./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/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_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/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_79a09c50-d09d-4986-9327-2961c8098aaf/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 63e52c6ed597b360be8d610315637cd01f70663a96d71e05022b1be99deb1d1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:11:00,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:11:00,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:11:00,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:11:00,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:11:00,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:11:00,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:11:00,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:11:00,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:11:00,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:11:00,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:11:00,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:11:00,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:11:00,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:11:00,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:11:00,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:11:00,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:11:00,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:11:00,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:11:00,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:11:00,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:11:00,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:11:00,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:11:00,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:11:00,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:11:00,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:11:00,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:11:00,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:11:00,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:11:00,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:11:00,730 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_79a09c50-d09d-4986-9327-2961c8098aaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e52c6ed597b360be8d610315637cd01f70663a96d71e05022b1be99deb1d1d [2023-12-03 01:11:00,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:11:00,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:11:00,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:11:00,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:11:00,970 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:11:00,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c [2023-12-03 01:11:03,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:11:04,291 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:11:04,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c [2023-12-03 01:11:04,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/e6077717b/6e084e8e5c9340639f74380d01069ba1/FLAG2f43d1fab [2023-12-03 01:11:04,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/e6077717b/6e084e8e5c9340639f74380d01069ba1 [2023-12-03 01:11:04,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:11:04,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:11:04,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:11:04,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:11:04,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:11:04,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:11:04" (1/1) ... [2023-12-03 01:11:04,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22314b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:04, skipping insertion in model container [2023-12-03 01:11:04,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:11:04" (1/1) ... [2023-12-03 01:11:04,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:11:05,025 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_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c[1246,1259] [2023-12-03 01:11:06,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:11:06,645 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:11:06,657 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_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c[1246,1259] [2023-12-03 01:11:07,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:11:07,947 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:11:07,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07 WrapperNode [2023-12-03 01:11:07,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:11:07,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:11:07,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:11:07,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:11:07,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:08,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:12,045 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58350 [2023-12-03 01:11:12,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:11:12,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:11:12,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:11:12,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:11:12,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:12,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:13,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:13,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:13,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:14,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:14,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:14,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:15,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:11:15,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:11:15,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:11:15,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:11:15,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:11:07" (1/1) ... [2023-12-03 01:11:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:11:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:11:15,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:11:15,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:11:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:11:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:11:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:11:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:11:17,336 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:11:17,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:12:04,182 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:14:54,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:14:54,121 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:14:54,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:54 BoogieIcfgContainer [2023-12-03 01:14:54,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:14:54,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:14:54,123 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:14:54,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:14:54,131 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:54" (1/1) ... [2023-12-03 01:14:54,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:14:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:14:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:14:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:14:54,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:15:06,355 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 01:15:06,359 INFO L158 Benchmark]: Toolchain (without parser) took 241973.89ms. Allocated memory was 176.2MB in the beginning and 14.7GB in the end (delta: 14.5GB). Free memory was 116.0MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-03 01:15:06,359 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:06,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3563.82ms. Allocated memory was 176.2MB in the beginning and 675.3MB in the end (delta: 499.1MB). Free memory was 115.2MB in the beginning and 354.6MB in the end (delta: -239.3MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. [2023-12-03 01:15:06,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 4095.43ms. Allocated memory was 675.3MB in the beginning and 4.6GB in the end (delta: 3.9GB). Free memory was 354.6MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 745.5MB. Max. memory is 16.1GB. [2023-12-03 01:15:06,362 INFO L158 Benchmark]: Boogie Preprocessor took 3155.77ms. Allocated memory is still 4.6GB. Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 309.3MB). Peak memory consumption was 489.7MB. Max. memory is 16.1GB. [2023-12-03 01:15:06,363 INFO L158 Benchmark]: RCFGBuilder took 218920.40ms. Allocated memory was 4.6GB in the beginning and 14.7GB in the end (delta: 10.1GB). Free memory was 3.4GB in the beginning and 10.7GB in the end (delta: -7.3GB). Peak memory consumption was 7.7GB. Max. memory is 16.1GB. [2023-12-03 01:15:06,363 INFO L158 Benchmark]: CodeCheck took 12233.65ms. Allocated memory is still 14.7GB. Free memory was 10.7GB in the beginning and 11.1GB in the end (delta: -436.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:06,367 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 0.18ms. Allocated memory is still 102.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3563.82ms. Allocated memory was 176.2MB in the beginning and 675.3MB in the end (delta: 499.1MB). Free memory was 115.2MB in the beginning and 354.6MB in the end (delta: -239.3MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4095.43ms. Allocated memory was 675.3MB in the beginning and 4.6GB in the end (delta: 3.9GB). Free memory was 354.6MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 745.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3155.77ms. Allocated memory is still 4.6GB. Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 309.3MB). Peak memory consumption was 489.7MB. Max. memory is 16.1GB. * RCFGBuilder took 218920.40ms. Allocated memory was 4.6GB in the beginning and 14.7GB in the end (delta: 10.1GB). Free memory was 3.4GB in the beginning and 10.7GB in the end (delta: -7.3GB). Peak memory consumption was 7.7GB. Max. memory is 16.1GB. * CodeCheck took 12233.65ms. Allocated memory is still 14.7GB. Free memory was 10.7GB in the beginning and 11.1GB in the end (delta: -436.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:15:06,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/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_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/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_79a09c50-d09d-4986-9327-2961c8098aaf/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 63e52c6ed597b360be8d610315637cd01f70663a96d71e05022b1be99deb1d1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:15:08,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:15:09,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:15:09,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:15:09,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:15:09,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:15:09,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:15:09,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:15:09,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:15:09,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:15:09,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:15:09,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:15:09,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:15:09,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:15:09,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:15:09,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:15:09,099 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:15:09,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:15:09,101 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:15:09,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:15:09,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:15:09,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:15:09,103 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:09,103 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:15:09,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:15:09,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:09,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:15:09,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:15:09,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:15:09,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:15:09,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:09,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:15:09,107 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:15:09,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:15:09,108 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_79a09c50-d09d-4986-9327-2961c8098aaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e52c6ed597b360be8d610315637cd01f70663a96d71e05022b1be99deb1d1d [2023-12-03 01:15:09,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:15:09,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:15:09,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:15:09,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:15:09,426 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:15:09,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c [2023-12-03 01:15:12,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:15:12,851 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:15:12,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c [2023-12-03 01:15:12,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/dcf57706b/a63a62dd12994c6a9f673d44c1feac70/FLAG61bb435b4 [2023-12-03 01:15:12,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/data/dcf57706b/a63a62dd12994c6a9f673d44c1feac70 [2023-12-03 01:15:12,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:15:12,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:15:12,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:12,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:15:12,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:15:12,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:12" (1/1) ... [2023-12-03 01:15:12,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6309e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:12, skipping insertion in model container [2023-12-03 01:15:12,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:12" (1/1) ... [2023-12-03 01:15:13,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:15:13,534 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_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c[1246,1259] [2023-12-03 01:15:14,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:14,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:15:14,936 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_79a09c50-d09d-4986-9327-2961c8098aaf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal125.c[1246,1259] [2023-12-03 01:15:15,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:15,848 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:15:15,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15 WrapperNode [2023-12-03 01:15:15,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:15,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:15,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:15:15,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:15:15,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:16,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:16,708 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18763 [2023-12-03 01:15:16,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:16,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:15:16,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:15:16,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:15:16,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:16,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:16,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:16,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:15:17,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:15:17,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:15:17,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:15:17,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:15" (1/1) ... [2023-12-03 01:15:17,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:17,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:15:17,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:15:17,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:15:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:15:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:15:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:15:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:15:19,312 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:15:19,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:19:22,129 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:19:22,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:19:22,796 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:19:22,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:22 BoogieIcfgContainer [2023-12-03 01:19:22,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:19:22,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:19:22,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:19:22,806 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:19:22,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:22" (1/1) ... [2023-12-03 01:19:22,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:19:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:19:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:19:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:19:22,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:22,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:22,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:19:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:27,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:28,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:19:28,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:28,300 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 01:19:28,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:19:39,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:49,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:19:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:19:50,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:19:50,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:50,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:50,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:50,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:50,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:20:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:30,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:36,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 16023 conjuncts, 338 conjunts are in the unsatisfiable core [2023-12-03 01:20:36,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:43,861 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 01:20:43,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:20:57,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:11,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:21,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:31,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:44,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:56,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:06,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:08,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 01:22:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 01:22:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:22:08,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:08,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:08,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a09c50-d09d-4986-9327-2961c8098aaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process