./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/water_pid.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:30:08,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:30:08,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:30:08,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:30:08,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:30:08,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:30:08,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:30:08,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:30:08,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:30:08,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:30:08,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:30:08,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:30:08,183 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:30:08,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:30:08,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:30:08,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:30:08,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:30:08,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:30:08,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:30:08,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:30:08,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:30:08,191 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:30:08,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:30:08,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:30:08,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:30:08,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:30:08,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:08,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:30:08,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:30:08,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:30:08,195 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:30:08,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:30:08,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:30:08,196 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 [2023-12-03 02:30:08,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:30:08,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:30:08,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:30:08,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:30:08,430 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:30:08,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/water_pid.c [2023-12-03 02:30:11,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:30:11,336 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:30:11,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c [2023-12-03 02:30:11,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/f9e28e212/c1a7331dd7d54266bd4607b189e31374/FLAG8a72752b0 [2023-12-03 02:30:11,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/f9e28e212/c1a7331dd7d54266bd4607b189e31374 [2023-12-03 02:30:11,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:30:11,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:30:11,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:11,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:30:11,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:30:11,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55767f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11, skipping insertion in model container [2023-12-03 02:30:11,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:11,510 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2023-12-03 02:30:11,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:11,539 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:30:11,548 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2023-12-03 02:30:11,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:11,567 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:30:11,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11 WrapperNode [2023-12-03 02:30:11,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:11,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:11,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:30:11,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:30:11,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,596 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-12-03 02:30:11,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:11,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:30:11,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:30:11,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:30:11,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:30:11,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:30:11,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:30:11,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:30:11,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:30:11,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:30:11,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:30:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:30:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure y [2023-12-03 02:30:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2023-12-03 02:30:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:30:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:30:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:30:11,729 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:30:11,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:30:11,827 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:30:11,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:30:11,855 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:30:11,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:11 BoogieIcfgContainer [2023-12-03 02:30:11,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:30:11,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:30:11,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:30:11,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:30:11,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:11" (1/1) ... [2023-12-03 02:30:11,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:30:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-03 02:30:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-03 02:30:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:30:11,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:30:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:30:12,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:30:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:30:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:30:12,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:30:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:30:12,128 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:30:12,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-03 02:30:12,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-12-03 02:30:12,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:30:12 ImpRootNode [2023-12-03 02:30:12,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:30:12,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:30:12,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:30:12,158 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:30:12,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:11" (3/4) ... [2023-12-03 02:30:12,161 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:30:12,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:30:12,163 INFO L158 Benchmark]: Toolchain (without parser) took 801.14ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 89.9MB in the beginning and 134.1MB in the end (delta: -44.3MB). Peak memory consumption was 717.6kB. Max. memory is 16.1GB. [2023-12-03 02:30:12,164 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:30:12,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.18ms. Allocated memory is still 138.4MB. Free memory was 89.5MB in the beginning and 79.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:30:12,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.67ms. Allocated memory is still 138.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:30:12,166 INFO L158 Benchmark]: Boogie Preprocessor took 17.18ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:30:12,167 INFO L158 Benchmark]: RCFGBuilder took 242.38ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 76.3MB in the beginning and 148.8MB in the end (delta: -72.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-03 02:30:12,167 INFO L158 Benchmark]: CodeCheck took 299.83ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 134.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:30:12,168 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 134.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:30:12,172 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 2 procedures, 13 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, 12 NumberOfCodeBlocks, 12 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: 8]: 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 someBinaryDOUBLEComparisonOperation at line 46, overapproximation of to_real at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L12] static NUM yn = 0; [L14] NUM ui = 0; [L24] NUM yi, yc; [L25] NUM K; [L26] NUM T; [L27] NUM taui; [L28] NUM taud; [L29] NUM ei, sumej, epi; [L30] int i; [L31] T = 1 [L32] taui = 1 [L33] taud = 1 [L34] K = .5 [L35] yc = .5 VAL [K=1/2, yc=1/2] [L36] CALL, EXPR y(0) VAL [\old(i)=0, \old(yn)=2, yn=2] [L18] yn += ui [L19] return yn; [L36] RET, EXPR y(0) VAL [K=1/2, yc=1/2, yn=3] [L36] yi = y(0) [L37] epi = yc-yi [L38] sumej = epi [L39] i=0 VAL [K=1/2, epi=4, i=0, sumej=4, yc=1/2, yi=3, yn=3] [L39] COND TRUE i<120 VAL [K=1/2, epi=4, i=0, sumej=4, yc=1/2, yi=3, yn=3] [L40] CALL, EXPR y(i) VAL [\old(i)=0, \old(yn)=3, yn=3] [L18] yn += ui [L19] return yn; [L40] RET, EXPR y(i) VAL [K=1/2, epi=4, i=0, sumej=4, yc=1/2, yi=3, yn=5] [L40] yi = y(i) [L41] ei = yc-yi [L42] sumej = sumej+ei [L43] ui = K*(ei+sumej*T/taui+taud/T*(ei-epi)) [L44] epi = ei [L46] CALL __VERIFIER_assert(epi >= -1. && epi <= 1.) [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, yn=5] [L8] reach_error() VAL [\old(cond)=0, cond=0, yn=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.18ms. Allocated memory is still 138.4MB. Free memory was 89.5MB in the beginning and 79.