./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 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:42,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:42,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:20:42,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:42,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:42,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:42,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:42,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:42,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:42,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:42,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:42,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:42,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:42,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:42,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:42,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:42,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:42,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:42,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:42,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:42,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:42,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:42,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:42,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:42,842 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:42,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:42,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:42,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:42,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:42,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:42,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:42,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:42,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:42,848 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 [2023-11-19 03:20:43,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:43,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:43,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:43,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:43,198 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:43,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-11-19 03:20:46,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:46,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:46,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-11-19 03:20:46,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/faf3bd606/66f2157d0a594f308220daa0ff19095b/FLAG9e12f30e0 [2023-11-19 03:20:46,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/faf3bd606/66f2157d0a594f308220daa0ff19095b [2023-11-19 03:20:46,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:46,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:46,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:46,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:46,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:46,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eaed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46, skipping insertion in model container [2023-11-19 03:20:46,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:46,738 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-11-19 03:20:46,744 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-11-19 03:20:46,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:46,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:46,814 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-11-19 03:20:46,816 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-11-19 03:20:46,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:46,866 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:46,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46 WrapperNode [2023-11-19 03:20:46,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:46,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:46,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:46,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:46,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,915 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:20:46,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:46,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:46,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:46,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:46,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:46,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:46,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:46,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:46,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:46,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:47,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:20:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:20:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:20:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:20:47,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:47,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:47,542 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:47,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:47,809 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:20:47,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:47 BoogieIcfgContainer [2023-11-19 03:20:47,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:47,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:47,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:47,825 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:47,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:47" (1/1) ... [2023-11-19 03:20:47,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:20:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:20:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:20:47,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:47,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:47,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:48,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:48,080 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:20:48,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:20:48 ImpRootNode [2023-11-19 03:20:48,110 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:20:48,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:20:48,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:20:48,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:20:48,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:47" (3/4) ... [2023-11-19 03:20:48,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:20:48,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:20:48,121 INFO L158 Benchmark]: Toolchain (without parser) took 1592.61ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 90.1MB in the end (delta: 10.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,122 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:48,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.94ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 86.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.10ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,125 INFO L158 Benchmark]: Boogie Preprocessor took 40.53ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,126 INFO L158 Benchmark]: RCFGBuilder took 856.56ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 101.8MB in the end (delta: -19.8MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,126 INFO L158 Benchmark]: CodeCheck took 295.44ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 90.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:48,127 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 90.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:48,137 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 0.29ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.94ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 86.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.10ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.53ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.56ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 101.8MB in the end (delta: -19.8MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * CodeCheck took 295.44ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 90.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 90.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:20:48,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:50,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:50,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:20:50,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:50,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:50,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:50,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:50,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:50,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:50,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:50,948 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:50,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:50,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:50,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:50,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:50,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:50,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:20:50,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:20:50,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:20:50,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:50,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:50,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:50,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:50,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:50,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:50,957 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:50,957 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:50,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:50,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:50,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:50,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:50,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:50,960 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:20:50,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:50,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:50,961 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:20:50,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:50,962 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdb430a563564dba34d4fe6c6ffeed490245913891172fda591ae44bb309801 [2023-11-19 03:20:51,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:51,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:51,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:51,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:51,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:51,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-11-19 03:20:54,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:54,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:54,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c [2023-11-19 03:20:54,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/07ce19e19/3c462a172fec47af9f3ef4b7757fe0d6/FLAG5dbcf88fc [2023-11-19 03:20:54,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/data/07ce19e19/3c462a172fec47af9f3ef4b7757fe0d6 [2023-11-19 03:20:54,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:54,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:54,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:54,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:54,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:54,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406bcec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54, skipping insertion in model container [2023-11-19 03:20:54,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:55,062 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-11-19 03:20:55,067 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-11-19 03:20:55,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:55,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:55,142 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[1997,2010] [2023-11-19 03:20:55,143 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_b5b69c79-ab04-4efa-8cd1-e419581b8bec/sv-benchmarks/c/combinations/square_2+soft_float_2a.c.cil.c[2366,2379] [2023-11-19 03:20:55,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:55,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:55,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55 WrapperNode [2023-11-19 03:20:55,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:55,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:55,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:55,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:55,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,246 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 03:20:55,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:55,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:55,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:55,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:55,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:55,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:55,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:55,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:55,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:55" (1/1) ... [2023-11-19 03:20:55,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:55,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:55,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:20:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:20:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:20:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:20:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:20:55,438 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:55,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:02,174 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:02,308 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:02,310 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:21:02,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:02 BoogieIcfgContainer [2023-11-19 03:21:02,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:02,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:02,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:02,339 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:02,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:21:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:21:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:21:02,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:02,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:21:02,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:21:02,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b69c79-ab04-4efa-8cd1-e419581b8bec/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:21:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:09,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat