./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/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_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/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_1449c4d2-290e-41f2-af44-929e94f21ebd/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 ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:47,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:47,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:47,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:47,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:47,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:47,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:47,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:47,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:47,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:47,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:47,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:47,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:47,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:47,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:47,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:47,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:47,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:47,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:47,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:47,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:47,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:47,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:47,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:47,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:47,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:47,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:47,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:47,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:47,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:47,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:47,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:47,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:47,411 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_1449c4d2-290e-41f2-af44-929e94f21ebd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 [2023-11-24 22:11:47,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:47,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:47,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:47,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:47,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:47,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2023-11-24 22:11:50,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:51,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:51,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2023-11-24 22:11:51,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/b004430c3/ad9fde2008ae4083a85e1d3a59906b05/FLAG722023f3d [2023-11-24 22:11:51,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/b004430c3/ad9fde2008ae4083a85e1d3a59906b05 [2023-11-24 22:11:51,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:51,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:51,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:51,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:51,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:51,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464e04e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51, skipping insertion in model container [2023-11-24 22:11:51,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:51,575 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_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2023-11-24 22:11:51,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:51,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:51,703 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_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2023-11-24 22:11:51,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:51,809 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:51,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51 WrapperNode [2023-11-24 22:11:51,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:51,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:51,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:51,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:51,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,906 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2023-11-24 22:11:51,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:51,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:51,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:51,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:51,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:51,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:51,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:51,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:51,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:51,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:52,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:52,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:11:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:11:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:52,182 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:52,185 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:52,935 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:53,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:53,489 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:11:53,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:53 BoogieIcfgContainer [2023-11-24 22:11:53,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:53,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:53,493 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:53,503 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:53,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:53" (1/1) ... [2023-11-24 22:11:53,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2023-11-24 22:11:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2023-11-24 22:11:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 22:11:53,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:53,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:11:54,793 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 22:11:54,796 INFO L158 Benchmark]: Toolchain (without parser) took 3453.42ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 138.2MB in the beginning and 178.7MB in the end (delta: -40.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:54,797 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:54,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.43ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 121.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:11:54,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.84ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 116.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:11:54,799 INFO L158 Benchmark]: Boogie Preprocessor took 53.49ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 113.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:54,800 INFO L158 Benchmark]: RCFGBuilder took 1529.72ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 84.2MB in the end (delta: 29.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:54,801 INFO L158 Benchmark]: CodeCheck took 1302.90ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 84.2MB in the beginning and 178.7MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:54,804 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.43ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 121.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.84ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 116.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.49ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 113.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1529.72ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 84.2MB in the end (delta: 29.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * CodeCheck took 1302.90ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 84.2MB in the beginning and 178.7MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:54,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/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_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/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_1449c4d2-290e-41f2-af44-929e94f21ebd/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 ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:57,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:57,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:11:57,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:57,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:57,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:57,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:57,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:57,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:57,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:57,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:57,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:57,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:57,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:57,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:57,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:57,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:57,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:57,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:57,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:57,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:57,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:57,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:57,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:57,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:57,789 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:57,790 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:57,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:57,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:57,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:57,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:57,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:57,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:57,793 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:57,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:57,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:57,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:57,795 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_1449c4d2-290e-41f2-af44-929e94f21ebd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 [2023-11-24 22:11:58,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:58,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:58,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:58,295 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:58,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:58,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2023-11-24 22:12:01,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:01,753 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:01,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2023-11-24 22:12:01,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/e4c036790/da5e6ce576d94a63b58db43d532023fd/FLAG821192905 [2023-11-24 22:12:01,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/data/e4c036790/da5e6ce576d94a63b58db43d532023fd [2023-11-24 22:12:01,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:01,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:01,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:01,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:01,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:01,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db7db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01, skipping insertion in model container [2023-11-24 22:12:01,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:02,021 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_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2023-11-24 22:12:02,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:02,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:02,202 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_1449c4d2-290e-41f2-af44-929e94f21ebd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2023-11-24 22:12:02,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:02,322 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:02,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02 WrapperNode [2023-11-24 22:12:02,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:02,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:02,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:02,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:02,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,425 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-24 22:12:02,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:02,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:02,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:02,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:02,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:02,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:02,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:02,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:02,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:02,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:02,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:02,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:02,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:02,840 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:02,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:49,638 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:49,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:49,929 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:49,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:49 BoogieIcfgContainer [2023-11-24 22:12:49,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:49,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:49,933 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:49,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:49,944 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:49" (1/1) ... [2023-11-24 22:12:49,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2023-11-24 22:12:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2023-11-24 22:12:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 22:12:50,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:50,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:50,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:50,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1449c4d2-290e-41f2-af44-929e94f21ebd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:56,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported