./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/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_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/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_58807de4-8e38-42c2-9327-1479de9235df/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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:50,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:50,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:50,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:50,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:50,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:50,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:50,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:50,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:50,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:50,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:50,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:50,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:50,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:50,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:50,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:50,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:50,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:50,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:50,564 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:50,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:50,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:50,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:50,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:50,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:50,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:50,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:50,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:50,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:50,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:50,571 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:50,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:50,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:50,572 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_58807de4-8e38-42c2-9327-1479de9235df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2023-11-24 22:58:50,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:50,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:50,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:50,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:50,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:50,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-24 22:58:54,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:54,669 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:54,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-24 22:58:54,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/4ac54798f/9ed3f27c0355442e86990cf51b48c5af/FLAG42e9bdecf [2023-11-24 22:58:54,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/4ac54798f/9ed3f27c0355442e86990cf51b48c5af [2023-11-24 22:58:54,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:54,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:54,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:54,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:54,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:54,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:54" (1/1) ... [2023-11-24 22:58:54,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de0cd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:54, skipping insertion in model container [2023-11-24 22:58:54,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:54" (1/1) ... [2023-11-24 22:58:54,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:55,058 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_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-24 22:58:55,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:55,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:55,228 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_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-24 22:58:55,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:55,376 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:55,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55 WrapperNode [2023-11-24 22:58:55,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:55,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:55,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:55,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:55,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,491 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2023-11-24 22:58:55,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:55,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:55,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:55,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:55,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:55,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:55,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:55,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:55,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:55,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:55,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:55,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:58:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:58:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:55,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:55,905 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:56,729 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:57,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:57,502 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:58:57,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:57 BoogieIcfgContainer [2023-11-24 22:58:57,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:57,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:57,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:57,522 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:57,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:57" (1/1) ... [2023-11-24 22:58:57,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-11-24 22:58:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-11-24 22:58:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 22:58:57,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:57,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:58,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:59:08,705 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 22:59:08,710 INFO L158 Benchmark]: Toolchain (without parser) took 13981.89ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 122.5MB in the beginning and 114.9MB in the end (delta: 7.5MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,711 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 163.6MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:08,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.87ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 105.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.96ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 100.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,713 INFO L158 Benchmark]: Boogie Preprocessor took 113.90ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,714 INFO L158 Benchmark]: RCFGBuilder took 1897.82ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 97.3MB in the beginning and 150.2MB in the end (delta: -52.9MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,715 INFO L158 Benchmark]: CodeCheck took 11201.15ms. Allocated memory is still 237.0MB. Free memory was 150.2MB in the beginning and 114.9MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:08,719 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 163.6MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.87ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 105.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.96ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 100.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.90ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1897.82ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 97.3MB in the beginning and 150.2MB in the end (delta: -52.9MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * CodeCheck took 11201.15ms. Allocated memory is still 237.0MB. Free memory was 150.2MB in the beginning and 114.9MB in the end (delta: 35.2MB). 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 22:59:08,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/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_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/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_58807de4-8e38-42c2-9327-1479de9235df/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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:11,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:11,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:59:11,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:11,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:11,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:11,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:11,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:11,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:11,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:11,653 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:11,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:11,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:11,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:11,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:11,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:11,656 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:11,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:11,657 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:11,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:11,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:11,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:11,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:11,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:11,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:11,661 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:11,661 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:11,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:11,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:11,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:11,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:11,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:11,664 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:11,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:11,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:11,665 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:11,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:11,666 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_58807de4-8e38-42c2-9327-1479de9235df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2023-11-24 22:59:12,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:12,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:12,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:12,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:12,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:12,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-24 22:59:15,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:15,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:15,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2023-11-24 22:59:15,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/83aac2717/f947538801fa4aed97877cec6b6c3ce5/FLAG60f03af78 [2023-11-24 22:59:15,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/data/83aac2717/f947538801fa4aed97877cec6b6c3ce5 [2023-11-24 22:59:15,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:15,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:15,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:15,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:15,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:15,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:15" (1/1) ... [2023-11-24 22:59:15,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4763c94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:15, skipping insertion in model container [2023-11-24 22:59:15,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:15" (1/1) ... [2023-11-24 22:59:15,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:16,136 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_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-24 22:59:16,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:16,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:16,300 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_58807de4-8e38-42c2-9327-1479de9235df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2023-11-24 22:59:16,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:16,431 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:16,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16 WrapperNode [2023-11-24 22:59:16,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:16,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:16,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:16,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:16,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,523 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-24 22:59:16,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:16,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:16,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:16,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:16,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:16,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:16,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:16,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:16,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:16,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:16,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:59:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:59:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:16,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:16,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:20,972 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:21,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:21,334 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:59:21,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21 BoogieIcfgContainer [2023-11-24 22:59:21,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:21,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:21,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:21,350 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:21,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-11-24 22:59:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-11-24 22:59:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 22:59:21,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:21,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:21,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:21,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58807de4-8e38-42c2-9327-1479de9235df/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 22:59:26,419 INFO L285 TraceCheckSpWp]: Computing forward predicates...