./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.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_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/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_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/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_abcb0c0c-8222-4929-9e7d-779642502a45/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 1a4de183d5c3afa7320d823204dab1fd0008fc48177c63c70c20eeb4b698d3a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:27:04,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:27:04,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:27:04,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:27:04,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:27:04,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:27:04,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:27:04,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:27:04,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:27:04,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:27:04,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:27:04,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:27:04,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:27:04,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:27:04,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:27:04,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:27:04,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:27:04,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:27:04,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:27:04,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:27:04,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:27:04,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:27:04,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:27:04,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:04,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:27:04,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:27:04,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:27:04,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:27:04,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:27:04,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:27:04,896 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_abcb0c0c-8222-4929-9e7d-779642502a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4de183d5c3afa7320d823204dab1fd0008fc48177c63c70c20eeb4b698d3a3 [2023-12-03 04:27:05,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:27:05,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:27:05,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:27:05,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:27:05,130 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:27:05,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c [2023-12-03 04:27:07,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:27:08,462 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:27:08,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c [2023-12-03 04:27:08,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/1d4dfe125/481736832aff41b1bd012ef1637b793d/FLAG46a5390ed [2023-12-03 04:27:08,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/1d4dfe125/481736832aff41b1bd012ef1637b793d [2023-12-03 04:27:08,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:27:08,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:27:08,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:08,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:27:08,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:27:08,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:08" (1/1) ... [2023-12-03 04:27:08,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d726ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:08, skipping insertion in model container [2023-12-03 04:27:08,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:08" (1/1) ... [2023-12-03 04:27:08,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:27:08,973 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_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c[1245,1258] [2023-12-03 04:27:10,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:10,139 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:27:10,152 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_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c[1245,1258] [2023-12-03 04:27:11,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:11,041 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:27:11,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11 WrapperNode [2023-12-03 04:27:11,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:11,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:11,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:27:11,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:27:11,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:11,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:14,516 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42146 [2023-12-03 04:27:14,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:14,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:27:14,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:27:14,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:27:14,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:14,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:15,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:15,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:15,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:16,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:16,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:16,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:17,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:27:17,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:27:17,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:27:17,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:27:17,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:11" (1/1) ... [2023-12-03 04:27:17,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:17,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:27:17,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:27:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:27:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:27:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:27:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:27:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:27:18,854 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:27:18,856 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:27:40,578 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:29:27,710 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:29:27,710 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:29:27,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:29:27 BoogieIcfgContainer [2023-12-03 04:29:27,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:29:27,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:29:27,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:29:27,722 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:29:27,723 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:29:27" (1/1) ... [2023-12-03 04:29:27,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:29:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:29:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:29:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:29:27,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:29:31,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:29:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:29:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:29:44,655 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) [2023-12-03 04:29:44,658 INFO L158 Benchmark]: Toolchain (without parser) took 156133.37ms. Allocated memory was 153.1MB in the beginning and 13.1GB in the end (delta: 12.9GB). Free memory was 99.2MB in the beginning and 10.0GB in the end (delta: -9.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2023-12-03 04:29:44,659 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:29:44,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2516.41ms. Allocated memory was 153.1MB in the beginning and 291.5MB in the end (delta: 138.4MB). Free memory was 98.8MB in the beginning and 79.0MB in the end (delta: 19.8MB). Peak memory consumption was 208.4MB. Max. memory is 16.1GB. [2023-12-03 04:29:44,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 3473.95ms. Allocated memory was 291.5MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 79.0MB in the beginning and 816.1MB in the end (delta: -737.1MB). Peak memory consumption was 634.4MB. Max. memory is 16.1GB. [2023-12-03 04:29:44,661 INFO L158 Benchmark]: Boogie Preprocessor took 2651.06ms. Allocated memory was 1.5GB in the beginning and 4.6GB in the end (delta: 3.1GB). Free memory was 816.1MB in the beginning and 3.7GB in the end (delta: -2.9GB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. [2023-12-03 04:29:44,661 INFO L158 Benchmark]: RCFGBuilder took 130542.69ms. Allocated memory was 4.6GB in the beginning and 13.1GB in the end (delta: 8.5GB). Free memory was 3.7GB in the beginning and 10.3GB in the end (delta: -6.6GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2023-12-03 04:29:44,662 INFO L158 Benchmark]: CodeCheck took 16943.92ms. Allocated memory is still 13.1GB. Free memory was 10.3GB in the beginning and 10.0GB in the end (delta: 370.2MB). Peak memory consumption was 373.3MB. Max. memory is 16.1GB. [2023-12-03 04:29:44,666 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 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2516.41ms. Allocated memory was 153.1MB in the beginning and 291.5MB in the end (delta: 138.4MB). Free memory was 98.8MB in the beginning and 79.0MB in the end (delta: 19.8MB). Peak memory consumption was 208.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3473.95ms. Allocated memory was 291.5MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 79.0MB in the beginning and 816.1MB in the end (delta: -737.1MB). Peak memory consumption was 634.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2651.06ms. Allocated memory was 1.5GB in the beginning and 4.6GB in the end (delta: 3.1GB). Free memory was 816.1MB in the beginning and 3.7GB in the end (delta: -2.9GB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. * RCFGBuilder took 130542.69ms. Allocated memory was 4.6GB in the beginning and 13.1GB in the end (delta: 8.5GB). Free memory was 3.7GB in the beginning and 10.3GB in the end (delta: -6.6GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * CodeCheck took 16943.92ms. Allocated memory is still 13.1GB. Free memory was 10.3GB in the beginning and 10.0GB in the end (delta: 370.2MB). Peak memory consumption was 373.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:29:44,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/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_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/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_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/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_abcb0c0c-8222-4929-9e7d-779642502a45/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 1a4de183d5c3afa7320d823204dab1fd0008fc48177c63c70c20eeb4b698d3a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:29:47,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:29:47,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:29:47,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:29:47,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:29:47,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:29:47,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:29:47,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:29:47,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:29:47,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:29:47,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:29:47,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:29:47,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:29:47,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:29:47,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:29:47,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:29:47,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:29:47,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:29:47,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:29:47,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:29:47,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:29:47,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:29:47,274 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:47,275 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:29:47,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:29:47,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:29:47,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:29:47,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:29:47,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:29:47,277 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:29:47,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:47,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:29:47,278 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:29:47,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:29:47,279 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_abcb0c0c-8222-4929-9e7d-779642502a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4de183d5c3afa7320d823204dab1fd0008fc48177c63c70c20eeb4b698d3a3 [2023-12-03 04:29:47,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:29:47,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:29:47,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:29:47,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:29:47,575 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:29:47,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c [2023-12-03 04:29:50,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:29:50,947 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:29:50,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c [2023-12-03 04:29:50,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/37391a6a0/ff6ad0c57e8c4d29a147ba6b3f4e71c2/FLAG5ad86cb10 [2023-12-03 04:29:51,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/data/37391a6a0/ff6ad0c57e8c4d29a147ba6b3f4e71c2 [2023-12-03 04:29:51,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:29:51,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:29:51,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:29:51,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:29:51,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:29:51,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:29:51" (1/1) ... [2023-12-03 04:29:51,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab2de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:51, skipping insertion in model container [2023-12-03 04:29:51,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:29:51" (1/1) ... [2023-12-03 04:29:51,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:29:51,505 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_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c[1245,1258] [2023-12-03 04:29:52,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:29:52,479 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:29:52,492 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_abcb0c0c-8222-4929-9e7d-779642502a45/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal43.c[1245,1258] [2023-12-03 04:29:53,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:29:53,196 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:29:53,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53 WrapperNode [2023-12-03 04:29:53,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:29:53,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:29:53,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:29:53,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:29:53,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,603 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11505 [2023-12-03 04:29:53,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:29:53,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:29:53,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:29:53,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:29:53,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:53,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:54,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:29:54,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:29:54,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:29:54,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:29:54,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:29:53" (1/1) ... [2023-12-03 04:29:54,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:29:54,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:29:54,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:29:54,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:29:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:29:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:29:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:29:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:29:55,427 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:29:55,429 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:31:01,145 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:31:01,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:31:01,498 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:31:01,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:01 BoogieIcfgContainer [2023-12-03 04:31:01,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:31:01,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:31:01,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:31:01,508 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:31:01,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:01" (1/1) ... [2023-12-03 04:31:01,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:31:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:31:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:31:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:31:01,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:01,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:01,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:01,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:01,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:31:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:03,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:04,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:31:04,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:04,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:15,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:31:25,525 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 [] [2023-12-03 04:31:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:31:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:31:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:31:25,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:25,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:25,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:25,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:25,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:31:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:41,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:44,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 9609 conjuncts, 188 conjunts are in the unsatisfiable core [2023-12-03 04:31:44,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:31:48,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:32:00,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:22,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:32,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:43,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:32:54,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:04,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 04:33:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 04:33:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:33:04,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:04,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:33:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:33:04,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:33:04,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:34:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:14,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:34:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:18,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 18794 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:34:19,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:43,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 04:34:57,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:07,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:19,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:30,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:40,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:50,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:05,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:36:15,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:36:25,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:36:36,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:36:46,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:37:01,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:37:13,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:37:23,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:37:33,558 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 [0] [2023-12-03 04:37:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2023-12-03 04:37:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2023-12-03 04:37:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:37:33,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:33,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:33,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:33,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:33,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:38:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:45,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:50,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 18794 conjuncts, 369 conjunts are in the unsatisfiable core [2023-12-03 04:38:50,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:39:37,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:39:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2023-12-03 04:39:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2023-12-03 04:39:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:39:38,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:38,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcb0c0c-8222-4929-9e7d-779642502a45/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process