./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:45:37,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:45:37,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:45:37,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:45:37,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:45:37,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:45:37,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:45:37,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:45:37,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:45:37,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:45:37,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:45:37,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:45:37,229 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:45:37,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:45:37,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:45:37,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:45:37,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:45:37,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:45:37,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:45:37,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:45:37,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:45:37,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:45:37,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:45:37,238 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:45:37,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:45:37,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:45:37,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:37,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:45:37,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:45:37,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:45:37,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:45:37,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:45:37,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:45:37,242 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2023-12-03 00:45:37,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:45:37,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:45:37,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:45:37,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:45:37,464 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:45:37,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2023-12-03 00:45:40,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:45:40,373 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:45:40,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i [2023-12-03 00:45:40,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/f5dfa504f/bd6bfe6e5b6c4fc29a5a30b74becb523/FLAG1af65a511 [2023-12-03 00:45:40,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/f5dfa504f/bd6bfe6e5b6c4fc29a5a30b74becb523 [2023-12-03 00:45:40,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:45:40,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:45:40,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:40,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:45:40,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:45:40,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:40" (1/1) ... [2023-12-03 00:45:40,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4b4655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:40, skipping insertion in model container [2023-12-03 00:45:40,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:40" (1/1) ... [2023-12-03 00:45:40,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:45:40,968 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i[1641,1654] [2023-12-03 00:45:40,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:40,983 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:45:40,999 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i[1641,1654] [2023-12-03 00:45:41,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:41,014 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:45:41,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41 WrapperNode [2023-12-03 00:45:41,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:41,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:41,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:45:41,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:45:41,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,049 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2023-12-03 00:45:41,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:41,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:45:41,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:45:41,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:45:41,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:45:41,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:45:41,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:45:41,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:45:41,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:45:41,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:45:41,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:45:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:45:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:45:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:45:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:45:41,205 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:45:41,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:45:41,295 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:45:41,338 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:45:41,338 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:45:41,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:41 BoogieIcfgContainer [2023-12-03 00:45:41,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:45:41,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:45:41,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:45:41,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:45:41,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:41" (1/1) ... [2023-12-03 00:45:41,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:45:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 00:45:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 00:45:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:45:41,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:41,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:45:41,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:45:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:45:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:45:41,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:45:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:45:41,537 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:45:41,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:45:41 ImpRootNode [2023-12-03 00:45:41,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:45:41,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:45:41,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:45:41,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:45:41,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:41" (3/4) ... [2023-12-03 00:45:41,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:45:41,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:45:41,560 INFO L158 Benchmark]: Toolchain (without parser) took 782.95ms. Allocated memory is still 207.6MB. Free memory was 168.2MB in the beginning and 133.7MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,560 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:45:41,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.52ms. Allocated memory is still 207.6MB. Free memory was 168.2MB in the beginning and 157.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.35ms. Allocated memory is still 207.6MB. Free memory was 157.7MB in the beginning and 156.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,562 INFO L158 Benchmark]: Boogie Preprocessor took 20.31ms. Allocated memory is still 207.6MB. Free memory was 156.2MB in the beginning and 155.2MB in the end (delta: 959.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:45:41,563 INFO L158 Benchmark]: RCFGBuilder took 268.50ms. Allocated memory is still 207.6MB. Free memory was 155.2MB in the beginning and 145.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,563 INFO L158 Benchmark]: CodeCheck took 213.58ms. Allocated memory is still 207.6MB. Free memory was 145.1MB in the beginning and 134.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,564 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 207.6MB. Free memory was 134.2MB in the beginning and 133.7MB in the end (delta: 570.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:45:41,567 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 1 procedures, 6 locations, 1 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, 3 NumberOfCodeBlocks, 3 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: 37]: 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 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=2, x=2] [L36] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=2, x=2] [L37] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.52ms. Allocated memory is still 207.6MB. Free memory was 168.2MB in the beginning and 157.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.35ms. Allocated memory is still 207.6MB. Free memory was 157.7MB in the beginning and 156.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.31ms. Allocated memory is still 207.6MB. Free memory was 156.2MB in the beginning and 155.2MB in the end (delta: 959.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.50ms. Allocated memory is still 207.6MB. Free memory was 155.2MB in the beginning and 145.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 213.58ms. Allocated memory is still 207.6MB. Free memory was 145.1MB in the beginning and 134.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 207.6MB. Free memory was 134.2MB in the beginning and 133.7MB in the end (delta: 570.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:45:41,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:45:43,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:45:43,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:45:43,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:45:43,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:45:43,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:45:43,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:45:43,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:45:43,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:45:43,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:45:43,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:45:43,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:45:43,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:45:43,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:45:43,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:45:43,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:45:43,697 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:45:43,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:45:43,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:45:43,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:45:43,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:45:43,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:45:43,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:45:43,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:45:43,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:45:43,701 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:43,701 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:45:43,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:45:43,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:43,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:45:43,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:45:43,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:45:43,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:45:43,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:43,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:45:43,705 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:45:43,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:45:43,706 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2023-12-03 00:45:44,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:45:44,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:45:44,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:45:44,042 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:45:44,043 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:45:44,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2023-12-03 00:45:46,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:45:47,024 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:45:47,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i [2023-12-03 00:45:47,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/716537f30/e862fd72b86549ae9a52e63615df9618/FLAG8f04843ec [2023-12-03 00:45:47,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/data/716537f30/e862fd72b86549ae9a52e63615df9618 [2023-12-03 00:45:47,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:45:47,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:45:47,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:47,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:45:47,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:45:47,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221e38cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47, skipping insertion in model container [2023-12-03 00:45:47,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:45:47,249 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i[1641,1654] [2023-12-03 00:45:47,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:47,269 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:45:47,286 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_5d66f539-2e56-4682-a6ae-61dfb2cec25f/sv-benchmarks/c/floats-cdfpl/sine_1.i[1641,1654] [2023-12-03 00:45:47,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:47,303 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:45:47,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47 WrapperNode [2023-12-03 00:45:47,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:47,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:47,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:45:47,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:45:47,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,340 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-12-03 00:45:47,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:47,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:45:47,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:45:47,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:45:47,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:45:47,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:45:47,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:45:47,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:45:47,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:47" (1/1) ... [2023-12-03 00:45:47,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:45:47,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:45:47,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:45:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:45:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:45:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:45:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:45:47,512 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:45:47,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:45:58,103 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:45:58,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:45:58,157 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:45:58,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:58 BoogieIcfgContainer [2023-12-03 00:45:58,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:45:58,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:45:58,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:45:58,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:45:58,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:58" (1/1) ... [2023-12-03 00:45:58,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:45:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 00:45:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 00:45:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:45:58,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:58,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:58,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:58,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d66f539-2e56-4682-a6ae-61dfb2cec25f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:45:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:45:59,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:46:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat