./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:18,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:18,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:18:18,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:18,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:18,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:18,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:18,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:18,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:18,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:18,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:18,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:18,330 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:18,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:18,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:18,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:18,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:18,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:18,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:18,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:18,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:18,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:18,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:18,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:18,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:18,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:18,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:18,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:18,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:18,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:18,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:18,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:18,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:18,341 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd [2023-11-19 03:18:18,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:18,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:18,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:18,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:18,666 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:18,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-19 03:18:21,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:22,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:22,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-19 03:18:22,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/cf8f2285f/26c40c0260b144bcaedbcdde04ae0b9e/FLAG0c1854a71 [2023-11-19 03:18:22,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/cf8f2285f/26c40c0260b144bcaedbcdde04ae0b9e [2023-11-19 03:18:22,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:22,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:22,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:22,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:22,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:22,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffce0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22, skipping insertion in model container [2023-11-19 03:18:22,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:22,432 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 03:18:22,439 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 03:18:22,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:22,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:22,516 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 03:18:22,517 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 03:18:22,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:22,575 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:22,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22 WrapperNode [2023-11-19 03:18:22,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:22,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:22,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:22,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:22,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,647 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:18:22,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:22,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:22,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:22,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:22,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:22,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:22,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:22,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:22,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:22" (1/1) ... [2023-11-19 03:18:22,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:22,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:22,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:18:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:18:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:18:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:18:22,950 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:22,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:23,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:23,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:23,753 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:18:23,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:23 BoogieIcfgContainer [2023-11-19 03:18:23,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:23,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:23,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:23,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:23,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:23" (1/1) ... [2023-11-19 03:18:23,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:18:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:18:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:23,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:23,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:24,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:24,030 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:18:24,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:18:24 ImpRootNode [2023-11-19 03:18:24,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:18:24,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:18:24,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:18:24,064 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:18:24,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:23" (3/4) ... [2023-11-19 03:18:24,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:18:24,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:18:24,069 INFO L158 Benchmark]: Toolchain (without parser) took 1896.05ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 97.8MB in the beginning and 126.6MB in the end (delta: -28.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 03:18:24,070 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:24,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.90ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 83.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:24,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.69ms. Allocated memory is still 144.7MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:24,072 INFO L158 Benchmark]: Boogie Preprocessor took 42.19ms. Allocated memory is still 144.7MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:24,073 INFO L158 Benchmark]: RCFGBuilder took 1066.34ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 79.5MB in the beginning and 138.9MB in the end (delta: -59.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 03:18:24,073 INFO L158 Benchmark]: CodeCheck took 303.28ms. Allocated memory is still 203.4MB. Free memory was 138.9MB in the beginning and 127.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:18:24,074 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 203.4MB. Free memory was 127.5MB in the beginning and 126.6MB in the end (delta: 865.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:24,078 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: [L320] COND TRUE __VERIFIER_nondet_int() [L321] 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 < 1.39843f) 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 0.24ms. Allocated memory is still 144.7MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.90ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 83.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.69ms. Allocated memory is still 144.7MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.19ms. Allocated memory is still 144.7MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1066.34ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 79.5MB in the beginning and 138.9MB in the end (delta: -59.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 303.28ms. Allocated memory is still 203.4MB. Free memory was 138.9MB in the beginning and 127.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 203.4MB. Free memory was 127.5MB in the beginning and 126.6MB in the end (delta: 865.6kB). 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 03:18:24,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:26,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:27,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:18:27,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:27,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:27,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:27,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:27,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:27,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:27,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:27,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:27,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:27,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:27,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:27,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:27,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:27,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:18:27,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:18:27,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:18:27,129 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:27,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:27,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:27,131 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:27,131 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:27,132 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:27,132 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:27,133 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:27,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:27,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:27,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:27,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:27,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:27,136 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:18:27,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:27,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:27,137 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:18:27,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:27,138 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd [2023-11-19 03:18:27,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:27,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:27,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:27,662 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:27,663 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:27,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-19 03:18:31,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:31,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:31,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-19 03:18:31,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/e57df637e/e94ad0ecc92648f7a038ef373d7064c9/FLAG2490d59ff [2023-11-19 03:18:31,565 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/data/e57df637e/e94ad0ecc92648f7a038ef373d7064c9 [2023-11-19 03:18:31,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:31,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:31,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:31,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:31,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:31,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:31" (1/1) ... [2023-11-19 03:18:31,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b863e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:31, skipping insertion in model container [2023-11-19 03:18:31,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:31" (1/1) ... [2023-11-19 03:18:31,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:31,866 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 03:18:31,875 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 03:18:31,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:32,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:32,037 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 03:18:32,040 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_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 03:18:32,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:32,120 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:32,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32 WrapperNode [2023-11-19 03:18:32,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:32,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:32,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:32,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:32,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,217 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 03:18:32,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:32,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:32,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:32,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:32,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:32,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:32,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:32,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:32,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:32" (1/1) ... [2023-11-19 03:18:32,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:32,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:32,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:18:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:18:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:18:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:18:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:18:32,649 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:32,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:43,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:43,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:43,442 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:18:43,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:43 BoogieIcfgContainer [2023-11-19 03:18:43,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:43,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:43,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:43,460 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:43,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:43" (1/1) ... [2023-11-19 03:18:43,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:18:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:18:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:43,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:43,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:43,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:18:43,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:18:43,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768eb9a-8fcf-4598-81d2-5fb9ded9761a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:18:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:48,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat