./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b64314a699ac5104f4dc6b30a9eb444c6c00ebf4b5e5d7370ab6ec50aea2a3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:12,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:12,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:58:12,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:12,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:12,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:12,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:12,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:12,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:12,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:12,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:12,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:12,543 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:12,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:12,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:12,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:12,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:12,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:12,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:12,547 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:12,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:12,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:12,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:12,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:12,550 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:12,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:12,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:12,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:12,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:12,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:12,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:12,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:12,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:12,553 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b64314a699ac5104f4dc6b30a9eb444c6c00ebf4b5e5d7370ab6ec50aea2a3d [2023-11-19 03:58:12,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:12,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:12,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:12,915 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:12,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:12,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i [2023-11-19 03:58:15,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:16,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:16,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i [2023-11-19 03:58:16,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/a1b1ab7c6/30b5914a066c40789d720e9d4978ba02/FLAG649a7d72f [2023-11-19 03:58:16,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/a1b1ab7c6/30b5914a066c40789d720e9d4978ba02 [2023-11-19 03:58:16,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:16,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:16,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:16,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:16,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:16,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1343b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16, skipping insertion in model container [2023-11-19 03:58:16,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:16,385 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i[913,926] [2023-11-19 03:58:16,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:16,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:16,497 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i[913,926] [2023-11-19 03:58:16,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:16,550 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:16,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16 WrapperNode [2023-11-19 03:58:16,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:16,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:16,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:16,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:16,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,631 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-19 03:58:16,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:16,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:16,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:16,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:16,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:16,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:16,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:16,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:16,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:16" (1/1) ... [2023-11-19 03:58:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:16,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:16,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:16,863 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:16,865 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:17,384 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:17,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:17,631 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:17,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:17 BoogieIcfgContainer [2023-11-19 03:58:17,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:17,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:17,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:17,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:17,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:17" (1/1) ... [2023-11-19 03:58:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-19 03:58:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-19 03:58:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 03:58:17,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:58:28,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:58:28,239 INFO L158 Benchmark]: Toolchain (without parser) took 12094.60ms. Allocated memory is still 178.3MB. Free memory was 148.3MB in the beginning and 138.9MB in the end (delta: 9.4MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,239 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 106.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:28,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.63ms. Allocated memory is still 178.3MB. Free memory was 148.3MB in the beginning and 133.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.34ms. Allocated memory is still 178.3MB. Free memory was 133.9MB in the beginning and 131.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,242 INFO L158 Benchmark]: Boogie Preprocessor took 64.94ms. Allocated memory is still 178.3MB. Free memory was 131.0MB in the beginning and 128.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,242 INFO L158 Benchmark]: RCFGBuilder took 938.94ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 112.0MB in the end (delta: 16.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,243 INFO L158 Benchmark]: CodeCheck took 10598.57ms. Allocated memory is still 178.3MB. Free memory was 111.5MB in the beginning and 138.9MB in the end (delta: -27.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-19 03:58:28,249 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 0.26ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 106.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.63ms. Allocated memory is still 178.3MB. Free memory was 148.3MB in the beginning and 133.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.34ms. Allocated memory is still 178.3MB. Free memory was 133.9MB in the beginning and 131.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.94ms. Allocated memory is still 178.3MB. Free memory was 131.0MB in the beginning and 128.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 938.94ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 112.0MB in the end (delta: 16.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10598.57ms. Allocated memory is still 178.3MB. Free memory was 111.5MB in the beginning and 138.9MB in the end (delta: -27.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:58:28,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b64314a699ac5104f4dc6b30a9eb444c6c00ebf4b5e5d7370ab6ec50aea2a3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:30,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:30,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:58:30,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:30,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:30,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:30,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:30,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:30,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:30,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:30,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:30,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:30,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:30,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:30,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:30,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:30,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:30,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:30,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:30,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:30,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:30,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:30,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:30,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:30,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:30,919 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:30,920 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:30,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:30,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:30,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:30,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:30,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:30,923 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:30,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:30,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:30,924 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:30,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:30,924 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b64314a699ac5104f4dc6b30a9eb444c6c00ebf4b5e5d7370ab6ec50aea2a3d [2023-11-19 03:58:31,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:31,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:31,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:31,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:31,361 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:31,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i [2023-11-19 03:58:34,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:34,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:34,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i [2023-11-19 03:58:34,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/5ec9e2afa/e6e3e083f7b94582a42fb84afa12789e/FLAG4b834b8ab [2023-11-19 03:58:34,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/data/5ec9e2afa/e6e3e083f7b94582a42fb84afa12789e [2023-11-19 03:58:34,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:34,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:34,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:34,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:34,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:34,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:34" (1/1) ... [2023-11-19 03:58:34,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68aec149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:34, skipping insertion in model container [2023-11-19 03:58:34,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:34" (1/1) ... [2023-11-19 03:58:34,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:35,095 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i[913,926] [2023-11-19 03:58:35,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:35,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:35,226 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_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-55.i[913,926] [2023-11-19 03:58:35,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:35,326 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:35,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35 WrapperNode [2023-11-19 03:58:35,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:35,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:35,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:35,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:35,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,410 INFO L138 Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-19 03:58:35,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:35,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:35,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:35,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:35,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:35,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:35,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:35,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:35,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:35" (1/1) ... [2023-11-19 03:58:35,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:35,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:35,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:35,703 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:35,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:36,899 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:37,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:37,050 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:37,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:37 BoogieIcfgContainer [2023-11-19 03:58:37,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:37,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:37,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:37,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:37,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-19 03:58:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-19 03:58:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 03:58:37,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:37,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:37,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:58:37,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:58:37,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b18625-42cb-4b97-8c7d-32ffdd98b0cf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:58:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:38,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:58:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:40,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:58:40,046 INFO L285 TraceCheckSpWp]: Computing forward predicates...