./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-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_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/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_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/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_140342a1-b98b-4ad4-aa06-71359e2d059a/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 9e3f64c60ef9ea163123f40bba4ff45b6180547f24075f6bcea3c8fb494b6af3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:28:31,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:28:31,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:28:31,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:28:31,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:28:31,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:28:31,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:28:31,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:28:31,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:28:31,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:28:31,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:28:31,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:28:31,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:28:31,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:28:31,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:31,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:28:31,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:28:31,790 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_140342a1-b98b-4ad4-aa06-71359e2d059a/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 -> 9e3f64c60ef9ea163123f40bba4ff45b6180547f24075f6bcea3c8fb494b6af3 [2024-12-06 05:28:31,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:28:32,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:28:32,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:28:32,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:28:32,007 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:28:32,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c [2024-12-06 05:28:34,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/0cde55e0f/df0dacc2c38f42f5b4d40b5f10087aab/FLAG07e823601 [2024-12-06 05:28:34,892 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:28:34,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c [2024-12-06 05:28:34,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/0cde55e0f/df0dacc2c38f42f5b4d40b5f10087aab/FLAG07e823601 [2024-12-06 05:28:35,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/0cde55e0f/df0dacc2c38f42f5b4d40b5f10087aab [2024-12-06 05:28:35,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:28:35,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:28:35,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:35,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:28:35,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:28:35,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:35,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35feac61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35, skipping insertion in model container [2024-12-06 05:28:35,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:35,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:28:35,370 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_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c[1177,1190] [2024-12-06 05:28:35,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:35,625 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:28:35,634 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_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c[1177,1190] [2024-12-06 05:28:35,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:35,816 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:28:35,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35 WrapperNode [2024-12-06 05:28:35,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:35,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:35,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:28:35,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:28:35,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:35,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,321 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5690 [2024-12-06 05:28:36,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:36,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:28:36,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:28:36,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:28:36,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:28:36,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:28:36,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:28:36,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:28:36,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:35" (1/1) ... [2024-12-06 05:28:36,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:28:36,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:28:36,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:28:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:28:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:28:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:28:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:28:37,075 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:28:37,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:28:43,385 INFO L? ?]: Removed 3054 outVars from TransFormulas that were not future-live. [2024-12-06 05:28:43,386 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:28:50,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:28:50,211 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:28:50,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:50 BoogieIcfgContainer [2024-12-06 05:28:50,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:28:50,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:28:50,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:28:50,218 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:28:50,218 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:50" (1/1) ... [2024-12-06 05:28:50,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:28:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:28:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:28:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:28:50,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:29:03,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:29:13,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:29:17,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:19,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:29,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:38,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:29:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:29:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:29:38,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:30:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:30:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:30:31,657 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) [2024-12-06 05:30:31,661 INFO L158 Benchmark]: Toolchain (without parser) took 116479.06ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 114.4MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 390.8MB. Max. memory is 16.1GB. [2024-12-06 05:30:31,662 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:30:31,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.29ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 89.5MB in the end (delta: 24.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2024-12-06 05:30:31,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 504.61ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 89.5MB in the beginning and 131.9MB in the end (delta: -42.4MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2024-12-06 05:30:31,663 INFO L158 Benchmark]: Boogie Preprocessor took 371.56ms. Allocated memory is still 285.2MB. Free memory was 131.9MB in the beginning and 116.5MB in the end (delta: 15.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-12-06 05:30:31,664 INFO L158 Benchmark]: RCFGBuilder took 13516.58ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 116.5MB in the beginning and 493.5MB in the end (delta: -377.0MB). Peak memory consumption was 758.2MB. Max. memory is 16.1GB. [2024-12-06 05:30:31,664 INFO L158 Benchmark]: CodeCheck took 101448.47ms. Allocated memory was 1.1GB in the beginning and 2.4GB in the end (delta: 1.3GB). Free memory was 493.5MB in the beginning and 2.0GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:30:31,667 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.29ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 89.5MB in the end (delta: 24.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 504.61ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 89.5MB in the beginning and 131.9MB in the end (delta: -42.4MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 371.56ms. Allocated memory is still 285.2MB. Free memory was 131.9MB in the beginning and 116.5MB in the end (delta: 15.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13516.58ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 116.5MB in the beginning and 493.5MB in the end (delta: -377.0MB). Peak memory consumption was 758.2MB. Max. memory is 16.1GB. * CodeCheck took 101448.47ms. Allocated memory was 1.1GB in the beginning and 2.4GB in the end (delta: 1.3GB). Free memory was 493.5MB in the beginning and 2.0GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:30:31,876 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:30:31,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/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_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/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_140342a1-b98b-4ad4-aa06-71359e2d059a/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 9e3f64c60ef9ea163123f40bba4ff45b6180547f24075f6bcea3c8fb494b6af3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:30:33,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:30:33,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:30:33,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:30:33,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:30:33,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:30:33,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:30:33,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:30:33,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:30:33,801 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:30:33,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:30:33,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:30:33,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:33,802 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:30:33,803 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_140342a1-b98b-4ad4-aa06-71359e2d059a/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 -> 9e3f64c60ef9ea163123f40bba4ff45b6180547f24075f6bcea3c8fb494b6af3 [2024-12-06 05:30:34,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:30:34,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:30:34,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:30:34,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:30:34,032 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:30:34,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c [2024-12-06 05:30:36,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/40b3f6c20/2f52f828e7b446beb791f7522df03490/FLAG9ffe98773 [2024-12-06 05:30:36,980 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:30:36,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c [2024-12-06 05:30:36,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/40b3f6c20/2f52f828e7b446beb791f7522df03490/FLAG9ffe98773 [2024-12-06 05:30:37,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/data/40b3f6c20/2f52f828e7b446beb791f7522df03490 [2024-12-06 05:30:37,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:30:37,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:30:37,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:30:37,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:30:37,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:30:37,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618cc811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37, skipping insertion in model container [2024-12-06 05:30:37,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:30:37,217 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_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c[1177,1190] [2024-12-06 05:30:37,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:30:37,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:30:37,454 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_140342a1-b98b-4ad4-aa06-71359e2d059a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.5.prop1-back-serstep.c[1177,1190] [2024-12-06 05:30:37,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:30:37,565 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:30:37,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37 WrapperNode [2024-12-06 05:30:37,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:30:37,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:30:37,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:30:37,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:30:37,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,673 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1754 [2024-12-06 05:30:37,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:30:37,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:30:37,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:30:37,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:30:37,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,717 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:30:37,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:30:37,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:30:37,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:30:37,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:30:37" (1/1) ... [2024-12-06 05:30:37,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:30:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:30:37,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:30:37,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:30:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:30:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:30:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:30:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:30:38,091 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:30:38,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:30:40,113 INFO L? ?]: Removed 211 outVars from TransFormulas that were not future-live. [2024-12-06 05:30:40,113 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:30:40,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:30:40,174 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:30:40,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:30:40 BoogieIcfgContainer [2024-12-06 05:30:40,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:30:40,175 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:30:40,175 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:30:40,185 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:30:40,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:30:40" (1/1) ... [2024-12-06 05:30:40,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:30:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:30:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:30:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:30:40,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:40,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:40,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:30:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:40,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:40,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:30:40,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:30:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:30:41,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:30:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:30:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:30:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:30:41,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:41,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:41,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:41,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:41,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140342a1-b98b-4ad4-aa06-71359e2d059a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:30:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:42,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:42,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 05:30:42,736 INFO L279 TraceCheckSpWp]: Computing forward predicates...