./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:38,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:38,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:57:38,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:38,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:38,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:38,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:38,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:38,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:38,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:38,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:38,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:38,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:38,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:38,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:38,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:38,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:38,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:38,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:38,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:38,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:38,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:38,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:38,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:38,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:38,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:38,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:38,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:38,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:38,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:38,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:38,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:38,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:38,811 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2023-11-19 02:57:39,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:39,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:39,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:39,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:39,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:39,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-19 02:57:42,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:42,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:42,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-19 02:57:42,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/230cfa981/9391ce0fc30c4ce38cb4371802f2f538/FLAGd5d636473 [2023-11-19 02:57:42,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/230cfa981/9391ce0fc30c4ce38cb4371802f2f538 [2023-11-19 02:57:42,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:42,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:42,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:42,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:42,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:42,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44230b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42, skipping insertion in model container [2023-11-19 02:57:42,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:42,719 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-19 02:57:42,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:42,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:42,767 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-19 02:57:42,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:42,795 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:42,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42 WrapperNode [2023-11-19 02:57:42,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:42,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:42,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:42,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:42,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,841 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2023-11-19 02:57:42,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:42,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:42,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:42,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:42,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:42,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:42,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:42,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:42,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:42" (1/1) ... [2023-11-19 02:57:42,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:42,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:42,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:42,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:57:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:57:43,033 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:43,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:43,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:43,305 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:43,305 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:57:43,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:43 BoogieIcfgContainer [2023-11-19 02:57:43,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:43,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:43,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:43,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:43,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:43" (1/1) ... [2023-11-19 02:57:43,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 02:57:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 02:57:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:57:43,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:43,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:43,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:43,674 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:57:43,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:43 ImpRootNode [2023-11-19 02:57:43,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:43,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:43,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:43,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:43,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:43" (3/4) ... [2023-11-19 02:57:43,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:57:43,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:43,709 INFO L158 Benchmark]: Toolchain (without parser) took 1209.48ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 94.3MB in the beginning and 179.4MB in the end (delta: -85.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:43,710 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:43,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.91ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 83.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:57:43,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.94ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:43,714 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 754.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:43,715 INFO L158 Benchmark]: RCFGBuilder took 431.79ms. Allocated memory is still 140.5MB. Free memory was 80.8MB in the beginning and 109.7MB in the end (delta: -28.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-19 02:57:43,717 INFO L158 Benchmark]: CodeCheck took 385.65ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 109.6MB in the beginning and 179.4MB in the end (delta: -69.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 02:57:43,718 INFO L158 Benchmark]: Witness Printer took 8.93ms. Allocated memory is still 220.2MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:43,728 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: 0.3s, 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 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. Possible FailurePath: [L25] int r; [L26] double a, x; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [L29] x = a / 2.0 [L30] r = 0 VAL [r=0] [L32] COND TRUE 1 VAL [r=0] [L33] 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 0.31ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.91ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 83.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.94ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 754.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.79ms. Allocated memory is still 140.5MB. Free memory was 80.8MB in the beginning and 109.7MB in the end (delta: -28.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 385.65ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 109.6MB in the beginning and 179.4MB in the end (delta: -69.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 8.93ms. Allocated memory is still 220.2MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:57:43,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:46,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:46,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:57:46,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:46,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:46,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:46,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:46,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:46,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:46,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:46,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:46,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:46,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:46,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:46,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:46,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:46,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:57:46,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:57:46,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:57:46,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:46,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:46,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:46,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:46,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:46,689 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:46,689 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:46,690 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:46,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:46,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:46,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:46,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:46,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:46,693 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:57:46,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:46,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:46,694 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:57:46,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:46,695 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2023-11-19 02:57:47,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:47,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:47,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:47,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:47,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:47,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-19 02:57:50,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:50,675 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:50,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-19 02:57:50,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/496c60bbd/7d2feff851964ba2a2962425f5324433/FLAG479e2c2ab [2023-11-19 02:57:50,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/data/496c60bbd/7d2feff851964ba2a2962425f5324433 [2023-11-19 02:57:50,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:50,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:50,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:50,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:50,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:50,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:50,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8ea81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50, skipping insertion in model container [2023-11-19 02:57:50,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:50,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:50,894 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-19 02:57:50,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:50,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:50,951 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_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-19 02:57:50,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:50,994 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:50,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50 WrapperNode [2023-11-19 02:57:50,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:50,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:50,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:51,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:51,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,063 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-19 02:57:51,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:51,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:51,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:51,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:51,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:51,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:51,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:51,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:51,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:50" (1/1) ... [2023-11-19 02:57:51,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:51,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:51,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:57:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:57:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:57:51,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:51,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:51,896 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:51,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:51,974 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:57:51,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:51 BoogieIcfgContainer [2023-11-19 02:57:51,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:51,980 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:51,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:51,990 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:51,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:51" (1/1) ... [2023-11-19 02:57:51,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 02:57:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 02:57:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:57:52,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:57:52,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:57:52,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:57:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:52,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:58:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:58:03,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:58:03,101 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) [2023-11-19 02:58:03,105 INFO L158 Benchmark]: Toolchain (without parser) took 12386.17ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 71.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,105 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:03,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.35ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 69.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.51ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,108 INFO L158 Benchmark]: Boogie Preprocessor took 61.53ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,108 INFO L158 Benchmark]: RCFGBuilder took 851.43ms. Allocated memory is still 104.9MB. Free memory was 66.7MB in the beginning and 79.3MB in the end (delta: -12.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,109 INFO L158 Benchmark]: CodeCheck took 11123.57ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 71.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:03,112 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 0.21ms. Allocated memory is still 79.7MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.35ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 69.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.51ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.53ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.43ms. Allocated memory is still 104.9MB. Free memory was 66.7MB in the beginning and 79.3MB in the end (delta: -12.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * CodeCheck took 11123.57ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 71.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:03,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd7064d-1c50-44f5-ac0e-b5012542a8fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown