./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/freire1.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_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/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_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/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_71566e15-3ad7-498a-9dd0-30d82420fc0a/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 a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:44:17,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:44:17,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:44:17,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:44:17,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:44:17,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:44:17,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:44:17,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:44:17,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:44:17,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:44:17,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:44:17,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:44:17,607 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:44:17,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:44:17,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:44:17,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:44:17,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:44:17,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:44:17,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:44:17,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:44:17,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:44:17,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:44:17,612 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:44:17,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:44:17,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:44:17,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:44:17,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:17,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:44:17,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:44:17,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:44:17,616 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:44:17,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:44:17,616 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:44:17,617 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_71566e15-3ad7-498a-9dd0-30d82420fc0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec [2023-12-02 21:44:17,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:44:17,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:44:17,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:44:17,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:44:17,859 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:44:17,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/freire1.c [2023-12-02 21:44:20,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:44:22,983 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:44:22,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c [2023-12-02 21:44:22,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/8b7153fa5/84bce41b145b4bc5bdddf8b696fd58fa/FLAG3749dd75e [2023-12-02 21:44:23,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/8b7153fa5/84bce41b145b4bc5bdddf8b696fd58fa [2023-12-02 21:44:23,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:44:23,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:44:23,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:23,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:44:23,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:44:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2151f4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23, skipping insertion in model container [2023-12-02 21:44:23,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:44:23,171 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_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c[712,725] [2023-12-02 21:44:23,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:23,195 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:44:23,206 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_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c[712,725] [2023-12-02 21:44:23,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:23,224 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:44:23,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23 WrapperNode [2023-12-02 21:44:23,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:23,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:23,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:44:23,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:44:23,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,252 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-12-02 21:44:23,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:23,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:44:23,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:44:23,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:44:23,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:44:23,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:44:23,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:44:23,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:44:23,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:23,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:44:23,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:44:23,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:44:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:44:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:44:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:44:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:44:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:44:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:44:23,406 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:44:23,409 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:44:23,497 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:44:23,521 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:44:23,521 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:44:23,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:23 BoogieIcfgContainer [2023-12-02 21:44:23,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:44:23,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:44:23,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:44:23,534 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:44:23,535 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:23" (1/1) ... [2023-12-02 21:44:23,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:44:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-12-02 21:44:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-12-02 21:44:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:44:23,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:23,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:23,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:23,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:23,746 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:44:23,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:44:23 ImpRootNode [2023-12-02 21:44:23,768 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:44:23,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:44:23,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:44:23,769 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:44:23,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:23" (3/4) ... [2023-12-02 21:44:23,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:44:23,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:44:23,774 INFO L158 Benchmark]: Toolchain (without parser) took 767.72ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 60.1MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 21:44:23,775 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:23,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.48ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:23,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.60ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:23,777 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:44:23,778 INFO L158 Benchmark]: RCFGBuilder took 250.56ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 72.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:23,779 INFO L158 Benchmark]: CodeCheck took 244.04ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 60.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:23,779 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 60.1MB in the end (delta: 515.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:23,784 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, 6 NumberOfCodeBlocks, 6 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: 19]: 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 to_int at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x; [L27] a = __VERIFIER_nondet_double() [L28] x = a / 2.0 [L29] r = 0 VAL [r=0] [L31] COND TRUE 1 VAL [r=0] [L32] CALL __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.48ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.60ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 250.56ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 72.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 244.04ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 60.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 60.1MB in the end (delta: 515.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:44:23,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/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_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/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_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/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_71566e15-3ad7-498a-9dd0-30d82420fc0a/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 a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:44:25,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:44:25,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:44:25,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:44:25,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:44:25,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:44:25,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:44:25,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:44:25,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:44:25,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:44:25,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:44:25,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:44:25,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:44:25,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:44:25,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:44:25,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:44:25,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:44:25,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:44:25,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:44:25,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:44:25,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:44:25,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:44:25,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:44:25,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:44:25,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:44:25,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:25,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:44:25,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:44:25,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:25,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:44:25,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:44:25,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:44:25,905 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:44:25,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:25,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:44:25,906 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:44:25,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:44:25,906 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_71566e15-3ad7-498a-9dd0-30d82420fc0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec [2023-12-02 21:44:26,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:44:26,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:44:26,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:44:26,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:44:26,208 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:44:26,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/freire1.c [2023-12-02 21:44:29,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:44:29,225 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:44:29,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c [2023-12-02 21:44:29,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/2dfea39d1/df792310992043288738b11089b50103/FLAG3a7cbd636 [2023-12-02 21:44:29,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/data/2dfea39d1/df792310992043288738b11089b50103 [2023-12-02 21:44:29,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:44:29,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:44:29,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:29,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:44:29,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:44:29,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580a3f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29, skipping insertion in model container [2023-12-02 21:44:29,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,271 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:44:29,396 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_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c[712,725] [2023-12-02 21:44:29,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:29,421 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:44:29,432 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/sv-benchmarks/c/nla-digbench/freire1.c[712,725] [2023-12-02 21:44:29,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:29,454 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:44:29,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29 WrapperNode [2023-12-02 21:44:29,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:29,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:29,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:44:29,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:44:29,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,484 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-12-02 21:44:29,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:29,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:44:29,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:44:29,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:44:29,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:44:29,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:44:29,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:44:29,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:44:29,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:29" (1/1) ... [2023-12-02 21:44:29,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:29,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:44:29,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:44:29,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:44:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:44:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:44:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:44:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:44:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:44:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:44:29,652 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:44:29,654 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:44:31,506 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:44:31,536 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:44:31,536 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:44:31,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:31 BoogieIcfgContainer [2023-12-02 21:44:31,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:44:31,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:44:31,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:44:31,549 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:44:31,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:31" (1/1) ... [2023-12-02 21:44:31,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:44:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-12-02 21:44:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-12-02 21:44:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:44:31,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:31,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:31,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:31,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:31,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71566e15-3ad7-498a-9dd0-30d82420fc0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:44:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:32,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat