./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.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_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/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_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/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_bdbc919a-766c-4a8f-93c1-23363ec0d606/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 151f916d19a45d79e91e721154cb14124efb0c8a2e3cc9bfc6435e43f742a3b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:17:01,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:17:01,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:17:01,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:17:01,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:17:01,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:17:01,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:17:01,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:17:01,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:17:01,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:17:01,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:17:01,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:17:01,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:17:01,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:17:01,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:17:01,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:17:01,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:17:01,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:17:01,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:17:01,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:17:01,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:17:01,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:17:01,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:17:01,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:01,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:17:01,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:17:01,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:17:01,595 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:17:01,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:17:01,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:17:01,596 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 151f916d19a45d79e91e721154cb14124efb0c8a2e3cc9bfc6435e43f742a3b0 [2023-12-02 23:17:01,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:17:01,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:17:01,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:17:01,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:17:01,819 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:17:01,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c [2023-12-02 23:17:04,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:17:05,072 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:17:05,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c [2023-12-02 23:17:05,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/3a604a6ee/006a76cf967943089a4a4cf412434211/FLAG95172e65a [2023-12-02 23:17:05,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/3a604a6ee/006a76cf967943089a4a4cf412434211 [2023-12-02 23:17:05,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:17:05,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:17:05,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:05,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:17:05,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:17:05,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:05" (1/1) ... [2023-12-02 23:17:05,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@827c11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:05, skipping insertion in model container [2023-12-02 23:17:05,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:05" (1/1) ... [2023-12-02 23:17:05,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:17:05,562 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c[1179,1192] [2023-12-02 23:17:06,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:06,920 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:17:06,929 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c[1179,1192] [2023-12-02 23:17:07,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:07,907 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:17:07,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07 WrapperNode [2023-12-02 23:17:07,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:07,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:07,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:17:07,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:17:07,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:08,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:11,262 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49602 [2023-12-02 23:17:11,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:11,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:17:11,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:17:11,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:17:11,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:11,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:12,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:12,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:12,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:12,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:13,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:13,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:13,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:17:13,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:17:13,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:17:13,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:17:13,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:17:13,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:17:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:17:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:17:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:17:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:17:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:17:15,790 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:17:15,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:17:37,203 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:51,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:51,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:19:51,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:51 BoogieIcfgContainer [2023-12-02 23:19:51,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:51,471 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:51,471 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:51,479 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:51,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:51" (1/1) ... [2023-12-02 23:19:51,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:19:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:19:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:19:51,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:15,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:20:25,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:20:26,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:20:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:20:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:20:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:20:27,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:20:45,319 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:20:45,323 INFO L158 Benchmark]: Toolchain (without parser) took 220186.37ms. Allocated memory was 151.0MB in the beginning and 13.4GB in the end (delta: 13.2GB). Free memory was 92.5MB in the beginning and 10.0GB in the end (delta: -9.9GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-02 23:20:45,323 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:20:45,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2771.18ms. Allocated memory was 151.0MB in the beginning and 417.3MB in the end (delta: 266.3MB). Free memory was 92.5MB in the beginning and 174.7MB in the end (delta: -82.3MB). Peak memory consumption was 241.6MB. Max. memory is 16.1GB. [2023-12-02 23:20:45,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 3353.83ms. Allocated memory was 417.3MB in the beginning and 2.9GB in the end (delta: 2.4GB). Free memory was 174.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 636.8MB. Max. memory is 16.1GB. [2023-12-02 23:20:45,326 INFO L158 Benchmark]: Boogie Preprocessor took 2669.53ms. Allocated memory was 2.9GB in the beginning and 8.2GB in the end (delta: 5.3GB). Free memory was 2.1GB in the beginning and 7.1GB in the end (delta: -5.0GB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. [2023-12-02 23:20:45,327 INFO L158 Benchmark]: RCFGBuilder took 157536.44ms. Allocated memory was 8.2GB in the beginning and 13.2GB in the end (delta: 5.0GB). Free memory was 7.1GB in the beginning and 10.0GB in the end (delta: -2.9GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2023-12-02 23:20:45,328 INFO L158 Benchmark]: CodeCheck took 53850.50ms. Allocated memory was 13.2GB in the beginning and 13.4GB in the end (delta: 230.7MB). Free memory was 10.0GB in the beginning and 10.0GB in the end (delta: -39.3MB). Peak memory consumption was 394.8MB. Max. memory is 16.1GB. [2023-12-02 23:20:45,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2771.18ms. Allocated memory was 151.0MB in the beginning and 417.3MB in the end (delta: 266.3MB). Free memory was 92.5MB in the beginning and 174.7MB in the end (delta: -82.3MB). Peak memory consumption was 241.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3353.83ms. Allocated memory was 417.3MB in the beginning and 2.9GB in the end (delta: 2.4GB). Free memory was 174.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 636.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2669.53ms. Allocated memory was 2.9GB in the beginning and 8.2GB in the end (delta: 5.3GB). Free memory was 2.1GB in the beginning and 7.1GB in the end (delta: -5.0GB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. * RCFGBuilder took 157536.44ms. Allocated memory was 8.2GB in the beginning and 13.2GB in the end (delta: 5.0GB). Free memory was 7.1GB in the beginning and 10.0GB in the end (delta: -2.9GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * CodeCheck took 53850.50ms. Allocated memory was 13.2GB in the beginning and 13.4GB in the end (delta: 230.7MB). Free memory was 10.0GB in the beginning and 10.0GB in the end (delta: -39.3MB). Peak memory consumption was 394.