./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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 a691c8b02c828ed1f0ad1fe94cb4c29971c1b5d424734a2b3a0d93cff1245e74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:36:57,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:36:57,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:36:57,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:36:57,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:36:57,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:36:57,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:36:57,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:36:57,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:36:57,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:36:57,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:36:57,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:36:57,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:36:57,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:36:57,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:36:57,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:36:57,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:36:57,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:36:57,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:36:57,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:36:57,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:36:57,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:36:57,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:36:57,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:36:57,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:36:57,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:36:57,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:36:57,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:36:57,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:36:57,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:36:57,126 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a691c8b02c828ed1f0ad1fe94cb4c29971c1b5d424734a2b3a0d93cff1245e74 [2023-12-02 22:36:57,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:36:57,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:36:57,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:36:57,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:36:57,421 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:36:57,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-02 22:37:00,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:37:00,842 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:37:00,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-02 22:37:00,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/75e57fe8b/7f3f0a0bc6a14d9aa91c8fd730fb028f/FLAGe4c51daa1 [2023-12-02 22:37:00,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/75e57fe8b/7f3f0a0bc6a14d9aa91c8fd730fb028f [2023-12-02 22:37:00,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:37:00,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:37:00,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:00,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:37:00,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:37:00,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:00" (1/1) ... [2023-12-02 22:37:00,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b142e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:00, skipping insertion in model container [2023-12-02 22:37:00,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:00" (1/1) ... [2023-12-02 22:37:01,203 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:01,605 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-02 22:37:03,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:03,335 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:37:03,349 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-02 22:37:04,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:04,653 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:37:04,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04 WrapperNode [2023-12-02 22:37:04,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:04,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:04,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:37:04,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:37:04,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:04,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:08,498 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57410 [2023-12-02 22:37:08,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:08,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:37:08,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:37:08,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:37:08,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:08,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:09,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:09,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:10,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:10,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:10,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:10,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:11,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:37:11,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:37:11,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:37:11,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:37:11,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:04" (1/1) ... [2023-12-02 22:37:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:11,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:37:11,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:37:11,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:37:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:37:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:37:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:37:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:37:14,098 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:37:14,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:38:00,952 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:40:51,241 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:40:51,242 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:40:51,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:51 BoogieIcfgContainer [2023-12-02 22:40:51,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:40:51,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:40:51,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:40:51,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:40:51,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:51" (1/1) ... [2023-12-02 22:40:51,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:40:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:40:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:40:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:40:51,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:51,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:41:03,400 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:41:03,404 INFO L158 Benchmark]: Toolchain (without parser) took 242471.95ms. Allocated memory was 169.9MB in the beginning and 14.6GB in the end (delta: 14.5GB). Free memory was 113.3MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2023-12-02 22:41:03,405 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:03,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3720.76ms. Allocated memory was 169.9MB in the beginning and 572.5MB in the end (delta: 402.7MB). Free memory was 112.5MB in the beginning and 239.4MB in the end (delta: -126.9MB). Peak memory consumption was 320.6MB. Max. memory is 16.1GB. [2023-12-02 22:41:03,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 3843.99ms. Allocated memory was 572.5MB in the beginning and 4.3GB in the end (delta: 3.7GB). Free memory was 239.4MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 762.3MB. Max. memory is 16.1GB. [2023-12-02 22:41:03,408 INFO L158 Benchmark]: Boogie Preprocessor took 3278.45ms. Allocated memory is still 4.3GB. Free memory was 3.3GB in the beginning and 3.0GB in the end (delta: 305.1MB). Peak memory consumption was 441.5MB. Max. memory is 16.1GB. [2023-12-02 22:41:03,408 INFO L158 Benchmark]: RCFGBuilder took 219465.44ms. Allocated memory was 4.3GB in the beginning and 14.6GB in the end (delta: 10.3GB). Free memory was 3.0GB in the beginning and 11.2GB in the end (delta: -8.2GB). Peak memory consumption was 4.6GB. Max. memory is 16.1GB. [2023-12-02 22:41:03,409 INFO L158 Benchmark]: CodeCheck took 12157.45ms. Allocated memory is still 14.6GB. Free memory was 11.2GB in the beginning and 10.9GB in the end (delta: 292.7MB). Peak memory consumption was 291.5MB. Max. memory is 16.1GB. [2023-12-02 22:41:03,414 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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3720.76ms. Allocated memory was 169.9MB in the beginning and 572.5MB in the end (delta: 402.7MB). Free memory was 112.5MB in the beginning and 239.4MB in the end (delta: -126.9MB). Peak memory consumption was 320.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3843.99ms. Allocated memory was 572.5MB in the beginning and 4.3GB in the end (delta: 3.7GB). Free memory was 239.4MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 762.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3278.45ms. Allocated memory is still 4.3GB. Free memory was 3.3GB in the beginning and 3.0GB in the end (delta: 305.1MB). Peak memory consumption was 441.5MB. Max. memory is 16.1GB. * RCFGBuilder took 219465.44ms. Allocated memory was 4.3GB in the beginning and 14.6GB in the end (delta: 10.3GB). Free memory was 3.0GB in the beginning and 11.2GB in the end (delta: -8.2GB). Peak memory consumption was 4.6GB. Max. memory is 16.1GB. * CodeCheck took 12157.45ms. Allocated memory is still 14.6GB. Free memory was 11.2GB in the beginning and 10.9GB in the end (delta: 292.7MB). Peak memory consumption was 291.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:41:03,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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 a691c8b02c828ed1f0ad1fe94cb4c29971c1b5d424734a2b3a0d93cff1245e74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:41:06,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:41:06,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:41:06,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:41:06,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:41:06,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:41:06,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:41:06,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:41:06,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:41:06,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:41:06,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:41:06,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:41:06,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:41:06,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:41:06,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:41:06,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:41:06,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:41:06,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:41:06,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:41:06,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:41:06,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:41:06,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:41:06,212 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:06,213 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:41:06,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:41:06,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:41:06,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:41:06,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:41:06,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:41:06,216 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:41:06,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:06,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:41:06,217 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:41:06,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:41:06,218 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a691c8b02c828ed1f0ad1fe94cb4c29971c1b5d424734a2b3a0d93cff1245e74 [2023-12-02 22:41:06,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:41:06,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:41:06,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:41:06,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:41:06,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:41:06,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-02 22:41:09,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:41:09,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:41:09,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c [2023-12-02 22:41:10,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/420abb308/37f8b50fab044dae9552010838928860/FLAGd90e2774b [2023-12-02 22:41:10,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/data/420abb308/37f8b50fab044dae9552010838928860 [2023-12-02 22:41:10,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:41:10,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:41:10,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:41:10,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:41:10,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:41:10,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:10" (1/1) ... [2023-12-02 22:41:10,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1a01c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:10, skipping insertion in model container [2023-12-02 22:41:10,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:10" (1/1) ... [2023-12-02 22:41:10,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:41:10,621 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-02 22:41:11,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:41:11,964 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:41:11,977 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_8ae57250-a7e7-4790-834e-e3b08aafc6c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal100.c[1246,1259] [2023-12-02 22:41:13,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:41:13,064 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:41:13,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13 WrapperNode [2023-12-02 22:41:13,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:41:13,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:41:13,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:41:13,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:41:13,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:13,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:13,913 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18627 [2023-12-02 22:41:13,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:41:13,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:41:13,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:41:13,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:41:13,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:13,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:41:14,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:41:14,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:41:14,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:41:14,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:13" (1/1) ... [2023-12-02 22:41:14,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:41:14,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:41:14,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:41:14,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:41:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:41:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:41:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:41:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:41:16,588 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:41:16,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:44:30,439 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:44:31,456 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:44:31,457 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:44:31,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:31 BoogieIcfgContainer [2023-12-02 22:44:31,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:44:31,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:44:31,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:44:31,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:44:31,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:31" (1/1) ... [2023-12-02 22:44:31,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:44:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:44:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:44:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:44:31,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:31,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:31,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:31,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:31,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:44:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:35,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:36,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:44:36,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:44:36,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:47,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:44:57,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:44:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:44:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:44:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:44:58,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:58,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:58,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:58,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:58,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:46:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:09,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:15,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 15821 conjuncts, 232 conjunts are in the unsatisfiable core [2023-12-02 22:46:15,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:46:20,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:46:33,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:47,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:57,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:07,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:20,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:22,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:32,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:42,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:43,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 22:47:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 22:47:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:47:43,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:43,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:43,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:43,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae57250-a7e7-4790-834e-e3b08aafc6c2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process