./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i --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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi --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 8a3002039cd21413113bf498930a905fc3f73e30075556fe0114040231bbb24a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:15,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:15,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:15,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:15,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:15,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:15,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:15,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:15,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:15,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:15,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:15,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:15,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:15,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:15,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:15,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:15,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:15,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:15,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:15,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:15,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:15,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:15,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:15,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:15,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:15,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:15,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:15,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:15,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:15,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:15,588 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:15,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:15,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:15,589 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a3002039cd21413113bf498930a905fc3f73e30075556fe0114040231bbb24a [2023-11-24 22:16:15,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:15,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:15,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:15,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:15,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:15,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i [2023-11-24 22:16:19,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:19,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:19,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i [2023-11-24 22:16:19,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/7de5c24fb/e43ef612e0ed40d7bc14326a9ed67370/FLAG5324f82d5 [2023-11-24 22:16:19,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/7de5c24fb/e43ef612e0ed40d7bc14326a9ed67370 [2023-11-24 22:16:19,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:19,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:19,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:19,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:19,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:19,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d31840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19, skipping insertion in model container [2023-11-24 22:16:19,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:19,622 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i[917,930] [2023-11-24 22:16:19,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:19,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:19,718 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i[917,930] [2023-11-24 22:16:19,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:19,784 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:19,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19 WrapperNode [2023-11-24 22:16:19,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:19,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:19,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:19,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:19,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,855 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-24 22:16:19,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:19,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:19,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:19,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:19,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:19,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:19,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:19,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:19,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:19" (1/1) ... [2023-11-24 22:16:19,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:19,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:19,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:19,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:20,175 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:20,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:20,732 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:21,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:21,014 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:16:21,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:21 BoogieIcfgContainer [2023-11-24 22:16:21,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:21,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:21,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:21,029 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:21,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:21" (1/1) ... [2023-11-24 22:16:21,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:21,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-24 22:16:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-24 22:16:21,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-24 22:16:21,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:21,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:21,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:16:31,740 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) [2023-11-24 22:16:31,745 INFO L158 Benchmark]: Toolchain (without parser) took 12324.64ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 69.0MB in the end (delta: 48.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,745 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:31,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.70ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.12ms. Allocated memory is still 163.6MB. Free memory was 103.2MB in the beginning and 100.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,748 INFO L158 Benchmark]: Boogie Preprocessor took 40.98ms. Allocated memory is still 163.6MB. Free memory was 100.2MB in the beginning and 98.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,749 INFO L158 Benchmark]: RCFGBuilder took 1118.33ms. Allocated memory is still 163.6MB. Free memory was 98.5MB in the beginning and 103.8MB in the end (delta: -5.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,749 INFO L158 Benchmark]: CodeCheck took 10726.08ms. Allocated memory is still 163.6MB. Free memory was 103.8MB in the beginning and 69.0MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,754 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 0.34ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.70ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.12ms. Allocated memory is still 163.6MB. Free memory was 103.2MB in the beginning and 100.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.98ms. Allocated memory is still 163.6MB. Free memory was 100.2MB in the beginning and 98.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.33ms. Allocated memory is still 163.6MB. Free memory was 98.5MB in the beginning and 103.8MB in the end (delta: -5.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 10726.08ms. Allocated memory is still 163.6MB. Free memory was 103.8MB in the beginning and 69.0MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:31,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi --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 8a3002039cd21413113bf498930a905fc3f73e30075556fe0114040231bbb24a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:34,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:34,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:34,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:34,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:34,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:34,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:34,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:34,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:34,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:34,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:34,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:34,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:34,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:34,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:34,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:34,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:34,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:34,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:34,978 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:34,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:34,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:34,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:34,980 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:34,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:34,981 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:34,982 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:34,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:34,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:34,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:34,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:34,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:34,985 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:34,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:34,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:34,986 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:34,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:34,987 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a3002039cd21413113bf498930a905fc3f73e30075556fe0114040231bbb24a [2023-11-24 22:16:35,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:35,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:35,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:35,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:35,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:35,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i [2023-11-24 22:16:38,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:38,846 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:38,847 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i [2023-11-24 22:16:38,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/d8a9c654a/910edeb1be5a4f19845d4b4bd4d78e1d/FLAG50609f36a [2023-11-24 22:16:38,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/data/d8a9c654a/910edeb1be5a4f19845d4b4bd4d78e1d [2023-11-24 22:16:38,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:38,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:38,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:38,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:38,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:38,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cae23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:38, skipping insertion in model container [2023-11-24 22:16:38,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:39,128 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i[917,930] [2023-11-24 22:16:39,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:39,223 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_aa310b97-4a1d-4cd7-943e-bc855ae9f083/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-55.i[917,930] [2023-11-24 22:16:39,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,285 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:39,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39 WrapperNode [2023-11-24 22:16:39,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:39,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:39,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:39,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,410 INFO L138 Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-24 22:16:39,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:39,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:39,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:39,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:39,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:39,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:39,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:39,703 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:39,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:40,873 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:41,141 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:41,142 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:16:41,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:41 BoogieIcfgContainer [2023-11-24 22:16:41,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:41,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:41,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:41,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:41,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:41" (1/1) ... [2023-11-24 22:16:41,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-24 22:16:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-24 22:16:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-24 22:16:41,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:41,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:41,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:41,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa310b97-4a1d-4cd7-943e-bc855ae9f083/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:16:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:44,822 INFO L285 TraceCheckSpWp]: Computing forward predicates...