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:20:45,547 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:20:45,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/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_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/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_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/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_bdbc919a-766c-4a8f-93c1-23363ec0d606/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 151f916d19a45d79e91e721154cb14124efb0c8a2e3cc9bfc6435e43f742a3b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:20:47,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:20:47,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:20:47,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:20:47,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:20:47,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:20:47,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:20:47,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:20:47,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:20:47,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:20:47,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:20:47,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:20:47,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:20:47,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:20:47,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:20:47,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:20:47,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:20:47,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:20:47,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:20:47,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:20:47,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:20:47,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:20:47,959 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:47,959 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:47,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:20:47,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:47,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:20:47,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:20:47,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:20:47,962 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:20:47,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:47,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:20:47,963 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:20:47,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:47,964 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 151f916d19a45d79e91e721154cb14124efb0c8a2e3cc9bfc6435e43f742a3b0 [2023-12-02 23:20:48,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:20:48,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:20:48,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:20:48,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:20:48,272 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:20:48,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c [2023-12-02 23:20:50,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:20:51,497 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:20:51,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c [2023-12-02 23:20:51,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/da3399a58/52abe3e2c3004f08b2979de6e051dad2/FLAG981c79ef5 [2023-12-02 23:20:51,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/data/da3399a58/52abe3e2c3004f08b2979de6e051dad2 [2023-12-02 23:20:51,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:20:51,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:20:51,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:51,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:20:51,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:20:51,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:51" (1/1) ... [2023-12-02 23:20:51,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b48677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:51, skipping insertion in model container [2023-12-02 23:20:51,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:51" (1/1) ... [2023-12-02 23:20:51,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:20:52,102 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c[1179,1192] [2023-12-02 23:20:53,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:53,060 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:20:53,073 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_bdbc919a-766c-4a8f-93c1-23363ec0d606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop5-func-interl.c[1179,1192] [2023-12-02 23:20:53,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:53,777 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:20:53,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53 WrapperNode [2023-12-02 23:20:53,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:53,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:53,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:20:53,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:20:53,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:53,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,290 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13682 [2023-12-02 23:20:54,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:54,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:20:54,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:20:54,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:20:54,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:54,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:20:54,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:20:54,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:20:54,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:20:54,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:55,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:55,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:20:55,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:20:55,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:20:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:20:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:20:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:20:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:20:56,586 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:20:56,588 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:15,136 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:15,622 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:15,622 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:22:15,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:15 BoogieIcfgContainer [2023-12-02 23:22:15,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:15,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:15,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:15,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:15,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:15" (1/1) ... [2023-12-02 23:22:15,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:22:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:22:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:22:15,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:15,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:15,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:15,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:22:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:19,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:22:19,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:19,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:22:30,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:22:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:22:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:22:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:22:30,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:30,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:30,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:30,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:22:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:39,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:43,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 11518 conjuncts, 287 conjunts are in the unsatisfiable core [2023-12-02 23:22:43,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:33,862 WARN L293 SmtUtils]: Spent 25.09s on a formula simplification. DAG size of input: 1569 DAG size of output: 921 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:23:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:34,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:23:45,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:53,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:09,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:24:10,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:24:13,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:24:28,162 WARN L293 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 923 DAG size of output: 586 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:24:59,530 WARN L293 SmtUtils]: Spent 9.24s on a formula simplification that was a NOOP. DAG size: 922 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:25:20,213 WARN L293 SmtUtils]: Spent 14.45s on a formula simplification. DAG size of input: 925 DAG size of output: 589 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:25:45,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:09,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.30s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:11,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:26:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 23:26:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 23:26:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:26:13,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:13,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:26:13,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:26:13,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:26:13,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbc919a-766c-4a8f-93c1-23363ec0d606/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:26:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:30,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:26:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:37,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 22563 conjuncts, 692 conjunts are in the unsatisfiable core [2023-12-02 23:26:37,263 INFO L285 TraceCheckSpWp]: Computing forward predicates...