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:30:40,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:30:40,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:40" (1/1) ... [2023-12-03 00:30:40,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:30:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 00:30:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 00:30:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:30:40,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:40,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:40,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:40,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72012862-e989-4ccb-8f0d-4e97023353a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:30:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:30:46,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:30:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat