./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9 --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 2e919b7aa62dd0623cd690b9622ccbea6cbeaac8d3439054af6e752091c8cac0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:19,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:19,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:32:19,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:32:19,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:32:19,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:19,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:19,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:19,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:19,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:19,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:19,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:19,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:32:19,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:19,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:19,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:19,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:19,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:19,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:19,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:19,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:19,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:19,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:19,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:19,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:19,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:19,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:19,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:32:19,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:32:19,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:19,114 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e919b7aa62dd0623cd690b9622ccbea6cbeaac8d3439054af6e752091c8cac0 [2023-12-02 23:32:19,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:19,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:19,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:19,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:19,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:19,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c [2023-12-02 23:32:22,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:32:22,674 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:32:22,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c [2023-12-02 23:32:22,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/72a5a1609/95b3a676b6b04e83a22ad5558b4df544/FLAG07ffc61ca [2023-12-02 23:32:22,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/72a5a1609/95b3a676b6b04e83a22ad5558b4df544 [2023-12-02 23:32:22,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:32:22,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:32:22,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:22,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:32:22,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:32:22,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:22" (1/1) ... [2023-12-02 23:32:22,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a210e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:22, skipping insertion in model container [2023-12-02 23:32:22,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:22" (1/1) ... [2023-12-02 23:32:22,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:32:23,257 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c[1245,1258] [2023-12-02 23:32:24,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:24,349 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:32:24,359 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c[1245,1258] [2023-12-02 23:32:25,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:25,217 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:32:25,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25 WrapperNode [2023-12-02 23:32:25,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:25,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:25,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:32:25,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:32:25,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:25,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:28,265 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41817 [2023-12-02 23:32:28,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:28,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:32:28,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:32:28,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:32:28,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:28,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:28,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:28,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:29,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:29,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:29,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:30,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:30,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:32:30,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:32:30,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:32:30,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:32:30,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:25" (1/1) ... [2023-12-02 23:32:30,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:30,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:32:30,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:32:30,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:32:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:32:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:32:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:32:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:32:32,298 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:32:32,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:58,117 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:57,630 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:57,630 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:34:57,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:57 BoogieIcfgContainer [2023-12-02 23:34:57,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:57,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:57,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:57,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:57,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:57" (1/1) ... [2023-12-02 23:34:57,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:34:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:34:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:34:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:34:57,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:57,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:11,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:35:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:35:37,757 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) [2023-12-02 23:35:37,761 INFO L158 Benchmark]: Toolchain (without parser) took 195022.26ms. Allocated memory was 184.5MB in the beginning and 12.8GB in the end (delta: 12.7GB). Free memory was 127.4MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2023-12-02 23:35:37,762 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:37,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2478.04ms. Allocated memory was 184.5MB in the beginning and 385.9MB in the end (delta: 201.3MB). Free memory was 127.4MB in the beginning and 174.7MB in the end (delta: -47.4MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. [2023-12-02 23:35:37,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 3047.64ms. Allocated memory was 385.9MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 174.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 561.3MB. Max. memory is 16.1GB. [2023-12-02 23:35:37,764 INFO L158 Benchmark]: Boogie Preprocessor took 2369.42ms. Allocated memory was 2.3GB in the beginning and 6.9GB in the end (delta: 4.6GB). Free memory was 1.6GB in the beginning and 6.0GB in the end (delta: -4.4GB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. [2023-12-02 23:35:37,765 INFO L158 Benchmark]: RCFGBuilder took 146995.19ms. Allocated memory was 6.9GB in the beginning and 12.8GB in the end (delta: 6.0GB). Free memory was 6.0GB in the beginning and 10.2GB in the end (delta: -4.2GB). Peak memory consumption was 5.7GB. Max. memory is 16.1GB. [2023-12-02 23:35:37,766 INFO L158 Benchmark]: CodeCheck took 40127.25ms. Allocated memory is still 12.8GB. Free memory was 10.2GB in the beginning and 9.0GB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-02 23:35:37,770 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 0.22ms. Allocated memory is still 123.7MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2478.04ms. Allocated memory was 184.5MB in the beginning and 385.9MB in the end (delta: 201.3MB). Free memory was 127.4MB in the beginning and 174.7MB in the end (delta: -47.4MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3047.64ms. Allocated memory was 385.9MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 174.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 561.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2369.42ms. Allocated memory was 2.3GB in the beginning and 6.9GB in the end (delta: 4.6GB). Free memory was 1.6GB in the beginning and 6.0GB in the end (delta: -4.4GB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. * RCFGBuilder took 146995.19ms. Allocated memory was 6.9GB in the beginning and 12.8GB in the end (delta: 6.0GB). Free memory was 6.0GB in the beginning and 10.2GB in the end (delta: -4.2GB). Peak memory consumption was 5.7GB. Max. memory is 16.1GB. * CodeCheck took 40127.25ms. Allocated memory is still 12.8GB. Free memory was 10.2GB in the beginning and 9.0GB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:35:37,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9 --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 2e919b7aa62dd0623cd690b9622ccbea6cbeaac8d3439054af6e752091c8cac0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:35:40,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:35:40,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:35:40,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:35:40,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:35:40,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:35:40,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:35:40,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:35:40,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:35:40,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:35:40,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:35:40,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:35:40,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:35:40,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:35:40,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:35:40,386 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:35:40,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:35:40,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:35:40,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:35:40,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:35:40,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:35:40,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:35:40,390 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:40,391 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:40,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:35:40,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:40,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:35:40,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:35:40,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:35:40,393 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:35:40,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:40,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:35:40,394 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:35:40,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:40,395 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e919b7aa62dd0623cd690b9622ccbea6cbeaac8d3439054af6e752091c8cac0 [2023-12-02 23:35:40,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:35:40,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:35:40,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:35:40,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:35:40,706 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:35:40,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c [2023-12-02 23:35:43,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:35:44,046 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:35:44,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c [2023-12-02 23:35:44,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/5a1fd10a7/92262c4657454edeb7aeab3534ddabe3/FLAG04b1bed33 [2023-12-02 23:35:44,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/data/5a1fd10a7/92262c4657454edeb7aeab3534ddabe3 [2023-12-02 23:35:44,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:35:44,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:35:44,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:44,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:35:44,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:35:44,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:44" (1/1) ... [2023-12-02 23:35:44,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b621714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:44, skipping insertion in model container [2023-12-02 23:35:44,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:44" (1/1) ... [2023-12-02 23:35:44,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:35:44,610 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c[1245,1258] [2023-12-02 23:35:45,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:45,579 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:35:45,591 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_c71c0f9c-44a1-44c2-826d-8dfc355da31e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal27.c[1245,1258] [2023-12-02 23:35:46,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:46,316 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:35:46,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46 WrapperNode [2023-12-02 23:35:46,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:46,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:46,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:35:46,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:35:46,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:46,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:46,987 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11335 [2023-12-02 23:35:46,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:46,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:35:46,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:35:46,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:35:46,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:46,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:35:47,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:35:47,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:35:47,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:35:47,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:46" (1/1) ... [2023-12-02 23:35:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:47,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:35:47,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:35:47,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:35:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:35:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:35:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:35:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:35:48,837 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:35:48,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:36:59,529 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:37:00,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:37:00,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:37:00,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:00 BoogieIcfgContainer [2023-12-02 23:37:00,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:37:00,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:37:00,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:37:00,062 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:37:00,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:00" (1/1) ... [2023-12-02 23:37:00,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:37:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:37:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:37:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:37:00,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:00,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:00,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:00,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:00,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:37:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:02,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:03,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:37:03,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:03,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:14,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:24,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:37:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:37:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:37:24,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:24,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:24,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:24,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:24,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:38:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:06,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:09,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 9671 conjuncts, 220 conjunts are in the unsatisfiable core [2023-12-02 23:38:09,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:15,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:38:27,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:40,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:50,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:00,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:13,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:24,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:34,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 23:39:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 23:39:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:39:34,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:34,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:34,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:42:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:32,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:39,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 18774 conjuncts, 400 conjunts are in the unsatisfiable core [2023-12-02 23:42:39,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:31,924 WARN L293 SmtUtils]: Spent 16.91s on a formula simplification. DAG size of input: 342 DAG size of output: 215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:43:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:40,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c0f9c-44a1-44c2-826d-8dfc355da31e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:43:58,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:08,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:20,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:32,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:42,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:52,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []