./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:01:27,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:01:27,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 06:01:27,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:01:27,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:01:27,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:01:27,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:01:27,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:01:27,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:01:27,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:01:27,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:01:27,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:01:27,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:01:27,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:01:27,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:01:27,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:01:27,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:01:27,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:01:27,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:01:27,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:01:27,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:01:27,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:01:27,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:01:27,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 [2024-12-06 06:01:27,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:01:27,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:01:27,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:01:27,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:01:27,515 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:01:27,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2024-12-06 06:01:30,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/48c1663a7/a0dc5ab268244aaf8ba3abb53da65c76/FLAG91898fa25 [2024-12-06 06:01:30,706 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:01:30,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2024-12-06 06:01:30,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/48c1663a7/a0dc5ab268244aaf8ba3abb53da65c76/FLAG91898fa25 [2024-12-06 06:01:30,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/48c1663a7/a0dc5ab268244aaf8ba3abb53da65c76 [2024-12-06 06:01:30,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:01:30,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:01:30,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:01:30,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:01:30,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:01:30,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:01:30" (1/1) ... [2024-12-06 06:01:30,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146ee8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:30, skipping insertion in model container [2024-12-06 06:01:30,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:01:30" (1/1) ... [2024-12-06 06:01:30,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:01:31,175 WARN L250 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2024-12-06 06:01:32,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:01:32,211 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:01:32,222 WARN L250 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2024-12-06 06:01:32,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:01:32,973 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:01:32,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32 WrapperNode [2024-12-06 06:01:32,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:01:32,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:01:32,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:01:32,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:01:32,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:33,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:35,411 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37024 [2024-12-06 06:01:35,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:01:35,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:01:35,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:01:35,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:01:35,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:35,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:36,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:36,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:36,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:01:37,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:01:37,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:01:37,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:01:37,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:32" (1/1) ... [2024-12-06 06:01:37,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:01:37,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:01:37,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:01:37,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:01:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:01:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:01:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:01:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:01:39,347 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:01:39,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:02:59,806 INFO L? ?]: Removed 20453 outVars from TransFormulas that were not future-live. [2024-12-06 06:02:59,806 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:04:46,212 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:04:46,212 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:04:46,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:04:46 BoogieIcfgContainer [2024-12-06 06:04:46,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:04:46,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:04:46,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:04:46,220 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:04:46,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:04:46" (1/1) ... [2024-12-06 06:04:46,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:04:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:04:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:04:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:04:46,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:46,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:04:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:04:51,325 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:04:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:05:03,131 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:05:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:05:13,773 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:485) 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) [2024-12-06 06:05:13,779 INFO L158 Benchmark]: Toolchain (without parser) took 223011.71ms. Allocated memory was 142.6MB in the beginning and 11.9GB in the end (delta: 11.7GB). Free memory was 99.8MB in the beginning and 9.2GB in the end (delta: -9.1GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-12-06 06:05:13,780 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:13,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2205.41ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 99.6MB in the beginning and 193.6MB in the end (delta: -94.0MB). Peak memory consumption was 338.9MB. Max. memory is 16.1GB. [2024-12-06 06:05:13,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 2437.15ms. Allocated memory was 427.8MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 193.6MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 640.0MB. Max. memory is 16.1GB. [2024-12-06 06:05:13,782 INFO L158 Benchmark]: Boogie Preprocessor took 2307.34ms. Allocated memory is still 3.1GB. Free memory was 2.3GB in the beginning and 2.1GB in the end (delta: 251.5MB). Peak memory consumption was 303.5MB. Max. memory is 16.1GB. [2024-12-06 06:05:13,782 INFO L158 Benchmark]: RCFGBuilder took 188492.32ms. Allocated memory was 3.1GB in the beginning and 11.9GB in the end (delta: 8.8GB). Free memory was 2.1GB in the beginning and 8.8GB in the end (delta: -6.7GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2024-12-06 06:05:13,783 INFO L158 Benchmark]: CodeCheck took 27564.66ms. Allocated memory is still 11.9GB. Free memory was 8.8GB in the beginning and 9.2GB in the end (delta: -411.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:05:13,785 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2205.41ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 99.6MB in the beginning and 193.6MB in the end (delta: -94.0MB). Peak memory consumption was 338.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2437.15ms. Allocated memory was 427.8MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 193.6MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 640.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2307.34ms. Allocated memory is still 3.1GB. Free memory was 2.3GB in the beginning and 2.1GB in the end (delta: 251.5MB). Peak memory consumption was 303.5MB. Max. memory is 16.1GB. * RCFGBuilder took 188492.32ms. Allocated memory was 3.1GB in the beginning and 11.9GB in the end (delta: 8.8GB). Free memory was 2.1GB in the beginning and 8.8GB in the end (delta: -6.7GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. * CodeCheck took 27564.66ms. Allocated memory is still 11.9GB. Free memory was 8.8GB in the beginning and 9.2GB in the end (delta: -411.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:05:13,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:05:16,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:05:16,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:05:16,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:05:16,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:05:16,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:05:16,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:05:16,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:05:16,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:05:16,307 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:05:16,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:16,308 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:05:16,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:16,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:16,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:05:16,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 868b02930ed023513792020d3580dcb032090dd344327221a3513114156c4d64 [2024-12-06 06:05:16,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:05:16,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:05:16,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:05:16,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:05:16,537 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:05:16,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2024-12-06 06:05:19,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/304ae7896/929fc3db10db43f0841805ebe07f28b3/FLAG73353abf0 [2024-12-06 06:05:19,714 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:05:19,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c [2024-12-06 06:05:19,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/304ae7896/929fc3db10db43f0841805ebe07f28b3/FLAG73353abf0 [2024-12-06 06:05:20,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/data/304ae7896/929fc3db10db43f0841805ebe07f28b3 [2024-12-06 06:05:20,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:05:20,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:05:20,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:20,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:05:20,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:05:20,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:20" (1/1) ... [2024-12-06 06:05:20,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711964de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:20, skipping insertion in model container [2024-12-06 06:05:20,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:20" (1/1) ... [2024-12-06 06:05:20,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:05:20,658 WARN L250 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2024-12-06 06:05:21,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:21,495 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:05:21,506 WARN L250 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_5a1f2d70-7315-4185-a030-2a24f7c5cca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal67.c[1245,1258] [2024-12-06 06:05:22,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:05:22,097 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:05:22,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22 WrapperNode [2024-12-06 06:05:22,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:05:22,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:22,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:05:22,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:05:22,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,496 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11728 [2024-12-06 06:05:22,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:05:22,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:05:22,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:05:22,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:05:22,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:05:22,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:05:22,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:05:22,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:05:22,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2024-12-06 06:05:22,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:05:22,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:05:22,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:05:22,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:05:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:05:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:05:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:05:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:05:24,197 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:05:24,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:35,102 INFO L? ?]: Removed 451 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:35,102 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:35,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:35,339 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:06:35,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:35 BoogieIcfgContainer [2024-12-06 06:06:35,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:35,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:35,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:35,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:35,350 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:35" (1/1) ... [2024-12-06 06:06:35,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:06:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:06:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:06:35,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:35,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:35,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:35,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:35,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:06:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:37,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:38,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 06:06:38,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:38,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:06:40,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:06:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:06:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:06:40,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:40,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:40,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:06:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:45,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:46,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 06:06:46,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:47,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 06:06:49,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:51,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:52,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:55,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:57,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 06:06:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 06:06:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:06:57,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:57,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:57,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:57,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:57,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1f2d70-7315-4185-a030-2a24f7c5cca6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:07:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:05,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:07,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-06 06:07:07,939 INFO L279 TraceCheckSpWp]: Computing forward predicates...