./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.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_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/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_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/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_8cde61be-d95f-4081-9567-97799299fb44/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 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:25:52,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:25:52,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:25:52,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:25:52,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:25:52,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:25:52,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:25:52,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:25:52,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:25:52,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:25:52,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:25:52,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:25:52,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:25:52,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:25:52,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:25:52,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:25:52,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:25:52,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:25:52,645 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_8cde61be-d95f-4081-9567-97799299fb44/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 -> 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 [2024-12-05 22:25:52,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:25:52,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:25:52,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:25:52,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:25:52,859 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:25:52,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-12-05 22:25:55,465 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/207f4e1ae/3e64511b9212433781868aa5340d112e/FLAGbff6a7a31 [2024-12-05 22:25:55,746 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:25:55,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-12-05 22:25:55,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/207f4e1ae/3e64511b9212433781868aa5340d112e/FLAGbff6a7a31 [2024-12-05 22:25:56,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/207f4e1ae/3e64511b9212433781868aa5340d112e [2024-12-05 22:25:56,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:25:56,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:25:56,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:25:56,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:25:56,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:25:56,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fc25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56, skipping insertion in model container [2024-12-05 22:25:56,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:25:56,222 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_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-12-05 22:25:56,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:25:56,439 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:25:56,449 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_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-12-05 22:25:56,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:25:56,559 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:25:56,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56 WrapperNode [2024-12-05 22:25:56,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:25:56,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:25:56,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:25:56,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:25:56,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,825 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2807 [2024-12-05 22:25:56,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:25:56,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:25:56,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:25:56,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:25:56,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:56,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:57,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:57,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:57,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:57,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:25:57,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:25:57,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:25:57,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:25:57,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:25:56" (1/1) ... [2024-12-05 22:25:57,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:25:57,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:25:57,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:25:57,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:25:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:25:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:25:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:25:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:25:57,377 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:25:57,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:26:00,249 INFO L? ?]: Removed 1697 outVars from TransFormulas that were not future-live. [2024-12-05 22:26:00,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:26:03,883 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:26:03,883 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:26:03,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:03 BoogieIcfgContainer [2024-12-05 22:26:03,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:26:03,885 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:26:03,885 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:26:03,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:26:03,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:03,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:26:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:26:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:26:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:26:03,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:03,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:05,236 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 22:26:15,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:26:25,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:26:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:26:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:26:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:26:26,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:26:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:26:57,883 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 22:26:57,886 INFO L158 Benchmark]: Toolchain (without parser) took 61859.02ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 116.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,886 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:26:57,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.01ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 68.8MB in the end (delta: 47.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 264.63ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 54.4MB in the end (delta: 14.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,887 INFO L158 Benchmark]: Boogie Preprocessor took 246.63ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 65.4MB in the end (delta: -11.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,888 INFO L158 Benchmark]: RCFGBuilder took 6810.48ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 65.4MB in the beginning and 132.3MB in the end (delta: -66.9MB). Peak memory consumption was 280.8MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,888 INFO L158 Benchmark]: CodeCheck took 54000.82ms. Allocated memory was 394.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 132.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 185.5MB. Max. memory is 16.1GB. [2024-12-05 22:26:57,890 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.01ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 68.8MB in the end (delta: 47.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 264.63ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 54.4MB in the end (delta: 14.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 246.63ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 65.4MB in the end (delta: -11.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6810.48ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 65.4MB in the beginning and 132.3MB in the end (delta: -66.9MB). Peak memory consumption was 280.8MB. Max. memory is 16.1GB. * CodeCheck took 54000.82ms. Allocated memory was 394.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 132.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 185.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:26:58,096 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:26:58,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/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_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/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_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/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_8cde61be-d95f-4081-9567-97799299fb44/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 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:26:59,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:26:59,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:26:59,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:26:59,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:26:59,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:26:59,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:26:59,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:26:59,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:26:59,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:26:59,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:26:59,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:26:59,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:26:59,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:26:59,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:26:59,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:59,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:59,968 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:26:59,968 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_8cde61be-d95f-4081-9567-97799299fb44/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 -> 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 [2024-12-05 22:27:00,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:27:00,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:27:00,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:27:00,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:27:00,198 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:27:00,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-12-05 22:27:02,894 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/7e9d743ad/6ae593bcbfe347a5be3d81849333854e/FLAG48b222839 [2024-12-05 22:27:03,125 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:27:03,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-12-05 22:27:03,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/7e9d743ad/6ae593bcbfe347a5be3d81849333854e/FLAG48b222839 [2024-12-05 22:27:03,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/data/7e9d743ad/6ae593bcbfe347a5be3d81849333854e [2024-12-05 22:27:03,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:27:03,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:27:03,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:27:03,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:27:03,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:27:03,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba48b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03, skipping insertion in model container [2024-12-05 22:27:03,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:27:03,345 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_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-12-05 22:27:03,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:27:03,534 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:27:03,544 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_8cde61be-d95f-4081-9567-97799299fb44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-12-05 22:27:03,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:27:03,646 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:27:03,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03 WrapperNode [2024-12-05 22:27:03,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:27:03,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:27:03,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:27:03,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:27:03,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,729 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1191 [2024-12-05 22:27:03,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:27:03,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:27:03,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:27:03,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:27:03,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:27:03,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:27:03,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:27:03,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:27:03,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:27:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:27:03,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:27:03,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:27:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:27:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:27:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:27:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:27:04,104 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:27:04,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:27:05,683 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-12-05 22:27:05,683 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:27:05,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:27:05,732 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:27:05,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:05 BoogieIcfgContainer [2024-12-05 22:27:05,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:27:05,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:27:05,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:27:05,743 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:27:05,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:05" (1/1) ... [2024-12-05 22:27:05,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:27:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:27:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:27:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:27:05,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:05,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:05,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:05,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:27:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:27:06,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:06,446 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 22:27:06,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:27:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:27:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:27:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:27:06,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:06,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:06,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:06,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cde61be-d95f-4081-9567-97799299fb44/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:27:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:07,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 22:27:07,763 INFO L279 TraceCheckSpWp]: Computing forward predicates...