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.67ms. Allocated memory is still 138.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.18ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 242.38ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 76.3MB in the beginning and 148.8MB in the end (delta: -72.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 299.83ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 134.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 134.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:30:12,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:30:14,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:30:14,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:30:14,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:30:14,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:30:14,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:30:14,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:30:14,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:30:14,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:30:14,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:30:14,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:30:14,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:30:14,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:30:14,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:30:14,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:30:14,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:30:14,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:30:14,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:30:14,191 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:30:14,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:30:14,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:30:14,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:30:14,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:30:14,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:30:14,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:30:14,194 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:14,195 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:30:14,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:30:14,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:14,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:30:14,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:30:14,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:30:14,198 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:30:14,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:14,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:30:14,199 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:30:14,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:30:14,199 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 [2023-12-03 02:30:14,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:30:14,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:30:14,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:30:14,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:30:14,523 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:30:14,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/water_pid.c [2023-12-03 02:30:17,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:30:17,485 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:30:17,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c [2023-12-03 02:30:17,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/d7d90bf4a/8dd6d07749de4006bfdf06542f7eb26b/FLAGbf08e569b [2023-12-03 02:30:17,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/data/d7d90bf4a/8dd6d07749de4006bfdf06542f7eb26b [2023-12-03 02:30:17,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:30:17,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:30:17,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:17,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:30:17,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:30:17,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13af83ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17, skipping insertion in model container [2023-12-03 02:30:17,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:17,692 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2023-12-03 02:30:17,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:17,727 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:30:17,739 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_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2023-12-03 02:30:17,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:17,763 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:30:17,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17 WrapperNode [2023-12-03 02:30:17,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:17,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:17,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:30:17,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:30:17,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,802 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-12-03 02:30:17,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:17,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:30:17,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:30:17,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:30:17,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:30:17,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:30:17,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:30:17,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:30:17,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:17" (1/1) ... [2023-12-03 02:30:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:30:17,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:30:17,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:30:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:30:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:30:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure y [2023-12-03 02:30:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2023-12-03 02:30:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:30:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:30:17,984 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:30:17,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:30:29,083 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:30:29,119 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:30:29,120 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:30:29,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:29 BoogieIcfgContainer [2023-12-03 02:30:29,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:30:29,122 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:30:29,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:30:29,132 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:30:29,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:30:29" (1/1) ... [2023-12-03 02:30:29,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:30:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-03 02:30:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-03 02:30:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:30:29,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:29,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:29,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:30:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:36,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:30:51,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:30:51,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:30:51,860 INFO L158 Benchmark]: Toolchain (without parser) took 34351.04ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-12-03 02:30:51,861 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:30:51,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.39ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 65.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:30:51,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.52ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:30:51,862 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:30:51,863 INFO L158 Benchmark]: RCFGBuilder took 11286.63ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 50.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:30:51,864 INFO L158 Benchmark]: CodeCheck took 22736.69ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 75.7MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:30:51,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.39ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 65.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.52ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11286.63ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 50.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 22736.69ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 75.7MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:30:52,080 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:30:52,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0e0e13-a35f-423d-bddc-5d268ecb37c1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown