./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.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_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/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_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/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_46bb2788-250e-45ff-bc3a-093069887ae2/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 3ab3dcd6bf49d000e934366d8291851cbb09526533f802d3f36eddafdf23a81c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:19:38,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:19:38,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:19:38,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:19:38,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:19:38,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:19:38,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:19:38,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:19:38,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:19:38,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:19:38,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:19:38,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:19:38,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:19:38,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:19:38,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:19:38,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:19:38,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:19:38,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:19:38,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:19:38,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:19:38,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:19:38,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:19:38,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:19:38,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:19:38,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:19:38,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:19:38,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:19:38,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:19:38,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:19:38,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:19:38,931 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_46bb2788-250e-45ff-bc3a-093069887ae2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab3dcd6bf49d000e934366d8291851cbb09526533f802d3f36eddafdf23a81c [2023-12-03 02:19:39,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:19:39,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:19:39,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:19:39,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:19:39,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:19:39,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c [2023-12-03 02:19:41,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:19:42,422 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:19:42,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c [2023-12-03 02:19:42,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/4f6c354c9/9715a82cdc464f6dbe08bafa01f44a11/FLAGc03241663 [2023-12-03 02:19:42,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/4f6c354c9/9715a82cdc464f6dbe08bafa01f44a11 [2023-12-03 02:19:42,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:19:42,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:19:42,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:19:42,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:19:42,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:19:42,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:19:42" (1/1) ... [2023-12-03 02:19:42,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b86246f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:42, skipping insertion in model container [2023-12-03 02:19:42,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:19:42" (1/1) ... [2023-12-03 02:19:42,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:19:42,977 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_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c[1179,1192] [2023-12-03 02:19:44,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:19:44,187 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:19:44,197 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_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c[1179,1192] [2023-12-03 02:19:45,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:19:45,095 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:19:45,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45 WrapperNode [2023-12-03 02:19:45,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:19:45,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:19:45,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:19:45,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:19:45,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:45,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:48,210 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49778 [2023-12-03 02:19:48,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:19:48,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:19:48,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:19:48,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:19:48,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:48,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:48,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:48,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:49,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:49,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:50,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:50,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:50,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:19:50,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:19:50,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:19:50,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:19:50,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:19:45" (1/1) ... [2023-12-03 02:19:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:19:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:19:50,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:19:50,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:19:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:19:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:19:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:19:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:19:52,901 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:19:52,904 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:20:14,985 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:22:24,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:22:24,587 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:22:24,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:24 BoogieIcfgContainer [2023-12-03 02:22:24,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:22:24,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:22:24,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:22:24,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:22:24,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:24" (1/1) ... [2023-12-03 02:22:24,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:22:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:22:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:22:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:22:24,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:33,997 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 02:22:47,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:22:58,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:22:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 02:22:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 02:22:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:22:59,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:59,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:23:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:23:17,225 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 02:23:17,229 INFO L158 Benchmark]: Toolchain (without parser) took 214743.80ms. Allocated memory was 138.4MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 78.7MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2023-12-03 02:23:17,229 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:23:17,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2609.98ms. Allocated memory was 138.4MB in the beginning and 480.2MB in the end (delta: 341.8MB). Free memory was 78.3MB in the beginning and 194.6MB in the end (delta: -116.2MB). Peak memory consumption was 231.0MB. Max. memory is 16.1GB. [2023-12-03 02:23:17,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 3113.55ms. Allocated memory was 480.2MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 194.6MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 614.8MB. Max. memory is 16.1GB. [2023-12-03 02:23:17,232 INFO L158 Benchmark]: Boogie Preprocessor took 2719.70ms. Allocated memory was 2.8GB in the beginning and 8.1GB in the end (delta: 5.3GB). Free memory was 2.0GB in the beginning and 7.1GB in the end (delta: -5.0GB). Peak memory consumption was 304.1MB. Max. memory is 16.1GB. [2023-12-03 02:23:17,233 INFO L158 Benchmark]: RCFGBuilder took 153657.51ms. Allocated memory was 8.1GB in the beginning and 14.1GB in the end (delta: 5.9GB). Free memory was 7.1GB in the beginning and 11.1GB in the end (delta: -4.0GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. [2023-12-03 02:23:17,234 INFO L158 Benchmark]: CodeCheck took 52638.20ms. Allocated memory is still 14.1GB. Free memory was 11.1GB in the beginning and 10.7GB in the end (delta: 363.0MB). Peak memory consumption was 662.7MB. Max. memory is 16.1GB. [2023-12-03 02:23:17,238 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 0.19ms. Allocated memory is still 138.4MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2609.98ms. Allocated memory was 138.4MB in the beginning and 480.2MB in the end (delta: 341.8MB). Free memory was 78.3MB in the beginning and 194.6MB in the end (delta: -116.2MB). Peak memory consumption was 231.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3113.55ms. Allocated memory was 480.2MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 194.6MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 614.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2719.70ms. Allocated memory was 2.8GB in the beginning and 8.1GB in the end (delta: 5.3GB). Free memory was 2.0GB in the beginning and 7.1GB in the end (delta: -5.0GB). Peak memory consumption was 304.1MB. Max. memory is 16.1GB. * RCFGBuilder took 153657.51ms. Allocated memory was 8.1GB in the beginning and 14.1GB in the end (delta: 5.9GB). Free memory was 7.1GB in the beginning and 11.1GB in the end (delta: -4.0GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. * CodeCheck took 52638.20ms. Allocated memory is still 14.1GB. Free memory was 11.1GB in the beginning and 10.7GB in the end (delta: 363.0MB). Peak memory consumption was 662.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:23:17,450 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:23:17,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/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_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/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_46bb2788-250e-45ff-bc3a-093069887ae2/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 3ab3dcd6bf49d000e934366d8291851cbb09526533f802d3f36eddafdf23a81c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:23:19,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:23:19,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:23:19,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:23:19,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:23:19,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:23:19,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:23:19,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:23:19,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:23:19,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:23:19,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:23:19,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:23:19,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:23:19,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:23:19,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:23:19,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:23:19,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:23:19,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:23:19,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:23:19,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:23:19,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:23:19,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:23:19,950 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:19,950 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:23:19,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:23:19,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:19,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:23:19,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:23:19,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:23:19,953 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:23:19,953 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:19,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:23:19,954 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:23:19,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:23:19,955 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_46bb2788-250e-45ff-bc3a-093069887ae2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab3dcd6bf49d000e934366d8291851cbb09526533f802d3f36eddafdf23a81c [2023-12-03 02:23:20,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:23:20,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:23:20,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:23:20,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:23:20,286 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:23:20,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c [2023-12-03 02:23:23,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:23:23,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:23:23,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c [2023-12-03 02:23:23,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/7a6b4d45d/e1948cbcd6ca44bbba4ef7d6af15210e/FLAGe99ecde10 [2023-12-03 02:23:23,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/data/7a6b4d45d/e1948cbcd6ca44bbba4ef7d6af15210e [2023-12-03 02:23:23,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:23:23,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:23:23,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:23,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:23:23,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:23:23,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:23" (1/1) ... [2023-12-03 02:23:23,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7660d71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:23, skipping insertion in model container [2023-12-03 02:23:23,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:23" (1/1) ... [2023-12-03 02:23:23,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:23:24,144 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_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c[1179,1192] [2023-12-03 02:23:25,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:25,075 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:23:25,087 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_46bb2788-250e-45ff-bc3a-093069887ae2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-func-interl.c[1179,1192] [2023-12-03 02:23:25,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:25,910 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:23:25,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25 WrapperNode [2023-12-03 02:23:25,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:25,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:25,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:23:25,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:23:25,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,414 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13748 [2023-12-03 02:23:26,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:26,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:23:26,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:23:26,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:23:26,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:23:26,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:23:26,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:23:26,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:23:26,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:23:26,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:23:27,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:23:27,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:23:28,535 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:23:28,537 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:24:53,450 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:24:53,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:24:53,905 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:24:53,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:53 BoogieIcfgContainer [2023-12-03 02:24:53,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:24:53,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:24:53,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:24:53,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:24:53,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:53" (1/1) ... [2023-12-03 02:24:53,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:24:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:24:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:24:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:24:53,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:53,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:53,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:53,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:24:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:56,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:57,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:24:57,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:57,618 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 02:24:57,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:25:05,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.93s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:25:06,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:25:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:25:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:25:06,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:06,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:06,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:06,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:06,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:25:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:15,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:18,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 11576 conjuncts, 287 conjunts are in the unsatisfiable core [2023-12-03 02:25:18,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:31,919 WARN L293 SmtUtils]: Spent 47.49s on a formula simplification. DAG size of input: 1569 DAG size of output: 891 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:26:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:26:32,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:26:43,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.85s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:26:55,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:27:12,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:27:14,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:27:16,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:27:31,864 WARN L293 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 893 DAG size of output: 586 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:28:01,012 WARN L293 SmtUtils]: Spent 9.73s on a formula simplification that was a NOOP. DAG size: 892 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:28:22,117 WARN L293 SmtUtils]: Spent 14.45s on a formula simplification. DAG size of input: 895 DAG size of output: 589 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:28:48,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:13,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.66s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:17,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:19,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 02:29:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 02:29:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:29:21,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:21,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:21,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:21,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:21,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bb2788-250e-45ff-bc3a-093069887ae2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:29:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:40,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:47,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 22675 conjuncts, 691 conjunts are in the unsatisfiable core [2023-12-03 02:29:47,769 INFO L285 TraceCheckSpWp]: Computing forward predicates...