./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:50,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:50,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:46:50,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:46:50,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:46:50,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:50,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:50,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:50,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:50,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:50,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:50,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:50,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:50,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:50,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:46:50,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:46:50,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-12-05 22:46:50,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:50,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:50,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:50,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:50,617 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:50,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-12-05 22:46:53,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/de2c10610/eda3b4b353b54ffdb8b2858a2636b289/FLAG28a4d7fab [2024-12-05 22:46:53,613 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:53,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-12-05 22:46:53,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/de2c10610/eda3b4b353b54ffdb8b2858a2636b289/FLAG28a4d7fab [2024-12-05 22:46:53,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/de2c10610/eda3b4b353b54ffdb8b2858a2636b289 [2024-12-05 22:46:53,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:53,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:53,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:53,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:53,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:53,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:53" (1/1) ... [2024-12-05 22:46:53,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcbdc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:53, skipping insertion in model container [2024-12-05 22:46:53,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:53" (1/1) ... [2024-12-05 22:46:53,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:53,857 WARN L250 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-12-05 22:46:54,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:54,153 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:54,162 WARN L250 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-12-05 22:46:54,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:54,329 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:54,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54 WrapperNode [2024-12-05 22:46:54,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:54,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:54,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:54,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:54,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:54,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:54,844 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6571 [2024-12-05 22:46:54,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:54,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:54,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:54,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:54,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:54,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,196 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:55,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:55,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:55,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:55,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:54" (1/1) ... [2024-12-05 22:46:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:55,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:55,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:46:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:55,818 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:55,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:47:03,078 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-12-05 22:47:03,078 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:47:10,734 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:47:10,735 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:47:10,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:10 BoogieIcfgContainer [2024-12-05 22:47:10,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:47:10,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:47:10,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:47:10,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:47:10,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:10" (1/1) ... [2024-12-05 22:47:10,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:47:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:47:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:47:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:47:10,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:24,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:34,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:40,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:46,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:52,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:47:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:47:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:47:52,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:49:03,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:50:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:50:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:50:28,882 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:485) 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) [2024-12-05 22:50:28,887 INFO L158 Benchmark]: Toolchain (without parser) took 215240.57ms. Allocated memory was 142.6MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 116.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-12-05 22:50:28,887 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:28,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.10ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 81.4MB in the end (delta: 34.5MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-12-05 22:50:28,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 513.79ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 81.4MB in the beginning and 261.9MB in the end (delta: -180.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:28,889 INFO L158 Benchmark]: Boogie Preprocessor took 565.71ms. Allocated memory is still 427.8MB. Free memory was 261.9MB in the beginning and 253.2MB in the end (delta: 8.7MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2024-12-05 22:50:28,889 INFO L158 Benchmark]: RCFGBuilder took 15324.39ms. Allocated memory was 427.8MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 253.2MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 997.3MB. Max. memory is 16.1GB. [2024-12-05 22:50:28,890 INFO L158 Benchmark]: CodeCheck took 198150.50ms. Allocated memory was 2.6GB in the beginning and 3.9GB in the end (delta: 1.3GB). Free memory was 2.1GB in the beginning and 1.1GB in the end (delta: 927.6MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-05 22:50:28,892 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.10ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 81.4MB in the end (delta: 34.5MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 513.79ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 81.4MB in the beginning and 261.9MB in the end (delta: -180.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 565.71ms. Allocated memory is still 427.8MB. Free memory was 261.9MB in the beginning and 253.2MB in the end (delta: 8.7MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * RCFGBuilder took 15324.39ms. Allocated memory was 427.8MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 253.2MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 997.3MB. Max. memory is 16.1GB. * CodeCheck took 198150.50ms. Allocated memory was 2.6GB in the beginning and 3.9GB in the end (delta: 1.3GB). Free memory was 2.1GB in the beginning and 1.1GB in the end (delta: 927.6MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:50:28,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:50:31,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:50:31,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:50:31,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:50:31,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:50:31,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:50:31,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:50:31,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:50:31,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:50:31,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:50:31,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:50:31,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:50:31,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:50:31,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:50:31,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:31,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:50:31,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:50:31,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:50:31,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:31,144 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:50:31,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-12-05 22:50:31,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:50:31,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:50:31,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:50:31,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:50:31,383 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:50:31,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-12-05 22:50:34,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/37e39b33a/84323e11f0324e8d8d0673a32bd9d263/FLAG2f3591d9d [2024-12-05 22:50:34,391 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:50:34,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-12-05 22:50:34,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/37e39b33a/84323e11f0324e8d8d0673a32bd9d263/FLAG2f3591d9d [2024-12-05 22:50:34,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/data/37e39b33a/84323e11f0324e8d8d0673a32bd9d263 [2024-12-05 22:50:34,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:50:34,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:50:34,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:34,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:50:34,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:50:34,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:34,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3a643c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34, skipping insertion in model container [2024-12-05 22:50:34,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:34,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:50:34,601 WARN L250 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-12-05 22:50:34,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:34,855 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:50:34,862 WARN L250 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_0286b236-a637-40eb-9fc3-0bf24a9aa14a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-12-05 22:50:34,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:34,973 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:50:34,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34 WrapperNode [2024-12-05 22:50:34,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:34,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:34,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:50:34,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:50:34,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,085 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1819 [2024-12-05 22:50:35,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:35,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:50:35,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:50:35,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:50:35,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:50:35,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:50:35,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:50:35,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:50:35,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:34" (1/1) ... [2024-12-05 22:50:35,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:50:35,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:50:35,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:50:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:50:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:50:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:50:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:50:35,517 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:50:35,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:50:37,328 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-12-05 22:50:37,328 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:50:37,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:50:37,370 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:50:37,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:37 BoogieIcfgContainer [2024-12-05 22:50:37,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:50:37,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:50:37,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:50:37,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:50:37,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:37" (1/1) ... [2024-12-05 22:50:37,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:50:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:50:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:50:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:50:37,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:37,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:37,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:37,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:50:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:38,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:38,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:50:38,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:38,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:50:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:50:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:50:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:50:38,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:38,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:38,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:38,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:38,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0286b236-a637-40eb-9fc3-0bf24a9aa14a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:50:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:39,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:39,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:50:39,768 INFO L279 TraceCheckSpWp]: Computing forward predicates...