./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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 635a1e60678a5560c2d4f471b1621e4874af8f81f11429fca537539223b8f1e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:27,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:27,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:29:27,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:27,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:27,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:27,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:27,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:27,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:27,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:27,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:27,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:27,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:27,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:27,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:27,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:27,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:27,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:27,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:27,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:27,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:27,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:27,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:27,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:27,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:27,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:27,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:27,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:27,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:27,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:27,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:27,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:27,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:27,255 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635a1e60678a5560c2d4f471b1621e4874af8f81f11429fca537539223b8f1e6 [2023-11-19 03:29:27,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:27,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:27,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:27,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:27,669 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:27,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c [2023-11-19 03:29:31,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:31,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:31,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c [2023-11-19 03:29:31,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/5fde16f11/155ce26171734b52ad8d3f690cf7d5cc/FLAG0ece3ae15 [2023-11-19 03:29:31,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/5fde16f11/155ce26171734b52ad8d3f690cf7d5cc [2023-11-19 03:29:31,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:31,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:31,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:31,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:31,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:31,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478b0c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31, skipping insertion in model container [2023-11-19 03:29:31,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:31,656 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[1997,2010] [2023-11-19 03:29:31,664 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[2391,2404] [2023-11-19 03:29:31,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:31,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:31,759 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[1997,2010] [2023-11-19 03:29:31,761 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[2391,2404] [2023-11-19 03:29:31,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:31,838 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:31,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31 WrapperNode [2023-11-19 03:29:31,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:31,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:31,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:31,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:31,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,936 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-11-19 03:29:31,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:31,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:31,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:31,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:31,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:31,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:32,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:32,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:32,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:32,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:32,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:32,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:32,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:31" (1/1) ... [2023-11-19 03:29:32,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:32,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:32,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:29:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:29:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:29:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:29:32,202 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:32,205 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:32,813 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:33,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:33,151 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:33,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:33 BoogieIcfgContainer [2023-11-19 03:29:33,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:33,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:33,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:33,172 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:33,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:33,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:29:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:29:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:29:33,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:33,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:33,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:33,416 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:29:33,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:33 ImpRootNode [2023-11-19 03:29:33,438 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:33,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:33,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:33,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:33,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:33" (3/4) ... [2023-11-19 03:29:33,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:29:33,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:33,444 INFO L158 Benchmark]: Toolchain (without parser) took 1993.75ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 74.7MB in the beginning and 81.3MB in the end (delta: -6.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,445 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:33,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.26ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 59.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.30ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,447 INFO L158 Benchmark]: Boogie Preprocessor took 69.62ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,448 INFO L158 Benchmark]: RCFGBuilder took 1148.53ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 55.4MB in the beginning and 92.9MB in the end (delta: -37.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,449 INFO L158 Benchmark]: CodeCheck took 279.23ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 81.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:33,450 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 159.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:33,454 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, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.26ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 59.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.30ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.62ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.53ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 55.4MB in the beginning and 92.9MB in the end (delta: -37.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 279.23ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 81.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 159.4MB. Free memory is still 81.3MB. 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 03:29:33,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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 635a1e60678a5560c2d4f471b1621e4874af8f81f11429fca537539223b8f1e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:36,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:36,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:29:36,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:36,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:36,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:36,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:36,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:36,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:36,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:36,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:36,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:36,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:36,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:36,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:36,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:36,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:29:36,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:29:36,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:29:36,554 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:36,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:36,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:36,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:36,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:36,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:36,565 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:36,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:36,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:36,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:36,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:36,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:36,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:36,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:29:36,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:36,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:36,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:29:36,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:36,570 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635a1e60678a5560c2d4f471b1621e4874af8f81f11429fca537539223b8f1e6 [2023-11-19 03:29:37,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:37,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:37,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:37,137 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:37,138 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:37,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c [2023-11-19 03:29:40,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:41,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:41,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c [2023-11-19 03:29:41,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/027c9f628/534e0d4a24da4a938c8f3a6f7fb0b346/FLAGc49040c27 [2023-11-19 03:29:41,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/data/027c9f628/534e0d4a24da4a938c8f3a6f7fb0b346 [2023-11-19 03:29:41,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:41,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:41,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:41,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:41,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:41,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b23d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41, skipping insertion in model container [2023-11-19 03:29:41,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:41,340 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[1997,2010] [2023-11-19 03:29:41,347 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[2391,2404] [2023-11-19 03:29:41,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:41,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:41,436 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[1997,2010] [2023-11-19 03:29:41,438 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_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/sv-benchmarks/c/combinations/square_2+soft_float_1-2a.c.cil.c[2391,2404] [2023-11-19 03:29:41,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:41,488 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:41,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41 WrapperNode [2023-11-19 03:29:41,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:41,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:41,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:41,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:41,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,552 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-19 03:29:41,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:41,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:41,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:41,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:41,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:41,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:41,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:41,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:41,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:41" (1/1) ... [2023-11-19 03:29:41,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:41,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:41,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:29:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:29:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:29:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:29:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:29:41,838 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:41,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:52,742 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:52,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:52,912 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:52,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:52 BoogieIcfgContainer [2023-11-19 03:29:52,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:52,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:52,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:52,936 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:52,936 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:29:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:29:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:29:53,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:53,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:53,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa9db9d-3a8a-4d86-b1f1-359cb7fd3bef/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:30:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:01,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:30:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat